Пример #1
0
def import_z88_disp(filename, analysis=None, result_name_prefix=None):
    '''insert a FreeCAD FEM mechanical result object in the ActiveDocument
    '''
    import importToolsFem
    import ObjectsFem
    if result_name_prefix is None:
        result_name_prefix = ''
    m = read_z88_disp(filename)
    if(len(m['Nodes']) > 0):
        if analysis is None:
            analysis_name = os.path.splitext(os.path.basename(filename))[0]
            analysis_object = ObjectsFem.makeAnalysis('Analysis')
            analysis_object.Label = analysis_name
        else:
            analysis_object = analysis  # see if statement few lines later, if not analysis -> no FemMesh object is created !

        for result_set in m['Results']:
            results_name = result_name_prefix + 'results'
            results = ObjectsFem.makeResultMechanical(results_name)
            for m in analysis_object.Member:  # TODO analysis could have multiple mesh objects in the future
                if m.isDerivedFrom("Fem::FemMeshObject"):
                    results.Mesh = m
                    break
            results = importToolsFem.fill_femresult_mechanical(results, result_set, 0)
            analysis_object.Member = analysis_object.Member + [results]

        if(FreeCAD.GuiUp):
            import FemGui
            FemGui.setActiveAnalysis(analysis_object)
Пример #2
0
def importVTK(filename, analysis=None, result_name_prefix=None):
    import ObjectsFem
    if result_name_prefix is None:
        result_name_prefix = ''
    if analysis is None:
        analysis_name = os.path.splitext(os.path.basename(filename))[0]
        analysis_object = ObjectsFem.makeAnalysis('Analysis')
        analysis_object.Label = analysis_name
    else:
        analysis_object = analysis

    # if properties can be added in FemVTKTools importCfdResult(), this file can be used for CFD workbench
    results_name = result_name_prefix + 'results'
    result_obj = ObjectsFem.makeResultMechanical(results_name)
    # result_obj = FreeCAD.ActiveDocument.addObject('Fem::FemResultObject', results_name)
    Fem.readResult(
        filename, result_obj.Name
    )  # readResult always creates a new femmesh named ResultMesh

    # workaround for the DisplacementLengths (They should have been calculated by Fem.readResult)
    if not result_obj.DisplacementLengths:
        result_obj.DisplacementLengths = calculate_disp_abs(
            result_obj.DisplacementVectors)

    analysis_object.Member = analysis_object.Member + [result_obj]
    # FIXME move the ResultMesh in the analysis
    ''' seams not used at the moment
Пример #3
0
def importVTK(filename, analysis=None, result_name_prefix=None):
    import ObjectsFem
    if result_name_prefix is None:
        result_name_prefix = ''
    if analysis is None:
        analysis_name = os.path.splitext(os.path.basename(filename))[0]
        analysis_object = ObjectsFem.makeAnalysis('Analysis')
        analysis_object.Label = analysis_name
    else:
        analysis_object = analysis

    # if properties can be added in FemVTKTools importCfdResult(), this file can be used for CFD workbench
    results_name = result_name_prefix + 'results'
    result_obj = ObjectsFem.makeResultMechanical(results_name)
    # result_obj = FreeCAD.ActiveDocument.addObject('Fem::FemResultObject', results_name)
    Fem.readResult(filename, result_obj.Name)  # readResult always creates a new femmesh named ResultMesh

    # workaround for the DisplacementLengths (They should have been calculated by Fem.readResult)
    if not result_obj.DisplacementLengths:
        import importToolsFem
        result_obj.DisplacementLengths = importToolsFem.calculate_disp_abs(result_obj.DisplacementVectors)

    analysis_object.Member = analysis_object.Member + [result_obj]
    # FIXME move the ResultMesh in the analysis

    ''' seams not used at the moment
Пример #4
0
    def test_femobjects_make(self):
        doc = self.active_doc
        analysis = ObjectsFem.makeAnalysis(doc)

        analysis.addObject(ObjectsFem.makeConstraintBearing(doc))
        analysis.addObject(ObjectsFem.makeConstraintBodyHeatSource(doc))
        analysis.addObject(ObjectsFem.makeConstraintContact(doc))
        analysis.addObject(ObjectsFem.makeConstraintDisplacement(doc))
        analysis.addObject(
            ObjectsFem.makeConstraintElectrostaticPotential(doc))
        analysis.addObject(ObjectsFem.makeConstraintFixed(doc))
        analysis.addObject(ObjectsFem.makeConstraintFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintFluidBoundary(doc))
        analysis.addObject(ObjectsFem.makeConstraintForce(doc))
        analysis.addObject(ObjectsFem.makeConstraintGear(doc))
        analysis.addObject(ObjectsFem.makeConstraintHeatflux(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintPlaneRotation(doc))
        analysis.addObject(ObjectsFem.makeConstraintPressure(doc))
        analysis.addObject(ObjectsFem.makeConstraintPulley(doc))
        analysis.addObject(ObjectsFem.makeConstraintSelfWeight(doc))
        analysis.addObject(ObjectsFem.makeConstraintTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintTransform(doc))

        analysis.addObject(ObjectsFem.makeElementFluid1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry2D(doc))
        analysis.addObject(ObjectsFem.makeElementRotation1D(doc))

        analysis.addObject(ObjectsFem.makeMaterialFluid(doc))
        mat = analysis.addObject(ObjectsFem.makeMaterialSolid(doc))[0]
        analysis.addObject(ObjectsFem.makeMaterialMechanicalNonlinear(
            doc, mat))

        msh = analysis.addObject(ObjectsFem.makeMeshGmsh(doc))[0]
        analysis.addObject(ObjectsFem.makeMeshBoundaryLayer(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshGroup(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshRegion(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshNetgen(doc))
        analysis.addObject(ObjectsFem.makeMeshResult(doc))

        analysis.addObject(ObjectsFem.makeResultMechanical(doc))

        analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc))
        analysis.addObject(ObjectsFem.makeSolverCalculix(doc))
        sol = analysis.addObject(ObjectsFem.makeSolverElmer(doc))[0]
        analysis.addObject(ObjectsFem.makeSolverZ88(doc))

        analysis.addObject(ObjectsFem.makeEquationElasticity(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationElectrostatic(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFlow(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFluxsolver(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationHeat(doc, sol))
        # TODO the equations show up twice on Tree (on solver and on analysis), if they are added to the analysis group

        doc.recompute()
        self.assertEqual(len(analysis.Group),
                         testtools.get_defmake_count() -
                         1)  # because of the analysis itself count -1
Пример #5
0
    def test_femobjects_make(self):
        doc = self.active_doc
        analysis = ObjectsFem.makeAnalysis(doc)

        analysis.addObject(ObjectsFem.makeConstraintBearing(doc))
        analysis.addObject(ObjectsFem.makeConstraintBodyHeatSource(doc))
        analysis.addObject(ObjectsFem.makeConstraintContact(doc))
        analysis.addObject(ObjectsFem.makeConstraintDisplacement(doc))
        analysis.addObject(ObjectsFem.makeConstraintElectrostaticPotential(doc))
        analysis.addObject(ObjectsFem.makeConstraintFixed(doc))
        analysis.addObject(ObjectsFem.makeConstraintFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintFluidBoundary(doc))
        analysis.addObject(ObjectsFem.makeConstraintForce(doc))
        analysis.addObject(ObjectsFem.makeConstraintGear(doc))
        analysis.addObject(ObjectsFem.makeConstraintHeatflux(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintPlaneRotation(doc))
        analysis.addObject(ObjectsFem.makeConstraintPressure(doc))
        analysis.addObject(ObjectsFem.makeConstraintPulley(doc))
        analysis.addObject(ObjectsFem.makeConstraintSelfWeight(doc))
        analysis.addObject(ObjectsFem.makeConstraintTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintTransform(doc))

        analysis.addObject(ObjectsFem.makeElementFluid1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry2D(doc))
        analysis.addObject(ObjectsFem.makeElementRotation1D(doc))

        analysis.addObject(ObjectsFem.makeMaterialFluid(doc))
        mat = analysis.addObject(ObjectsFem.makeMaterialSolid(doc))[0]
        analysis.addObject(ObjectsFem.makeMaterialMechanicalNonlinear(doc, mat))

        msh = analysis.addObject(ObjectsFem.makeMeshGmsh(doc))[0]
        analysis.addObject(ObjectsFem.makeMeshBoundaryLayer(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshGroup(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshRegion(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshNetgen(doc))
        analysis.addObject(ObjectsFem.makeMeshResult(doc))

        analysis.addObject(ObjectsFem.makeResultMechanical(doc))

        analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc))
        analysis.addObject(ObjectsFem.makeSolverCalculix(doc))
        sol = analysis.addObject(ObjectsFem.makeSolverElmer(doc))[0]
        analysis.addObject(ObjectsFem.makeSolverZ88(doc))

        analysis.addObject(ObjectsFem.makeEquationElasticity(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationElectrostatic(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFlow(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFluxsolver(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationHeat(doc, sol))
        # is = 43 (just copy in empty file to test, or run unit test case, it is printed)
        # TODO if the equations and gmsh mesh childs are added to the analysis,
        # they show up twice on Tree (on solver resp. gemsh mesh obj and on analysis)
        # https://forum.freecadweb.org/viewtopic.php?t=25283

        doc.recompute()
        self.assertEqual(len(analysis.Group), testtools.get_defmake_count() - 1)  # because of the analysis itself count -1
Пример #6
0
    def test_femobjects_make(self):
        doc = self.active_doc
        analysis = ObjectsFem.makeAnalysis(doc)

        analysis.addObject(ObjectsFem.makeConstraintBearing(doc))
        analysis.addObject(ObjectsFem.makeConstraintBodyHeatSource(doc))
        analysis.addObject(ObjectsFem.makeConstraintContact(doc))
        analysis.addObject(ObjectsFem.makeConstraintDisplacement(doc))
        analysis.addObject(ObjectsFem.makeConstraintElectrostaticPotential(doc))
        analysis.addObject(ObjectsFem.makeConstraintFixed(doc))
        analysis.addObject(ObjectsFem.makeConstraintFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintFluidBoundary(doc))
        analysis.addObject(ObjectsFem.makeConstraintForce(doc))
        analysis.addObject(ObjectsFem.makeConstraintGear(doc))
        analysis.addObject(ObjectsFem.makeConstraintHeatflux(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintPlaneRotation(doc))
        analysis.addObject(ObjectsFem.makeConstraintPressure(doc))
        analysis.addObject(ObjectsFem.makeConstraintPulley(doc))
        analysis.addObject(ObjectsFem.makeConstraintSelfWeight(doc))
        analysis.addObject(ObjectsFem.makeConstraintTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintTransform(doc))

        analysis.addObject(ObjectsFem.makeElementFluid1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry2D(doc))
        analysis.addObject(ObjectsFem.makeElementRotation1D(doc))

        analysis.addObject(ObjectsFem.makeMaterialFluid(doc))
        mat = analysis.addObject(ObjectsFem.makeMaterialSolid(doc))[0]
        analysis.addObject(ObjectsFem.makeMaterialMechanicalNonlinear(doc, mat))

        msh = analysis.addObject(ObjectsFem.makeMeshGmsh(doc))[0]
        analysis.addObject(ObjectsFem.makeMeshBoundaryLayer(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshGroup(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshRegion(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshNetgen(doc))
        analysis.addObject(ObjectsFem.makeMeshResult(doc))

        analysis.addObject(ObjectsFem.makeResultMechanical(doc))

        analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc))
        analysis.addObject(ObjectsFem.makeSolverCalculix(doc))
        sol = analysis.addObject(ObjectsFem.makeSolverElmer(doc))[0]
        analysis.addObject(ObjectsFem.makeSolverZ88(doc))

        analysis.addObject(ObjectsFem.makeEquationElasticity(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationElectrostatic(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFlow(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFluxsolver(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationHeat(doc, sol))
        # is = 43 (just copy in empty file to test, or run unit test case, it is printed)
        # TODO if the equations and gmsh mesh childs are added to the analysis,
        # they show up twice on Tree (on solver resp. gemsh mesh obj and on analysis)
        # https://forum.freecadweb.org/viewtopic.php?t=25283

        doc.recompute()
        self.assertEqual(len(analysis.Group), testtools.get_defmake_count() - 1)  # because of the analysis itself count -1
Пример #7
0
def importFrd(filename, analysis=None, result_name_prefix=None):
    import importToolsFem
    import ObjectsFem
    if result_name_prefix is None:
        result_name_prefix = ''
    m = readResult(filename)
    mesh_object = None
    if(len(m['Nodes']) > 0):
        if analysis is None:
            analysis_name = os.path.splitext(os.path.basename(filename))[0]
            analysis_object = ObjectsFem.makeAnalysis('Analysis')
            analysis_object.Label = analysis_name
        else:
            analysis_object = analysis  # see if statement few lines later, if not analysis -> no FemMesh object is created !

        if 'Nodes' in m:
            positions = []
            for k, v in m['Nodes'].items():
                positions.append(v)
            p_x_max, p_y_max, p_z_max = map(max, zip(*positions))
            p_x_min, p_y_min, p_z_min = map(min, zip(*positions))

            x_span = abs(p_x_max - p_x_min)
            y_span = abs(p_y_max - p_y_min)
            z_span = abs(p_z_max - p_z_min)
            span = max(x_span, y_span, z_span)

        if (not analysis):
            mesh = importToolsFem.make_femmesh(m)

            if len(m['Nodes']) > 0:
                mesh_object = FreeCAD.ActiveDocument.addObject('Fem::FemMeshObject', 'ResultMesh')
                mesh_object.FemMesh = mesh
                analysis_object.Member = analysis_object.Member + [mesh_object]

        number_of_increments = len(m['Results'])
        for result_set in m['Results']:
            eigenmode_number = result_set['number']
            step_time = result_set['time']
            step_time = round(step_time, 2)
            if eigenmode_number > 0:
                results_name = result_name_prefix + 'mode_' + str(eigenmode_number) + '_results'
            elif number_of_increments > 1:
                results_name = result_name_prefix + 'time_' + str(step_time) + '_results'
            else:
                results_name = result_name_prefix + 'results'

            results = ObjectsFem.makeResultMechanical(results_name)
            for m in analysis_object.Member:  # TODO analysis could have multiple mesh objects in the future
                if m.isDerivedFrom("Fem::FemMeshObject"):
                    results.Mesh = m
                    break
            results = importToolsFem.fill_femresult_mechanical(results, result_set, span)
            analysis_object.Member = analysis_object.Member + [results]

        if(FreeCAD.GuiUp):
            import FemGui
            FemGui.setActiveAnalysis(analysis_object)
Пример #8
0
    def test_femobjects_make(self):
        doc = self.active_doc
        analysis = ObjectsFem.makeAnalysis(doc)

        analysis.addObject(ObjectsFem.makeConstraintBearing(doc))
        analysis.addObject(ObjectsFem.makeConstraintBodyHeatSource(doc))
        analysis.addObject(ObjectsFem.makeConstraintContact(doc))
        analysis.addObject(ObjectsFem.makeConstraintDisplacement(doc))
        analysis.addObject(ObjectsFem.makeConstraintElectrostaticPotential(doc))
        analysis.addObject(ObjectsFem.makeConstraintFixed(doc))
        analysis.addObject(ObjectsFem.makeConstraintFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintFluidBoundary(doc))
        analysis.addObject(ObjectsFem.makeConstraintForce(doc))
        analysis.addObject(ObjectsFem.makeConstraintGear(doc))
        analysis.addObject(ObjectsFem.makeConstraintHeatflux(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintPlaneRotation(doc))
        analysis.addObject(ObjectsFem.makeConstraintPressure(doc))
        analysis.addObject(ObjectsFem.makeConstraintPulley(doc))
        analysis.addObject(ObjectsFem.makeConstraintSelfWeight(doc))
        analysis.addObject(ObjectsFem.makeConstraintTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintTransform(doc))

        analysis.addObject(ObjectsFem.makeElementFluid1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry2D(doc))
        analysis.addObject(ObjectsFem.makeElementRotation1D(doc))

        analysis.addObject(ObjectsFem.makeMaterialFluid(doc))
        mat = analysis.addObject(ObjectsFem.makeMaterialSolid(doc))[0]
        analysis.addObject(ObjectsFem.makeMaterialMechanicalNonlinear(doc, mat))

        msh = analysis.addObject(ObjectsFem.makeMeshGmsh(doc))[0]
        analysis.addObject(ObjectsFem.makeMeshBoundaryLayer(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshGroup(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshRegion(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshNetgen(doc))
        analysis.addObject(ObjectsFem.makeMeshResult(doc))

        analysis.addObject(ObjectsFem.makeResultMechanical(doc))

        analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc))
        analysis.addObject(ObjectsFem.makeSolverCalculix(doc))
        sol = analysis.addObject(ObjectsFem.makeSolverElmer(doc))[0]
        analysis.addObject(ObjectsFem.makeSolverZ88(doc))

        analysis.addObject(ObjectsFem.makeEquationElasticity(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationElectrostatic(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFlow(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFluxsolver(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationHeat(doc, sol))
        # TODO the equations show up twice on Tree (on solver and on analysis), if they are added to the analysis group

        doc.recompute()
        self.assertEqual(len(analysis.Group), testtools.get_defmake_count() - 1)  # because of the analysis itself count -1
Пример #9
0
def setup_base(doc=None, solvertype="ccxtools"):
    # setup box base model

    if doc is None:
        doc = init_doc()

    # geometry object
    geom_obj = doc.addObject("Part::Box", "Box")
    geom_obj.Height = geom_obj.Width = geom_obj.Length = 10
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # material
    material_object = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial"))[0]
    mat = material_object.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "200000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7900 kg/m^3"
    if solvertype == "elmer":
        # set ThermalExpansionCoefficient
        # FIXME elmer elasticity needs the dictionary key "ThermalExpansionCoefficient"
        mat["ThermalExpansionCoefficient"] = "0.012 mm/m/K"
    material_object.Material = mat

    # mesh
    from .meshes.mesh_boxanalysis_tetra10 import create_nodes, create_elements

    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc,
                                                             mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False
    femmesh_obj.CharacteristicLengthMin = "8.0 mm"

    doc.recompute()
    return doc
Пример #10
0
    def test_femobjects_isoftype(self):
        doc = self.active_doc

        from femtools.femutils import is_of_type
        self.assertTrue(is_of_type(ObjectsFem.makeAnalysis(doc), 'Fem::FemAnalysis'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintBearing(doc), 'Fem::ConstraintBearing'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintBodyHeatSource(doc), 'Fem::ConstraintBodyHeatSource'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintContact(doc), 'Fem::ConstraintContact'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintDisplacement(doc), 'Fem::ConstraintDisplacement'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintElectrostaticPotential(doc), 'Fem::ConstraintElectrostaticPotential'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintFixed(doc), 'Fem::ConstraintFixed'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintFlowVelocity(doc), 'Fem::ConstraintFlowVelocity'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintFluidBoundary(doc), 'Fem::ConstraintFluidBoundary'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintForce(doc), 'Fem::ConstraintForce'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintGear(doc), 'Fem::ConstraintGear'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintHeatflux(doc), 'Fem::ConstraintHeatflux'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintInitialFlowVelocity(doc), 'Fem::ConstraintInitialFlowVelocity'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintInitialTemperature(doc), 'Fem::ConstraintInitialTemperature'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintPlaneRotation(doc), 'Fem::ConstraintPlaneRotation'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintPressure(doc), 'Fem::ConstraintPressure'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintPulley(doc), 'Fem::ConstraintPulley'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintSelfWeight(doc), 'Fem::ConstraintSelfWeight'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintTemperature(doc), 'Fem::ConstraintTemperature'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintTransform(doc), 'Fem::ConstraintTransform'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementFluid1D(doc), 'Fem::FemElementFluid1D'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementGeometry1D(doc), 'Fem::FemElementGeometry1D'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementGeometry2D(doc), 'Fem::FemElementGeometry2D'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementRotation1D(doc), 'Fem::FemElementRotation1D'))
        materialsolid = ObjectsFem.makeMaterialSolid(doc)
        self.assertTrue(is_of_type(ObjectsFem.makeMaterialFluid(doc), 'Fem::Material'))
        self.assertTrue(is_of_type(materialsolid, 'Fem::Material'))
        self.assertTrue(is_of_type(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid), 'Fem::MaterialMechanicalNonlinear'))
        mesh = ObjectsFem.makeMeshGmsh(doc)
        self.assertTrue(is_of_type(mesh, 'Fem::FemMeshGmsh'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshBoundaryLayer(doc, mesh), 'Fem::FemMeshBoundaryLayer'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshGroup(doc, mesh), 'Fem::FemMeshGroup'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshRegion(doc, mesh), 'Fem::FemMeshRegion'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshNetgen(doc), 'Fem::FemMeshShapeNetgenObject'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshResult(doc), 'Fem::FemMeshResult'))
        self.assertTrue(is_of_type(ObjectsFem.makeResultMechanical(doc), 'Fem::FemResultMechanical'))
        solverelmer = ObjectsFem.makeSolverElmer(doc)
        self.assertTrue(is_of_type(ObjectsFem.makeSolverCalculixCcxTools(doc), 'Fem::FemSolverCalculixCcxTools'))
        self.assertTrue(is_of_type(ObjectsFem.makeSolverCalculix(doc), 'Fem::FemSolverObjectCalculix'))
        self.assertTrue(is_of_type(solverelmer, 'Fem::FemSolverObjectElmer'))
        self.assertTrue(is_of_type(ObjectsFem.makeSolverZ88(doc), 'Fem::FemSolverObjectZ88'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationElasticity(doc, solverelmer), 'Fem::FemEquationElmerElasticity'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationElectrostatic(doc, solverelmer), 'Fem::FemEquationElmerElectrostatic'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationFlow(doc, solverelmer), 'Fem::FemEquationElmerFlow'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationFluxsolver(doc, solverelmer), 'Fem::FemEquationElmerFluxsolver'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationHeat(doc, solverelmer), 'Fem::FemEquationElmerHeat'))
Пример #11
0
    def test_femobjects_derivedfromstd(self):
        # only the last True type is used
        doc = self.active_doc

        self.assertTrue(ObjectsFem.makeAnalysis(doc).isDerivedFrom('Fem::FemAnalysis'))
        self.assertTrue(ObjectsFem.makeConstraintBearing(doc).isDerivedFrom('Fem::ConstraintBearing'))
        self.assertTrue(ObjectsFem.makeConstraintBodyHeatSource(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintContact(doc).isDerivedFrom('Fem::ConstraintContact'))
        self.assertTrue(ObjectsFem.makeConstraintDisplacement(doc).isDerivedFrom('Fem::ConstraintDisplacement'))
        self.assertTrue(ObjectsFem.makeConstraintElectrostaticPotential(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintFixed(doc).isDerivedFrom('Fem::ConstraintFixed'))
        self.assertTrue(ObjectsFem.makeConstraintFlowVelocity(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintFluidBoundary(doc).isDerivedFrom('Fem::ConstraintFluidBoundary'))
        self.assertTrue(ObjectsFem.makeConstraintForce(doc).isDerivedFrom('Fem::ConstraintForce'))
        self.assertTrue(ObjectsFem.makeConstraintGear(doc).isDerivedFrom('Fem::ConstraintGear'))
        self.assertTrue(ObjectsFem.makeConstraintHeatflux(doc).isDerivedFrom('Fem::ConstraintHeatflux'))
        self.assertTrue(ObjectsFem.makeConstraintInitialFlowVelocity(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintInitialTemperature(doc).isDerivedFrom('Fem::ConstraintInitialTemperature'))
        self.assertTrue(ObjectsFem.makeConstraintPlaneRotation(doc).isDerivedFrom('Fem::ConstraintPlaneRotation'))
        self.assertTrue(ObjectsFem.makeConstraintPressure(doc).isDerivedFrom('Fem::ConstraintPressure'))
        self.assertTrue(ObjectsFem.makeConstraintPulley(doc).isDerivedFrom('Fem::ConstraintPulley'))
        self.assertTrue(ObjectsFem.makeConstraintSelfWeight(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintTemperature(doc).isDerivedFrom('Fem::ConstraintTemperature'))
        self.assertTrue(ObjectsFem.makeConstraintTransform(doc).isDerivedFrom('Fem::ConstraintTransform'))
        self.assertTrue(ObjectsFem.makeElementFluid1D(doc).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeElementGeometry1D(doc).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeElementGeometry2D(doc).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeElementRotation1D(doc).isDerivedFrom('Fem::FeaturePython'))
        materialsolid = ObjectsFem.makeMaterialSolid(doc)
        self.assertTrue(ObjectsFem.makeMaterialFluid(doc).isDerivedFrom('App::MaterialObjectPython'))
        self.assertTrue(materialsolid.isDerivedFrom('App::MaterialObjectPython'))
        self.assertTrue(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid).isDerivedFrom('Fem::FeaturePython'))
        mesh = ObjectsFem.makeMeshGmsh(doc)
        self.assertTrue(mesh.isDerivedFrom('Fem::FemMeshObjectPython'))
        self.assertTrue(ObjectsFem.makeMeshBoundaryLayer(doc, mesh).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeMeshGroup(doc, mesh).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeMeshRegion(doc, mesh).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeMeshNetgen(doc).isDerivedFrom('Fem::FemMeshShapeNetgenObject'))
        self.assertTrue(ObjectsFem.makeMeshResult(doc).isDerivedFrom('Fem::FemMeshObjectPython'))
        self.assertTrue(ObjectsFem.makeResultMechanical(doc).isDerivedFrom('Fem::FemResultObjectPython'))
        solverelmer = ObjectsFem.makeSolverElmer(doc)
        self.assertTrue(ObjectsFem.makeSolverCalculixCcxTools(doc).isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(ObjectsFem.makeSolverCalculix(doc).isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(solverelmer.isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(ObjectsFem.makeSolverZ88(doc).isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(ObjectsFem.makeEquationElasticity(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationElectrostatic(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationFlow(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationFluxsolver(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationHeat(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
Пример #12
0
    def test_femobjects_derivedfromstd(self):
        # only the last True type is used
        doc = self.active_doc

        self.assertTrue(ObjectsFem.makeAnalysis(doc).isDerivedFrom('Fem::FemAnalysis'))
        self.assertTrue(ObjectsFem.makeConstraintBearing(doc).isDerivedFrom('Fem::ConstraintBearing'))
        self.assertTrue(ObjectsFem.makeConstraintBodyHeatSource(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintContact(doc).isDerivedFrom('Fem::ConstraintContact'))
        self.assertTrue(ObjectsFem.makeConstraintDisplacement(doc).isDerivedFrom('Fem::ConstraintDisplacement'))
        self.assertTrue(ObjectsFem.makeConstraintElectrostaticPotential(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintFixed(doc).isDerivedFrom('Fem::ConstraintFixed'))
        self.assertTrue(ObjectsFem.makeConstraintFlowVelocity(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintFluidBoundary(doc).isDerivedFrom('Fem::ConstraintFluidBoundary'))
        self.assertTrue(ObjectsFem.makeConstraintForce(doc).isDerivedFrom('Fem::ConstraintForce'))
        self.assertTrue(ObjectsFem.makeConstraintGear(doc).isDerivedFrom('Fem::ConstraintGear'))
        self.assertTrue(ObjectsFem.makeConstraintHeatflux(doc).isDerivedFrom('Fem::ConstraintHeatflux'))
        self.assertTrue(ObjectsFem.makeConstraintInitialFlowVelocity(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintInitialTemperature(doc).isDerivedFrom('Fem::ConstraintInitialTemperature'))
        self.assertTrue(ObjectsFem.makeConstraintPlaneRotation(doc).isDerivedFrom('Fem::ConstraintPlaneRotation'))
        self.assertTrue(ObjectsFem.makeConstraintPressure(doc).isDerivedFrom('Fem::ConstraintPressure'))
        self.assertTrue(ObjectsFem.makeConstraintPulley(doc).isDerivedFrom('Fem::ConstraintPulley'))
        self.assertTrue(ObjectsFem.makeConstraintSelfWeight(doc).isDerivedFrom('Fem::ConstraintPython'))
        self.assertTrue(ObjectsFem.makeConstraintTemperature(doc).isDerivedFrom('Fem::ConstraintTemperature'))
        self.assertTrue(ObjectsFem.makeConstraintTransform(doc).isDerivedFrom('Fem::ConstraintTransform'))
        self.assertTrue(ObjectsFem.makeElementFluid1D(doc).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeElementGeometry1D(doc).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeElementGeometry2D(doc).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeElementRotation1D(doc).isDerivedFrom('Fem::FeaturePython'))
        materialsolid = ObjectsFem.makeMaterialSolid(doc)
        self.assertTrue(ObjectsFem.makeMaterialFluid(doc).isDerivedFrom('App::MaterialObjectPython'))
        self.assertTrue(materialsolid.isDerivedFrom('App::MaterialObjectPython'))
        self.assertTrue(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid).isDerivedFrom('Fem::FeaturePython'))
        mesh = ObjectsFem.makeMeshGmsh(doc)
        self.assertTrue(mesh.isDerivedFrom('Fem::FemMeshObjectPython'))
        self.assertTrue(ObjectsFem.makeMeshBoundaryLayer(doc, mesh).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeMeshGroup(doc, mesh).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeMeshRegion(doc, mesh).isDerivedFrom('Fem::FeaturePython'))
        self.assertTrue(ObjectsFem.makeMeshNetgen(doc).isDerivedFrom('Fem::FemMeshShapeNetgenObject'))
        self.assertTrue(ObjectsFem.makeMeshResult(doc).isDerivedFrom('Fem::FemMeshObjectPython'))
        self.assertTrue(ObjectsFem.makeResultMechanical(doc).isDerivedFrom('Fem::FemResultObjectPython'))
        solverelmer = ObjectsFem.makeSolverElmer(doc)
        self.assertTrue(ObjectsFem.makeSolverCalculixCcxTools(doc).isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(ObjectsFem.makeSolverCalculix(doc).isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(solverelmer.isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(ObjectsFem.makeSolverZ88(doc).isDerivedFrom('Fem::FemSolverObjectPython'))
        self.assertTrue(ObjectsFem.makeEquationElasticity(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationElectrostatic(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationFlow(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationFluxsolver(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
        self.assertTrue(ObjectsFem.makeEquationHeat(doc, solverelmer).isDerivedFrom('App::FeaturePython'))
Пример #13
0
    def test_femobjects_isoftype(self):
        doc = self.active_doc

        from femtools.femutils import is_of_type
        self.assertTrue(is_of_type(ObjectsFem.makeAnalysis(doc), 'Fem::FemAnalysis'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintBearing(doc), 'Fem::ConstraintBearing'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintBodyHeatSource(doc), 'Fem::ConstraintBodyHeatSource'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintContact(doc), 'Fem::ConstraintContact'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintDisplacement(doc), 'Fem::ConstraintDisplacement'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintElectrostaticPotential(doc), 'Fem::ConstraintElectrostaticPotential'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintFixed(doc), 'Fem::ConstraintFixed'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintFlowVelocity(doc), 'Fem::ConstraintFlowVelocity'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintFluidBoundary(doc), 'Fem::ConstraintFluidBoundary'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintForce(doc), 'Fem::ConstraintForce'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintGear(doc), 'Fem::ConstraintGear'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintHeatflux(doc), 'Fem::ConstraintHeatflux'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintInitialFlowVelocity(doc), 'Fem::ConstraintInitialFlowVelocity'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintInitialTemperature(doc), 'Fem::ConstraintInitialTemperature'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintPlaneRotation(doc), 'Fem::ConstraintPlaneRotation'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintPressure(doc), 'Fem::ConstraintPressure'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintPulley(doc), 'Fem::ConstraintPulley'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintSelfWeight(doc), 'Fem::ConstraintSelfWeight'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintTemperature(doc), 'Fem::ConstraintTemperature'))
        self.assertTrue(is_of_type(ObjectsFem.makeConstraintTransform(doc), 'Fem::ConstraintTransform'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementFluid1D(doc), 'Fem::FemElementFluid1D'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementGeometry1D(doc), 'Fem::FemElementGeometry1D'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementGeometry2D(doc), 'Fem::FemElementGeometry2D'))
        self.assertTrue(is_of_type(ObjectsFem.makeElementRotation1D(doc), 'Fem::FemElementRotation1D'))
        materialsolid = ObjectsFem.makeMaterialSolid(doc)
        self.assertTrue(is_of_type(ObjectsFem.makeMaterialFluid(doc), 'Fem::Material'))
        self.assertTrue(is_of_type(materialsolid, 'Fem::Material'))
        self.assertTrue(is_of_type(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid), 'Fem::MaterialMechanicalNonlinear'))
        mesh = ObjectsFem.makeMeshGmsh(doc)
        self.assertTrue(is_of_type(mesh, 'Fem::FemMeshGmsh'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshBoundaryLayer(doc, mesh), 'Fem::FemMeshBoundaryLayer'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshGroup(doc, mesh), 'Fem::FemMeshGroup'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshRegion(doc, mesh), 'Fem::FemMeshRegion'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshNetgen(doc), 'Fem::FemMeshShapeNetgenObject'))
        self.assertTrue(is_of_type(ObjectsFem.makeMeshResult(doc), 'Fem::FemMeshResult'))
        self.assertTrue(is_of_type(ObjectsFem.makeResultMechanical(doc), 'Fem::FemResultMechanical'))
        solverelmer = ObjectsFem.makeSolverElmer(doc)
        self.assertTrue(is_of_type(ObjectsFem.makeSolverCalculixCcxTools(doc), 'Fem::FemSolverCalculixCcxTools'))
        self.assertTrue(is_of_type(ObjectsFem.makeSolverCalculix(doc), 'Fem::FemSolverObjectCalculix'))
        self.assertTrue(is_of_type(solverelmer, 'Fem::FemSolverObjectElmer'))
        self.assertTrue(is_of_type(ObjectsFem.makeSolverZ88(doc), 'Fem::FemSolverObjectZ88'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationElasticity(doc, solverelmer), 'Fem::FemEquationElmerElasticity'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationElectrostatic(doc, solverelmer), 'Fem::FemEquationElmerElectrostatic'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationFlow(doc, solverelmer), 'Fem::FemEquationElmerFlow'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationFluxsolver(doc, solverelmer), 'Fem::FemEquationElmerFluxsolver'))
        self.assertTrue(is_of_type(ObjectsFem.makeEquationHeat(doc, solverelmer), 'Fem::FemEquationElmerHeat'))
Пример #14
0
def setup_base(doc=None, solvertype="ccxtools"):
    # setup box base model

    if doc is None:
        doc = init_doc()

    # geometry object
    geom_obj = doc.addObject("Part::Box", "Box")
    geom_obj.Length = 1000
    geom_obj.Width = 200
    geom_obj.Height = 100
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # material
    material_object = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial")
    )[0]
    mat = material_object.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "100 GPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "2330 kg/m^3"
    material_object.Material = mat

    # mesh
    from .meshes.mesh_eigenvalue_of_elastic_beam_tetra10 import create_nodes
    from .meshes.mesh_eigenvalue_of_elastic_beam_tetra10 import create_elements

    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc, mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False
    femmesh_obj.CharacteristicLengthMax = "40.80 mm"

    doc.recompute()
    return doc
Пример #15
0
def setup_boxanalysisbase(doc=None, solvertype="ccxtools"):

    # init FreeCAD document
    if doc is None:
        doc = init_doc()

    # geometric objects
    # object name is important in this base setup method
    # all module which use this base setup, use the object name to find the object
    geom_obj = doc.addObject("Part::Box", "Box")
    geom_obj.Height = geom_obj.Width = geom_obj.Length = 10
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # material
    material_obj = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial")
    mat = material_obj.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "200000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7900 kg/m^3"
    material_obj.Material = mat
    analysis.addObject(material_obj)

    # mesh
    from .meshes.mesh_boxanalysis_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False
    femmesh_obj.CharacteristicLengthMin = "8.0 mm"

    doc.recompute()
    return doc
Пример #16
0
def setup_base(doc=None, solvertype="ccxtools"):
    # setup box base model

    if doc is None:
        doc = init_doc()

    # part
    box_obj = doc.addObject("Part::Box", "Box")
    box_obj.Height = box_obj.Width = box_obj.Length = 10
    doc.recompute()

    if FreeCAD.GuiUp:
        import FreeCADGui
        FreeCADGui.ActiveDocument.activeView().viewAxonometric()
        FreeCADGui.SendMsgToActiveView("ViewFit")

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # material
    material_object = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial")
    )[0]
    mat = material_object.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "200000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7900 kg/m^3"
    material_object.Material = mat

    # mesh
    from .meshes.mesh_boxanalysis_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        doc.addObject("Fem::FemMeshObject", mesh_name)
    )[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #17
0
 def myaddCompound(obj, count):
     # count == 0 World Volume
     print("Add Compound " + obj.Label)
     volList = []
     matList = []
     addToList(volList, matList, obj)
     if count == 0:
         del volList[0]
         del matList[0]
     # DO not delete World Material as it may be repeat
     print('vol List')
     print(volList)
     print('Material List')
     print(matList)
     doc = FreeCAD.activeDocument()
     analysis_object = ObjectsFem.makeAnalysis(doc, "Analysis")
     materials = FreeCAD.ActiveDocument.Materials
     for m in matList:
         allocateMaterial(doc, analysis_object, materials, m)
     comp = obj.newObject("Part::Compound", "Compound")
     comp.Links = volList
     FreeCAD.ActiveDocument.recompute()
Пример #18
0
    def test_5_Flow1D_thermomech_analysis(self):
        fcc_print('--------------- Start of 1D Flow FEM tests ---------------')
        import Draft
        p1 = FreeCAD.Vector(0, 0, 50)
        p2 = FreeCAD.Vector(0, 0, -50)
        p3 = FreeCAD.Vector(0, 0, -4300)
        p4 = FreeCAD.Vector(4950, 0, -4300)
        p5 = FreeCAD.Vector(5000, 0, -4300)
        p6 = FreeCAD.Vector(8535.53, 0, -7835.53)
        p7 = FreeCAD.Vector(8569.88, 0, -7870.88)
        p8 = FreeCAD.Vector(12105.41, 0, -11406.41)
        p9 = FreeCAD.Vector(12140.76, 0, -11441.76)
        p10 = FreeCAD.Vector(13908.53, 0, -13209.53)
        p11 = FreeCAD.Vector(13943.88, 0, -13244.88)
        p12 = FreeCAD.Vector(15046.97, 0, -14347.97)
        p13 = FreeCAD.Vector(15046.97, 0, -7947.97)
        p14 = FreeCAD.Vector(15046.97, 0, -7847.97)
        p15 = FreeCAD.Vector(0, 0, 0)
        p16 = FreeCAD.Vector(0, 0, -2175)
        p17 = FreeCAD.Vector(2475, 0, -4300)
        p18 = FreeCAD.Vector(4975, 0, -4300)
        p19 = FreeCAD.Vector(6767.765, 0, -6067.765)
        p20 = FreeCAD.Vector(8552.705, 0, -7853.205)
        p21 = FreeCAD.Vector(10337.645, 0, -9638.645)
        p22 = FreeCAD.Vector(12123.085, 0, -11424.085)
        p23 = FreeCAD.Vector(13024.645, 0, -12325.645)
        p24 = FreeCAD.Vector(13926.205, 0, -13227.205)
        p25 = FreeCAD.Vector(14495.425, 0, -13796.425)
        p26 = FreeCAD.Vector(15046.97, 0, -11147.97)
        p27 = FreeCAD.Vector(15046.97, 0, -7897.97)
        points = [p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17, p18, p19, p20, p21, p22, p23, p24, p25, p26, p27]
        line = Draft.makeWire(points, closed=False, face=False, support=None)
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'thermomech'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = True
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsThermoMechMaximum = 2000
        solver_object.IterationsControlParameterTimeUse = False
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialFluid(self.active_doc, 'FluidMaterial')
        mat = material_object.Material
        mat['Name'] = "Water"
        mat['Density'] = "998 kg/m^3"
        mat['SpecificHeat'] = "4.182 J/kg/K"
        mat['DynamicViscosity'] = "1.003e-3 kg/m/s"
        mat['VolumetricThermalExpansionCoefficient'] = "2.07e-4 m/m/K"
        mat['ThermalConductivity'] = "0.591 W/m/K"
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM Flow1D inlet constraint...')
        Flow1d_inlet = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_inlet.SectionType = 'Liquid'
        Flow1d_inlet.LiquidSectionType = 'PIPE INLET'
        Flow1d_inlet.InletPressure = 0.1
        Flow1d_inlet.References = [(line, "Edge1")]
        self.assertTrue(Flow1d_inlet, "FemTest of new Flow1D inlet constraint failed")
        analysis.addObject(Flow1d_inlet)

        fcc_print('Checking FEM new Flow1D entrance constraint...')
        Flow1d_entrance = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_entrance.SectionType = 'Liquid'
        Flow1d_entrance.LiquidSectionType = 'PIPE ENTRANCE'
        Flow1d_entrance.EntrancePipeArea = 31416.00
        Flow1d_entrance.EntranceArea = 25133.00
        Flow1d_entrance.References = [(line, "Edge2")]
        self.assertTrue(Flow1d_entrance, "FemTest of new Flow1D entrance constraint failed")
        analysis.addObject(Flow1d_entrance)

        fcc_print('Checking FEM new Flow1D manning constraint...')
        Flow1d_manning = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_manning.SectionType = 'Liquid'
        Flow1d_manning.LiquidSectionType = 'PIPE MANNING'
        Flow1d_manning.ManningArea = 31416
        Flow1d_manning.ManningRadius = 50
        Flow1d_manning.ManningCoefficient = 0.002
        Flow1d_manning.References = [(line, "Edge3"), (line, "Edge5")]
        self.assertTrue(Flow1d_manning, "FemTest of new Flow1D manning constraint failed")
        analysis.addObject(Flow1d_manning)

        fcc_print('Checking FEM new Flow1D bend constraint...')
        Flow1d_bend = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_bend.SectionType = 'Liquid'
        Flow1d_bend.LiquidSectionType = 'PIPE BEND'
        Flow1d_bend.BendPipeArea = 31416
        Flow1d_bend.BendRadiusDiameter = 1.5
        Flow1d_bend.BendAngle = 45
        Flow1d_bend.BendLossCoefficient = 0.4
        Flow1d_bend.References = [(line, "Edge4")]
        self.assertTrue(Flow1d_bend, "FemTest of new Flow1D bend constraint failed")
        analysis.addObject(Flow1d_bend)

        fcc_print('Checking FEM new Flow1D enlargement constraint...')
        Flow1d_enlargement = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_enlargement.SectionType = 'Liquid'
        Flow1d_enlargement.LiquidSectionType = 'PIPE ENLARGEMENT'
        Flow1d_enlargement.EnlargeArea1 = 31416.00
        Flow1d_enlargement.EnlargeArea2 = 70686.00
        Flow1d_enlargement.References = [(line, "Edge6")]
        self.assertTrue(Flow1d_enlargement, "FemTest of new Flow1D enlargement constraint failed")
        analysis.addObject(Flow1d_enlargement)

        fcc_print('Checking FEM new Flow1D manning constraint...')
        Flow1d_manning1 = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_manning1.SectionType = 'Liquid'
        Flow1d_manning1.LiquidSectionType = 'PIPE MANNING'
        Flow1d_manning1.ManningArea = 70686.00
        Flow1d_manning1.ManningRadius = 75
        Flow1d_manning1.ManningCoefficient = 0.002
        Flow1d_manning1.References = [(line, "Edge7")]
        self.assertTrue(Flow1d_manning1, "FemTest of new Flow1D manning constraint failed")
        analysis.addObject(Flow1d_manning1)

        fcc_print('Checking FEM new Flow1D contraction constraint...')
        Flow1d_contraction = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_contraction.SectionType = 'Liquid'
        Flow1d_contraction.LiquidSectionType = 'PIPE CONTRACTION'
        Flow1d_contraction.ContractArea1 = 70686
        Flow1d_contraction.ContractArea2 = 17671
        Flow1d_contraction.References = [(line, "Edge8")]
        self.assertTrue(Flow1d_contraction, "FemTest of new Flow1D contraction constraint failed")
        analysis.addObject(Flow1d_contraction)

        fcc_print('Checking FEM new Flow1D manning constraint...')
        Flow1d_manning2 = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_manning2.SectionType = 'Liquid'
        Flow1d_manning2.LiquidSectionType = 'PIPE MANNING'
        Flow1d_manning2.ManningArea = 17671.00
        Flow1d_manning2.ManningRadius = 37.5
        Flow1d_manning2.ManningCoefficient = 0.002
        Flow1d_manning2.References = [(line, "Edge11"), (line, "Edge9")]
        self.assertTrue(Flow1d_manning2, "FemTest of new Flow1D manning constraint failed")
        analysis.addObject(Flow1d_manning2)

        fcc_print('Checking FEM new Flow1D gate valve constraint...')
        Flow1d_gate_valve = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_gate_valve.SectionType = 'Liquid'
        Flow1d_gate_valve.LiquidSectionType = 'PIPE GATE VALVE'
        Flow1d_gate_valve.GateValvePipeArea = 17671
        Flow1d_gate_valve.GateValveClosingCoeff = 0.5
        Flow1d_gate_valve.References = [(line, "Edge10")]
        self.assertTrue(Flow1d_gate_valve, "FemTest of new Flow1D gate valve constraint failed")
        analysis.addObject(Flow1d_gate_valve)

        fcc_print('Checking FEM new Flow1D enlargement constraint...')
        Flow1d_enlargement1 = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_enlargement1.SectionType = 'Liquid'
        Flow1d_enlargement1.LiquidSectionType = 'PIPE ENLARGEMENT'
        Flow1d_enlargement1.EnlargeArea1 = 17671
        Flow1d_enlargement1.EnlargeArea2 = 1e12
        Flow1d_enlargement1.References = [(line, "Edge12")]
        self.assertTrue(Flow1d_enlargement1, "FemTest of new Flow1D enlargement constraint failed")
        analysis.addObject(Flow1d_enlargement1)

        fcc_print('Checking FEM Flow1D outlet constraint...')
        Flow1d_outlet = ObjectsFem.makeElementFluid1D(self.active_doc, "ElementFluid1D")
        Flow1d_outlet.SectionType = 'Liquid'
        Flow1d_outlet.LiquidSectionType = 'PIPE OUTLET'
        Flow1d_outlet.OutletPressure = 0.1
        Flow1d_outlet.References = [(line, "Edge13")]
        self.assertTrue(Flow1d_outlet, "FemTest of new Flow1D inlet constraint failed")
        analysis.addObject(Flow1d_outlet)

        fcc_print('Checking FEM self weight constraint...')
        Flow1d_self_weight = ObjectsFem.makeConstraintSelfWeight(self.active_doc, "ConstraintSelfWeight")
        Flow1d_self_weight.Gravity_x = 0.0
        Flow1d_self_weight.Gravity_y = 0.0
        Flow1d_self_weight.Gravity_z = -1.0
        self.assertTrue(Flow1d_outlet, "FemTest of new Flow1D self weight constraint failed")
        analysis.addObject(Flow1d_self_weight)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.Flow1D_mesh import create_nodes_Flow1D
        from .testfiles.ccx.Flow1D_mesh import create_elements_Flow1D
        mesh = Fem.FemMesh()
        ret = create_nodes_Flow1D(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_Flow1D(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        Flow1D_thermomech_analysis_dir = self.temp_dir + 'FEM_ccx_Flow1D_thermomech/'
        fea = ccxtools.FemToolsCcx(analysis, test_mode=True)

        fcc_print('Setting up working directory {}'.format(Flow1D_thermomech_analysis_dir))
        fea.setup_working_dir(Flow1D_thermomech_analysis_dir)
        self.assertTrue(True if fea.working_dir == Flow1D_thermomech_analysis_dir else False,
                        "Setting working directory {} failed".format(Flow1D_thermomech_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for thermo-mechanical analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "ccxtools check_prerequisites returned error message: {}".format(error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for thermomech analysis'.format(Flow1D_thermomech_analysis_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        Flow1D_thermomech_base_name = 'Flow1D_thermomech'
        Flow1D_thermomech_analysis_inp_file = self.test_file_dir + Flow1D_thermomech_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(Flow1D_thermomech_analysis_inp_file, Flow1D_thermomech_analysis_dir, self.mesh_name))
        ret = testtools.compare_inp_files(Flow1D_thermomech_analysis_inp_file, Flow1D_thermomech_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(True if fea.working_dir == self.test_file_dir else False,
                        "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format('Flow1D_thermomech'))
        fea.set_base_name(Flow1D_thermomech_base_name)
        self.assertTrue(True if fea.base_name == Flow1D_thermomech_base_name else False,
                        "Setting base name to {} failed".format(Flow1D_thermomech_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format('Flow1D_thermomech'))
        fea.set_inp_file_name()
        self.assertTrue(True if fea.inp_file_name == Flow1D_thermomech_analysis_inp_file else False,
                        "Setting inp file name to {} failed".format(Flow1D_thermomech_analysis_inp_file))

        fcc_print('Checking FEM frd file read from Flow1D thermomech analysis...')
        fea.load_results()
        self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for Flow1D thermomech analysis...')
        Flow1D_thermomech_expected_values = self.test_file_dir + "Flow1D_thermomech_expected_values"
        stat_types = ["U1", "U2", "U3", "Uabs", "Sabs", "MaxPrin", "MidPrin", "MinPrin", "MaxShear", "Peeq", "Temp", "MFlow", "NPress"]
        ret = testtools.compare_stats(fea, Flow1D_thermomech_expected_values, stat_types, 'CalculiX_thermomech_time_1_0_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        Flow1D_thermomech_save_fc_file = Flow1D_thermomech_analysis_dir + Flow1D_thermomech_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for thermomech analysis to {}...'.format(Flow1D_thermomech_save_fc_file))
        self.active_doc.saveAs(Flow1D_thermomech_save_fc_file)

        fcc_print('--------------- End of FEM tests FLow 1D thermomech analysis ---------------')
Пример #19
0
    def test_1_static_analysis(self):
        fcc_print('--------------- Start of FEM tests ---------------')
        box = self.active_doc.addObject("Part::Box", "Box")
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.EigenmodesCount = 10
        solver_object.EigenmodeHighLimit = 1000000.0
        solver_object.EigenmodeLowLimit = 0.0
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterial')
        mat = material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM new fixed constraint...')
        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "FemConstraintFixed")
        fixed_constraint.References = [(box, "Face1")]
        self.assertTrue(fixed_constraint, "FemTest of new fixed constraint failed")
        analysis.addObject(fixed_constraint)

        fcc_print('Checking FEM new force constraint...')
        force_constraint = self.active_doc.addObject("Fem::ConstraintForce", "FemConstraintForce")
        force_constraint.References = [(box, "Face6")]
        force_constraint.Force = 40000.0
        force_constraint.Direction = (box, ["Edge5"])
        self.active_doc.recompute()
        force_constraint.Reversed = True
        self.active_doc.recompute()
        self.assertTrue(force_constraint, "FemTest of new force constraint failed")
        analysis.addObject(force_constraint)

        fcc_print('Checking FEM new pressure constraint...')
        pressure_constraint = self.active_doc.addObject("Fem::ConstraintPressure", "FemConstraintPressure")
        pressure_constraint.References = [(box, "Face2")]
        pressure_constraint.Pressure = 1000.0
        pressure_constraint.Reversed = False
        self.assertTrue(pressure_constraint, "FemTest of new pressure constraint failed")
        analysis.addObject(pressure_constraint)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.cube_mesh import create_nodes_cube
        from .testfiles.ccx.cube_mesh import create_elements_cube
        mesh = Fem.FemMesh()
        ret = create_nodes_cube(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_cube(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        static_analysis_dir = testtools.get_unit_test_tmp_dir(self.temp_dir, 'FEM_ccx_static/')
        fea = ccxtools.FemToolsCcx(analysis, solver_object, test_mode=True)

        fcc_print('Setting up working directory {}'.format(static_analysis_dir))
        fea.setup_working_dir(static_analysis_dir)
        self.assertTrue(True if fea.working_dir == static_analysis_dir else False,
                        "Setting working directory {} failed".format(static_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for static analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "ccxtools check_prerequisites returned error message: {}".format(error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for static analysis'.format(static_analysis_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        static_base_name = 'cube_static'
        static_analysis_inp_file = self.test_file_dir + static_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file, static_analysis_dir, self.mesh_name))
        ret = testtools.compare_inp_files(static_analysis_inp_file, static_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(True if fea.working_dir == self.test_file_dir else False,
                        "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format('cube_static'))
        fea.set_base_name(static_base_name)
        self.assertTrue(True if fea.base_name == static_base_name else False,
                        "Setting base name to {} failed".format(static_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format('cube_static'))
        fea.set_inp_file_name()
        self.assertTrue(True if fea.inp_file_name == static_analysis_inp_file else False,
                        "Setting inp file name to {} failed".format(static_analysis_inp_file))

        fcc_print('Checking FEM frd file read from static analysis...')
        fea.load_results()
        self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for static analysis...')
        static_expected_values = self.test_file_dir + "cube_static_expected_values"
        ret = testtools.compare_stats(fea, static_expected_values, 'CalculiX_static_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        static_save_fc_file = static_analysis_dir + static_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for static analysis to {}...'.format(static_save_fc_file))
        self.active_doc.saveAs(static_save_fc_file)
        fcc_print('--------------- End of FEM tests static and analysis ---------------')
Пример #20
0
    def test_4_thermomech_analysis(self):
        fcc_print('--------------- Start of FEM tests ---------------')
        box = self.active_doc.addObject("Part::Box", "Box")
        box.Height = 25.4
        box.Width = 25.4
        box.Length = 203.2
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'thermomech'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = True
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsThermoMechMaximum = 2000
        solver_object.IterationsControlParameterTimeUse = True
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterial')
        mat = material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        mat['ThermalConductivity'] = "43.27 W/m/K"  # SvdW: Change to Ansys model values
        mat['ThermalExpansionCoefficient'] = "12 um/m/K"
        mat['SpecificHeat'] = "500 J/kg/K"  # SvdW: Change to Ansys model values
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM new fixed constraint...')
        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "FemConstraintFixed")
        fixed_constraint.References = [(box, "Face1")]
        self.assertTrue(fixed_constraint, "FemTest of new fixed constraint failed")
        analysis.addObject(fixed_constraint)

        fcc_print('Checking FEM new initial temperature constraint...')
        initialtemperature_constraint = self.active_doc.addObject("Fem::ConstraintInitialTemperature", "FemConstraintInitialTemperature")
        initialtemperature_constraint.initialTemperature = 300.0
        self.assertTrue(initialtemperature_constraint, "FemTest of new initial temperature constraint failed")
        analysis.addObject(initialtemperature_constraint)

        fcc_print('Checking FEM new temperature constraint...')
        temperature_constraint = self.active_doc.addObject("Fem::ConstraintTemperature", "FemConstraintTemperature")
        temperature_constraint.References = [(box, "Face1")]
        temperature_constraint.Temperature = 310.93
        self.assertTrue(temperature_constraint, "FemTest of new temperature constraint failed")
        analysis.addObject(temperature_constraint)

        fcc_print('Checking FEM new heatflux constraint...')
        heatflux_constraint = self.active_doc.addObject("Fem::ConstraintHeatflux", "FemConstraintHeatflux")
        heatflux_constraint.References = [(box, "Face3"), (box, "Face4"), (box, "Face5"), (box, "Face6")]
        heatflux_constraint.AmbientTemp = 255.3722
        heatflux_constraint.FilmCoef = 5.678
        self.assertTrue(heatflux_constraint, "FemTest of new heatflux constraint failed")
        analysis.addObject(heatflux_constraint)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.spine_mesh import create_nodes_spine
        from .testfiles.ccx.spine_mesh import create_elements_spine
        mesh = Fem.FemMesh()
        ret = create_nodes_spine(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_spine(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        thermomech_analysis_dir = self.temp_dir + 'FEM_ccx_thermomech/'
        fea = ccxtools.FemToolsCcx(analysis, test_mode=True)

        fcc_print('Setting up working directory {}'.format(thermomech_analysis_dir))
        fea.setup_working_dir(thermomech_analysis_dir)
        self.assertTrue(True if fea.working_dir == thermomech_analysis_dir else False,
                        "Setting working directory {} failed".format(thermomech_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for thermo-mechanical analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "ccxtools check_prerequisites returned error message: {}".format(error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for thermomech analysis'.format(thermomech_analysis_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        thermomech_base_name = 'spine_thermomech'
        thermomech_analysis_inp_file = self.test_file_dir + thermomech_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(thermomech_analysis_inp_file, thermomech_analysis_dir, self.mesh_name))
        ret = testtools.compare_inp_files(thermomech_analysis_inp_file, thermomech_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(True if fea.working_dir == self.test_file_dir else False,
                        "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format('spine_thermomech'))
        fea.set_base_name(thermomech_base_name)
        self.assertTrue(True if fea.base_name == thermomech_base_name else False,
                        "Setting base name to {} failed".format(thermomech_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format('spine_thermomech'))
        fea.set_inp_file_name()
        self.assertTrue(True if fea.inp_file_name == thermomech_analysis_inp_file else False,
                        "Setting inp file name to {} failed".format(thermomech_analysis_inp_file))

        fcc_print('Checking FEM frd file read from thermomech analysis...')
        fea.load_results()
        self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for thermomech analysis...')
        thermomech_expected_values = self.test_file_dir + "spine_thermomech_expected_values"
        ret = testtools.compare_stats(fea, thermomech_expected_values, 'CalculiX_thermomech_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        thermomech_save_fc_file = thermomech_analysis_dir + thermomech_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for thermomech analysis to {}...'.format(thermomech_save_fc_file))
        self.active_doc.saveAs(thermomech_save_fc_file)

        fcc_print('--------------- End of FEM tests thermomech analysis ---------------')
Пример #21
0
    def test_2_static_multiple_material(self):
        fcc_print('--------------- Start of FEM ccxtools multiple material test ---------------')

        # create a CompSolid of two Boxes extract the CompSolid (we are able to remesh if needed)
        boxlow = self.active_doc.addObject("Part::Box", "BoxLower")
        boxupp = self.active_doc.addObject("Part::Box", "BoxUpper")
        boxupp.Placement.Base = (0, 0, 10)

        # for BooleanFragments Occt >=6.9 is needed
        '''
        import BOPTools.SplitFeatures
        bf = BOPTools.SplitFeatures.makeBooleanFragments(name='BooleanFragments')
        bf.Objects = [boxlow, boxupp]
        bf.Mode = "CompSolid"
        self.active_doc.recompute()
        bf.Proxy.execute(bf)
        bf.purgeTouched()
        for obj in bf.ViewObject.Proxy.claimChildren():
            obj.ViewObject.hide()
        self.active_doc.recompute()
        import CompoundTools.CompoundFilter
        cf = CompoundTools.CompoundFilter.makeCompoundFilter(name='MultiMatCompSolid')
        cf.Base = bf
        cf.FilterType = 'window-volume'
        cf.Proxy.execute(cf)
        cf.purgeTouched()
        cf.Base.ViewObject.hide()
        '''
        self.active_doc.recompute()
        if FreeCAD.GuiUp:
            import FreeCADGui
            FreeCADGui.ActiveDocument.activeView().viewAxonometric()
            FreeCADGui.SendMsgToActiveView("ViewFit")

        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(self.active_doc, 'CalculiXccxTools')
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        analysis.addObject(solver_object)

        material_object_low = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterialLow')
        mat = material_object_low.Material
        mat['Name'] = "Aluminium-Generic"
        mat['YoungsModulus'] = "70000 MPa"
        mat['PoissonRatio'] = "0.35"
        mat['Density'] = "2700  kg/m^3"
        material_object_low.Material = mat
        material_object_low.References = [(boxlow, 'Solid1')]
        analysis.addObject(material_object_low)

        material_object_upp = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterialUpp')
        mat = material_object_upp.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7980 kg/m^3"
        material_object_upp.Material = mat
        material_object_upp.References = [(boxupp, 'Solid1')]
        analysis.addObject(material_object_upp)

        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "ConstraintFixed")
        # fixed_constraint.References = [(cf, "Face3")]
        fixed_constraint.References = [(boxlow, "Face5")]
        analysis.addObject(fixed_constraint)

        pressure_constraint = self.active_doc.addObject("Fem::ConstraintPressure", "ConstraintPressure")
        # pressure_constraint.References = [(cf, "Face9")]
        pressure_constraint.References = [(boxupp, "Face6")]
        pressure_constraint.Pressure = 1000.0
        pressure_constraint.Reversed = False
        analysis.addObject(pressure_constraint)

        mesh = Fem.FemMesh()
        import femtest.testfiles.ccx.multimat_mesh as multimatmesh
        multimatmesh.create_nodes(mesh)
        multimatmesh.create_elements(mesh)
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        analysis.addObject(mesh_object)

        self.active_doc.recompute()
        static_multiplemat_dir = testtools.get_unit_test_tmp_dir(self.temp_dir, 'FEM_ccx_multimat/')
        fea = ccxtools.FemToolsCcx(analysis, solver_object, test_mode=True)
        fea.setup_working_dir(static_multiplemat_dir)

        fcc_print('Checking FEM inp file prerequisites for ccxtools multimat analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "ccxtools check_prerequisites returned error message: {}".format(error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for static multiple material'.format(static_multiplemat_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")
        static_base_name = 'multimat'
        static_analysis_inp_file = self.test_file_dir + static_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file, static_multiplemat_dir, self.mesh_name))
        ret = testtools.compare_inp_files(static_analysis_inp_file, static_multiplemat_dir + self.mesh_name + '.inp')
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        static_save_fc_file = static_multiplemat_dir + static_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for static analysis to {}...'.format(static_save_fc_file))
        self.active_doc.saveAs(static_save_fc_file)
        fcc_print('--------------- End of FEM ccxtools multiple material test ---------------')
Пример #22
0
 def create_new_analysis(self):
     self.analysis = ObjectsFem.makeAnalysis('Analysis')
     self.active_doc.recompute()
def setup(doc=None, solvertype="ccxtools"):

    # init FreeCAD document
    if doc is None:
        doc = init_doc()

    # explanation object
    # just keep the following line and change text string in get_explanation method
    manager.add_explanation_obj(
        doc, get_explanation(manager.get_header(get_information())))

    # geometric object
    # name is important because the other method in this module use obj name
    l1 = Part.makeLine((-142.5, -142.5, 0), (142.5, -142.5, 0))
    l2 = Part.makeLine((142.5, -142.5, 0), (142.5, 142.5, 0))
    l3 = Part.makeLine((142.5, 142.5, 0), (-142.5, 142.5, 0))
    l4 = Part.makeLine((-142.5, 142.5, 0), (-142.5, -142.5, 0))
    wire = Part.Wire([l1, l2, l3, l4])
    shape = wire.extrude(Vector(0, 0, 1000))
    geom_obj = doc.addObject('Part::Feature', 'SquareTube')
    geom_obj.Shape = shape
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_obj = ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
    elif solvertype == "ccxtools":
        solver_obj = ObjectsFem.makeSolverCalculixCcxTools(
            doc, "CalculiXccxTools")
        solver_obj.WorkingDir = u""
    else:
        FreeCAD.Console.PrintWarning(
            "Not known or not supported solver type: {}. "
            "No solver object was created.\n".format(solvertype))
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_obj.SplitInputWriter = False
        solver_obj.AnalysisType = "static"
        solver_obj.GeometricalNonlinearity = "linear"
        solver_obj.ThermoMechSteadyState = False
        solver_obj.MatrixSolverType = "default"
        solver_obj.IterationsControlParameterTimeUse = False
    analysis.addObject(solver_obj)

    # shell thickness
    thickness_obj = ObjectsFem.makeElementGeometry2D(doc, 15.0,
                                                     "ShellThickness")
    analysis.addObject(thickness_obj)

    # material
    material_obj = ObjectsFem.makeMaterialSolid(doc, "FemMaterial")
    mat = material_obj.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "200000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7900 kg/m^3"
    material_obj.Material = mat
    analysis.addObject(material_obj)

    # constraint fixed
    con_fixed = ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed")
    con_fixed.References = [(doc.SquareTube, "Edge4"),
                            (doc.SquareTube, "Edge7"),
                            (doc.SquareTube, "Edge10"),
                            (doc.SquareTube, "Edge12")]
    analysis.addObject(con_fixed)

    # con_force1
    con_force1 = ObjectsFem.makeConstraintForce(doc, name="ConstraintForce1")
    con_force1.References = [(geom_obj, "Edge9")]
    con_force1.Force = 100000.00
    con_force1.Direction = (geom_obj, ["Edge9"])
    con_force1.Reversed = True
    analysis.addObject(con_force1)

    # con_force2
    con_force2 = ObjectsFem.makeConstraintForce(doc, name="ConstraintForce2")
    con_force2.References = [(geom_obj, "Edge3")]
    con_force2.Force = 100000.00
    con_force2.Direction = (geom_obj, ["Edge3"])
    con_force2.Reversed = True
    analysis.addObject(con_force2)

    # con_force3
    con_force3 = ObjectsFem.makeConstraintForce(doc, name="ConstraintForce3")
    con_force3.References = [(geom_obj, "Edge11")]
    con_force3.Force = 100000.00
    con_force3.Direction = (geom_obj, ["Edge11"])
    con_force3.Reversed = True
    analysis.addObject(con_force3)

    # con_force4
    con_force4 = ObjectsFem.makeConstraintForce(doc, name="ConstraintForce4")
    con_force4.References = [(geom_obj, "Edge6")]
    con_force4.Force = 100000.00
    con_force4.Direction = (geom_obj, ["Edge6"])
    con_force4.Reversed = True
    analysis.addObject(con_force4)

    # mesh
    from .meshes.mesh_square_pipe_end_twisted_tria6 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False

    doc.recompute()
    return doc
def setup(doc=None, solvertype="ccxtools"):
    # setup model

    if doc is None:
        doc = init_doc()

    # parts
    # TODO turn circle of upper tube to have the line on the other side
    # make a boolean fragment of them to be sure there is a mesh point on remesh
    # but as long as we do not remesh it works without the boolean fragment too
    # tubes
    tube_radius = 25
    tube_length = 500
    sh_lower_circle = Part.Wire(Part.makeCircle(tube_radius))
    sh_lower_tube = sh_lower_circle.extrude(FreeCAD.Vector(0, 0, tube_length))
    sh_lower_tube.reverse()
    lower_tube = doc.addObject("Part::Feature", "Lower_tube")
    lower_tube.Shape = sh_lower_tube

    sh_upper_circle = Part.Wire(Part.makeCircle(tube_radius))
    sh_upper_tube = sh_upper_circle.extrude(FreeCAD.Vector(0, 0, tube_length))
    sh_upper_tube.reverse()
    upper_tube = doc.addObject("Part::Feature", "Upper_tube")
    upper_tube.Shape = sh_upper_tube
    upper_tube.Placement = FreeCAD.Placement(
        FreeCAD.Vector(-25, 51, 475),
        FreeCAD.Rotation(90, 0, 90),
        FreeCAD.Vector(0, 0, 0),
    )

    # point for load
    v_force_pt = FreeCAD.Vector(0, 76, 475)
    sh_force_point = Part.Vertex(v_force_pt)
    force_point = doc.addObject("Part::Feature", "Load_place_point")
    force_point.Shape = sh_force_point
    if FreeCAD.GuiUp:
        force_point.ViewObject.PointSize = 10.0
        force_point.ViewObject.PointColor = (1.0, 0.0, 0.0)

    BooleanFrag = BOPTools.SplitFeatures.makeBooleanFragments(
        name='BooleanFragments')
    BooleanFrag.Objects = [upper_tube, force_point]
    if FreeCAD.GuiUp:
        upper_tube.ViewObject.hide()

    compound = doc.addObject("Part::Compound", "Compound")
    compound.Links = [BooleanFrag, lower_tube]

    # line for load direction
    sh_load_line = Part.makeLine(v_force_pt, FreeCAD.Vector(0, 150, 475))
    load_line = doc.addObject("Part::Feature", "Load_direction_line")
    load_line.Shape = sh_load_line
    if FreeCAD.GuiUp:
        load_line.ViewObject.LineWidth = 5.0
        load_line.ViewObject.LineColor = (1.0, 0.0, 0.0)

    doc.recompute()

    if FreeCAD.GuiUp:
        import FreeCADGui
        FreeCADGui.ActiveDocument.activeView().viewAxonometric()
        FreeCADGui.SendMsgToActiveView("ViewFit")

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
    elif solvertype == "ccxtools":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
        solver_object.WorkingDir = u""
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_object.AnalysisType = "static"
        solver_object.BeamShellResultOutput3D = True
        solver_object.GeometricalNonlinearity = "linear"  # really?
        # TODO iterations parameter !!!
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.SplitInputWriter = False

    # shell thickness
    analysis.addObject(
        ObjectsFem.makeElementGeometry2D(doc, 0.5, 'ShellThickness'))

    # material
    material_obj = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial"))[0]
    mat = material_obj.Material
    mat["Name"] = "AlCuMgPb"
    mat["YoungsModulus"] = "72000 MPa"
    mat["PoissonRatio"] = "0.30"
    material_obj.Material = mat
    analysis.addObject(material_obj)

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed"))[0]
    fixed_constraint.References = [
        (lower_tube, "Edge2"),
        (upper_tube, "Edge3"),
    ]

    # force_constraint
    force_constraint = doc.Analysis.addObject(
        ObjectsFem.makeConstraintForce(doc, name="ConstraintForce"))[0]
    # TODO use point of tube boolean fragment
    force_constraint.References = [(force_point, "Vertex1")]
    force_constraint.Force = 5000.0
    force_constraint.Direction = (load_line, ["Edge1"])
    force_constraint.Reversed = True

    # contact constraint
    contact_constraint = doc.Analysis.addObject(
        ObjectsFem.makeConstraintContact(doc, name="ConstraintContact"))[0]
    contact_constraint.References = [
        (lower_tube, "Face1"),
        (upper_tube, "Face1"),
    ]
    contact_constraint.Friction = 0.0
    # contact_constrsh_aint.Slope = "1000000.0 kg/(mm*s^2)"  # contact stiffness
    contact_constraint.Slope = 1000000.0  # should be 1000000.0 kg/(mm*s^2)

    # mesh
    from .meshes.mesh_contact_tube_tube_tria3 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        doc.addObject("Fem::FemMeshObject", mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
def setup(doc=None, solvertype="ccxtools"):

    if doc is None:
        doc = init_doc()

    # geometry object
    # name is important because the other method in this module use obj name
    # parts
    face_obj1 = doc.addObject('Part::Plane', 'Face1')
    face_obj1.Width = 10
    face_obj1.Length = 20
    face_obj2 = doc.addObject('Part::Plane', 'Face2')
    face_obj2.Width = 10
    face_obj2.Length = 20
    face_obj2.Placement.Base = (20, 0, 0)
    face_obj3 = doc.addObject('Part::Plane', 'Face3')
    face_obj3.Width = 10
    face_obj3.Length = 20
    face_obj3.Placement.Base = (40, 0, 0)
    face_obj4 = doc.addObject('Part::Plane', 'Face4')
    face_obj4.Width = 10
    face_obj4.Length = 20
    face_obj4.Placement.Base = (60, 0, 0)
    face_obj5 = doc.addObject('Part::Plane', 'Face5')
    face_obj5.Width = 10
    face_obj5.Length = 20
    face_obj5.Placement.Base = (80, 0, 0)
    doc.recompute()

    # make a Shell out of the facees, to be able to remesh with GUI
    geom_obj = doc.addObject("Part::MultiFuse", "Fusion")
    geom_obj.Shapes = [face_obj1, face_obj2, face_obj3, face_obj4, face_obj5]
    if FreeCAD.GuiUp:
        face_obj1.ViewObject.hide()
        face_obj2.ViewObject.hide()
        face_obj3.ViewObject.hide()
        face_obj4.ViewObject.hide()
        face_obj5.ViewObject.hide()
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
    elif solvertype == "ccxtools":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
        solver_object.WorkingDir = u""
    else:
        FreeCAD.Console.PrintWarning(
            "Not known or not supported solver type: {}. "
            "No solver object was created.\n".format(solvertype))
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_object.SplitInputWriter = False
        solver_object.AnalysisType = "static"
        solver_object.GeometricalNonlinearity = "linear"
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False

    # shell thickness
    analysis.addObject(
        ObjectsFem.makeElementGeometry2D(doc, 10, 'ShellThickness'))

    # materials
    # material1
    material_object1 = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, 'FemMaterial1'))[0]
    material_object1.References = [(doc.Face3, "Face1")]
    mat = material_object1.Material
    mat['Name'] = "Concrete-Generic"
    mat['YoungsModulus'] = "32000 MPa"
    mat['PoissonRatio'] = "0.17"
    mat['Density'] = "0 kg/m^3"
    material_object1.Material = mat

    # material2
    material_object2 = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, 'FemMaterial2'))[0]
    material_object2.References = [(doc.Face2, "Face1"), (doc.Face4, "Face1")]
    mat = material_object2.Material
    mat['Name'] = "PLA"
    mat['YoungsModulus'] = "3640 MPa"
    mat['PoissonRatio'] = "0.36"
    mat['Density'] = "0 kg/m^3"
    material_object2.Material = mat

    # material3
    material_object3 = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, 'FemMaterial3'))[0]
    material_object3.References = []
    mat = material_object3.Material
    mat['Name'] = "Steel-Generic"
    mat['YoungsModulus'] = "200000 MPa"
    mat['PoissonRatio'] = "0.30"
    mat['Density'] = "7900 kg/m^3"
    material_object3.Material = mat

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
    fixed_constraint.References = [(doc.Face1, "Edge1"), (doc.Face5, "Edge3")]

    # force_constraint
    force_constraint = analysis.addObject(
        ObjectsFem.makeConstraintForce(doc, name="ConstraintForce"))[0]
    force_constraint.References = [(doc.Face1, "Edge4"), (doc.Face2, "Edge4"),
                                   (doc.Face3, "Edge4"), (doc.Face4, "Edge4"),
                                   (doc.Face5, "Edge4")]
    force_constraint.Force = 10000.00
    force_constraint.Direction = (doc.Face1, ["Edge1"])
    force_constraint.Reversed = True

    # mesh
    from .meshes.mesh_multibodybeam_tria6 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc,
                                                             mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False

    doc.recompute()
    return doc
Пример #26
0
def setup_cantileverbase(doc=None, solver="ccxtools"):
    # setup CalculiX cantilever base model

    if doc is None:
        doc = init_doc()

    # part
    box_obj = doc.addObject("Part::Box", "Box")
    box_obj.Height = box_obj.Width = 1000
    box_obj.Length = 8000

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    # TODO How to pass multiple solver for one analysis in one doc
    if solver == "calculix":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
        )[0]
        solver_object.AnalysisType = "static"
        solver_object.GeometricalNonlinearity = "linear"
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False
    elif solver == "ccxtools":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
        )[0]
        solver_object.AnalysisType = "static"
        solver_object.GeometricalNonlinearity = "linear"
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.WorkingDir = u""
    elif solver == "elmer":
        analysis.addObject(ObjectsFem.makeSolverElmer(doc, "SolverElmer"))
    elif solver == "z88":
        analysis.addObject(ObjectsFem.makeSolverZ88(doc, "SolverZ88"))

    # material
    material_object = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "FemMaterial")
    )[0]
    mat = material_object.Material
    mat["Name"] = "CalculiX-Steel"
    mat["YoungsModulus"] = "210000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7900 kg/m^3"
    mat["ThermalExpansionCoefficient"] = "0.012 mm/m/K"
    material_object.Material = mat

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed")
    )[0]
    fixed_constraint.References = [(doc.Box, "Face1")]

    # mesh
    from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        doc.addObject("Fem::FemMeshObject", mesh_name)
    )[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #27
0
def setup_cantileverbase(doc=None, solver='ccxtools'):
    # setup CalculiX cantilever base model

    if doc is None:
        doc = init_doc()

    # part
    box_obj = doc.addObject('Part::Box', 'Box')
    box_obj.Height = box_obj.Width = 1000
    box_obj.Length = 8000

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, 'Analysis')

    solver
    # TODO How to pass multiple solver for one analysis in one doc
    if solver is None:
        pass  # no solver is added
    elif solver is 'calculix':
        solver_object = analysis.addObject(ObjectsFem.makeSolverCalculix(doc, 'SolverCalculiX'))[0]
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
    elif solver is 'ccxtools':
        solver_object = analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc, 'CalculiXccxTools'))[0]
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.WorkingDir = u''
    elif solver is 'elmer':
        analysis.addObject(ObjectsFem.makeSolverElmer(doc, 'SolverElmer'))
    elif solver is 'z88':
        analysis.addObject(ObjectsFem.makeSolverZ88(doc, 'SolverZ88'))

    # material
    material_object = analysis.addObject(ObjectsFem.makeMaterialSolid(doc, 'FemMaterial'))[0]
    mat = material_object.Material
    mat['Name'] = "CalculiX-Steel"
    mat['YoungsModulus'] = "210000 MPa"
    mat['PoissonRatio'] = "0.30"
    mat['Density'] = "7900 kg/m^3"
    mat['ThermalExpansionCoefficient'] = "0.012 mm/m/K"
    material_object.Material = mat

    # fixed_constraint
    fixed_constraint = analysis.addObject(ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
    fixed_constraint.References = [(doc.Box, "Face1")]

    # mesh
    from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        print('ERROR on creating nodes')
    control = create_elements(fem_mesh)
    if not control:
        print('ERROR on creating elements')
    femmesh_obj = analysis.addObject(doc.addObject('Fem::FemMeshObject', mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #28
0
    def test_solver_framework(self):
        fcc_print('\n--------------- Start of FEM tests  solver frame work ---------------')
        box = self.active_doc.addObject("Part::Box", "Box")
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterial')
        mat = material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM new fixed constraint...')
        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "FemConstraintFixed")
        fixed_constraint.References = [(box, "Face1")]
        self.assertTrue(fixed_constraint, "FemTest of new fixed constraint failed")
        analysis.addObject(fixed_constraint)

        fcc_print('Checking FEM new force constraint...')
        force_constraint = self.active_doc.addObject("Fem::ConstraintForce", "FemConstraintForce")
        force_constraint.References = [(box, "Face6")]
        force_constraint.Force = 40000.0
        force_constraint.Direction = (box, ["Edge5"])
        self.active_doc.recompute()
        force_constraint.Reversed = True
        self.active_doc.recompute()
        self.assertTrue(force_constraint, "FemTest of new force constraint failed")
        analysis.addObject(force_constraint)

        fcc_print('Checking FEM new pressure constraint...')
        pressure_constraint = self.active_doc.addObject("Fem::ConstraintPressure", "FemConstraintPressure")
        pressure_constraint.References = [(box, "Face2")]
        pressure_constraint.Pressure = 1000.0
        pressure_constraint.Reversed = False
        self.assertTrue(pressure_constraint, "FemTest of new pressure constraint failed")
        analysis.addObject(pressure_constraint)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.cube_mesh import create_nodes_cube
        from .testfiles.ccx.cube_mesh import create_elements_cube
        mesh = Fem.FemMesh()
        ret = create_nodes_cube(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_cube(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        # solver frame work ccx solver
        fcc_print('\nChecking FEM CalculiX solver for solver frame work...')
        solver_ccx_object = ObjectsFem.makeSolverCalculix(self.active_doc, 'SolverCalculiX')
        solver_ccx_object.AnalysisType = 'static'
        solver_ccx_object.GeometricalNonlinearity = 'linear'
        solver_ccx_object.ThermoMechSteadyState = False
        solver_ccx_object.MatrixSolverType = 'default'
        solver_ccx_object.IterationsControlParameterTimeUse = False
        solver_ccx_object.EigenmodesCount = 10
        solver_ccx_object.EigenmodeHighLimit = 1000000.0
        solver_ccx_object.EigenmodeLowLimit = 0.0
        self.assertTrue(solver_ccx_object, "FemTest of new ccx solver failed")
        analysis.addObject(solver_ccx_object)

        static_base_name = 'cube_static'
        solverframework_analysis_dir = testtools.get_unit_test_tmp_dir(testtools.get_fem_test_tmp_dir(), 'FEM_solverframework/')
        fcc_print('Checking FEM Elmer solver for solver frame work......')
        fcc_print('machine_ccx')
        machine_ccx = solver_ccx_object.Proxy.createMachine(solver_ccx_object, solverframework_analysis_dir)
        fcc_print('Machine testmode: ' + str(machine_ccx.testmode))
        machine_ccx.target = femsolver.run.PREPARE
        machine_ccx.start()
        machine_ccx.join()  # wait for the machine to finish.
        static_analysis_inp_file = testtools.get_fem_test_home_dir() + 'ccx/' + static_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file, solverframework_analysis_dir, self.mesh_name))
        ret = testtools.compare_inp_files(static_analysis_inp_file, solverframework_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        # use solver frame work elmer solver
        solver_elmer_object = ObjectsFem.makeSolverElmer(self.active_doc, 'SolverElmer')
        self.assertTrue(solver_elmer_object, "FemTest of elmer solver failed")
        analysis.addObject(solver_elmer_object)
        solver_elmer_eqobj = ObjectsFem.makeEquationElasticity(self.active_doc, solver_elmer_object)
        self.assertTrue(solver_elmer_eqobj, "FemTest of elmer elasticity equation failed")

        # set ThermalExpansionCoefficient, current elmer seems to need it even on simple elasticity analysis
        mat = material_object.Material
        mat['ThermalExpansionCoefficient'] = "0 um/m/K"  # FIXME elmer elasticity needs the dictionary key, otherwise it fails
        material_object.Material = mat

        mesh_gmsh = ObjectsFem.makeMeshGmsh(self.active_doc)
        mesh_gmsh.CharacteristicLengthMin = "9 mm"
        mesh_gmsh.FemMesh = mesh_object.FemMesh  # elmer needs a GMHS mesh object, FIXME error message on Python solver run
        mesh_gmsh.Part = box
        analysis.addObject(mesh_gmsh)
        self.active_doc.removeObject(mesh_object.Name)

        # solver frame work Elmer solver
        fcc_print('\nChecking FEM Elmer solver for solver frame work...')
        machine_elmer = solver_elmer_object.Proxy.createMachine(solver_elmer_object, solverframework_analysis_dir, True)
        fcc_print('Machine testmode: ' + str(machine_elmer.testmode))
        machine_elmer.target = femsolver.run.PREPARE
        machine_elmer.start()
        machine_elmer.join()  # wait for the machine to finish.

        test_file_dir_elmer = testtools.get_fem_test_home_dir() + 'elmer/'
        fcc_print('Test writing STARTINFO file')
        fcc_print('Comparing {} to {}'.format(test_file_dir_elmer + 'ELMERSOLVER_STARTINFO', solverframework_analysis_dir + 'ELMERSOLVER_STARTINFO'))
        ret = testtools.compare_files(test_file_dir_elmer + 'ELMERSOLVER_STARTINFO', solverframework_analysis_dir + 'ELMERSOLVER_STARTINFO')
        self.assertFalse(ret, "STARTINFO write file test failed.\n{}".format(ret))

        fcc_print('Test writing case file')
        fcc_print('Comparing {} to {}'.format(test_file_dir_elmer + 'case.sif', solverframework_analysis_dir + 'case.sif'))
        ret = testtools.compare_files(test_file_dir_elmer + 'case.sif', solverframework_analysis_dir + 'case.sif')
        self.assertFalse(ret, "case write file test failed.\n{}".format(ret))

        fcc_print('Test writing GMSH geo file')
        fcc_print('Comparing {} to {}'.format(test_file_dir_elmer + 'group_mesh.geo', solverframework_analysis_dir + 'group_mesh.geo'))
        ret = testtools.compare_files(test_file_dir_elmer + 'group_mesh.geo', solverframework_analysis_dir + 'group_mesh.geo')
        self.assertFalse(ret, "GMSH geo write file test failed.\n{}".format(ret))

        save_fc_file = solverframework_analysis_dir + static_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for static2 analysis to {}...'.format(save_fc_file))
        self.active_doc.saveAs(save_fc_file)
        fcc_print('--------------- End of FEM tests solver frame work ---------------')
Пример #29
0
    def test_femobjects_make(self):
        doc = self.active_doc
        analysis = ObjectsFem.makeAnalysis(doc)

        analysis.addObject(ObjectsFem.makeConstraintBearing(doc))
        analysis.addObject(ObjectsFem.makeConstraintBodyHeatSource(doc))
        analysis.addObject(ObjectsFem.makeConstraintContact(doc))
        analysis.addObject(ObjectsFem.makeConstraintDisplacement(doc))
        analysis.addObject(
            ObjectsFem.makeConstraintElectrostaticPotential(doc))
        analysis.addObject(ObjectsFem.makeConstraintFixed(doc))
        analysis.addObject(ObjectsFem.makeConstraintFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintFluidBoundary(doc))
        analysis.addObject(ObjectsFem.makeConstraintForce(doc))
        analysis.addObject(ObjectsFem.makeConstraintGear(doc))
        analysis.addObject(ObjectsFem.makeConstraintHeatflux(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialFlowVelocity(doc))
        analysis.addObject(ObjectsFem.makeConstraintInitialTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintPlaneRotation(doc))
        analysis.addObject(ObjectsFem.makeConstraintPressure(doc))
        analysis.addObject(ObjectsFem.makeConstraintPulley(doc))
        analysis.addObject(ObjectsFem.makeConstraintSelfWeight(doc))
        analysis.addObject(ObjectsFem.makeConstraintTemperature(doc))
        analysis.addObject(ObjectsFem.makeConstraintTransform(doc))

        analysis.addObject(ObjectsFem.makeElementFluid1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry1D(doc))
        analysis.addObject(ObjectsFem.makeElementGeometry2D(doc))
        analysis.addObject(ObjectsFem.makeElementRotation1D(doc))

        analysis.addObject(ObjectsFem.makeMaterialFluid(doc))
        mat = analysis.addObject(ObjectsFem.makeMaterialSolid(doc))[0]
        analysis.addObject(ObjectsFem.makeMaterialMechanicalNonlinear(
            doc, mat))
        analysis.addObject(ObjectsFem.makeMaterialReinforced(doc))

        msh = analysis.addObject(ObjectsFem.makeMeshGmsh(doc))[0]
        analysis.addObject(ObjectsFem.makeMeshBoundaryLayer(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshGroup(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshRegion(doc, msh))
        analysis.addObject(ObjectsFem.makeMeshNetgen(doc))
        analysis.addObject(ObjectsFem.makeMeshResult(doc))

        res = analysis.addObject(ObjectsFem.makeResultMechanical(doc))[0]
        if "BUILD_FEM_VTK" in FreeCAD.__cmake__:
            vres = analysis.addObject(ObjectsFem.makePostVtkResult(doc,
                                                                   res))[0]
            analysis.addObject(
                ObjectsFem.makePostVtkFilterClipRegion(doc, vres))
            analysis.addObject(
                ObjectsFem.makePostVtkFilterClipScalar(doc, vres))
            analysis.addObject(
                ObjectsFem.makePostVtkFilterCutFunction(doc, vres))
            analysis.addObject(ObjectsFem.makePostVtkFilterWarp(doc, vres))

        analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc))
        analysis.addObject(ObjectsFem.makeSolverCalculix(doc))
        sol = analysis.addObject(ObjectsFem.makeSolverElmer(doc))[0]
        analysis.addObject(ObjectsFem.makeSolverZ88(doc))

        analysis.addObject(ObjectsFem.makeEquationElasticity(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationElectrostatic(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFlow(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationFluxsolver(doc, sol))
        analysis.addObject(ObjectsFem.makeEquationHeat(doc, sol))
        # is = 48 (just copy in empty file to test, or run unit test case, it is printed)
        # TODO if the equations and gmsh mesh childs are added to the analysis,
        # they show up twice on Tree (on solver resp. gemsh mesh obj and on analysis)
        # https://forum.freecadweb.org/viewtopic.php?t=25283

        doc.recompute()

        # if FEM VTK post processing is disabled, we are not able to create VTK post objects
        if "BUILD_FEM_VTK" in FreeCAD.__cmake__:
            fem_vtk_post = True
        else:
            fem_vtk_post = False
        # because of the analysis itself count -1
        self.assertEqual(len(analysis.Group),
                         testtools.get_defmake_count(fem_vtk_post) - 1)
Пример #30
0
def setup_cantileverbase(doc=None, solvertype="ccxtools"):
    # setup CalculiX cantilever base model

    if doc is None:
        doc = init_doc()

    # geometry object
    # name is important because the other method in this module use obj name
    geom_obj = doc.addObject("Part::Box", "Box")
    geom_obj.Height = geom_obj.Width = 1000
    geom_obj.Length = 8000
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
    elif solvertype == "ccxtools":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
        solver_object.WorkingDir = u""
    elif solvertype == "elmer":
        analysis.addObject(ObjectsFem.makeSolverElmer(doc, "SolverElmer"))
    elif solvertype == "z88":
        analysis.addObject(ObjectsFem.makeSolverZ88(doc, "SolverZ88"))
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_object.SplitInputWriter = False
        solver_object.AnalysisType = "static"
        solver_object.GeometricalNonlinearity = "linear"
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False

    # material
    material_object = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "FemMaterial"))[0]
    mat = material_object.Material
    mat["Name"] = "CalculiX-Steel"
    mat["YoungsModulus"] = "210000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7900 kg/m^3"
    mat["ThermalExpansionCoefficient"] = "0.012 mm/m/K"
    material_object.Material = mat

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
    fixed_constraint.References = [(geom_obj, "Face1")]

    # mesh
    from .meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        doc.addObject("Fem::FemMeshObject", mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #31
0
    def test_static_analysis(self):
        fcc_print('--------------- Start of FEM tests ---------------')
        box = self.active_doc.addObject("Part::Box", "Box")
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(
            self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.EigenmodesCount = 10
        solver_object.EigenmodeHighLimit = 1000000.0
        solver_object.EigenmodeLowLimit = 0.0
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialSolid(self.active_doc,
                                                       'MechanicalMaterial')
        mat = material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM new fixed constraint...')
        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed",
                                                     "FemConstraintFixed")
        fixed_constraint.References = [(box, "Face1")]
        self.assertTrue(fixed_constraint,
                        "FemTest of new fixed constraint failed")
        analysis.addObject(fixed_constraint)

        fcc_print('Checking FEM new force constraint...')
        force_constraint = self.active_doc.addObject("Fem::ConstraintForce",
                                                     "FemConstraintForce")
        force_constraint.References = [(box, "Face6")]
        force_constraint.Force = 40000.0
        force_constraint.Direction = (box, ["Edge5"])
        self.active_doc.recompute()
        force_constraint.Reversed = True
        self.active_doc.recompute()
        self.assertTrue(force_constraint,
                        "FemTest of new force constraint failed")
        analysis.addObject(force_constraint)

        fcc_print('Checking FEM new pressure constraint...')
        pressure_constraint = self.active_doc.addObject(
            "Fem::ConstraintPressure", "FemConstraintPressure")
        pressure_constraint.References = [(box, "Face2")]
        pressure_constraint.Pressure = 1000.0
        pressure_constraint.Reversed = False
        self.assertTrue(pressure_constraint,
                        "FemTest of new pressure constraint failed")
        analysis.addObject(pressure_constraint)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.cube_mesh import create_nodes_cube
        from .testfiles.ccx.cube_mesh import create_elements_cube
        mesh = Fem.FemMesh()
        ret = create_nodes_cube(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_cube(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject',
                                                self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        static_analysis_dir = testtools.get_unit_test_tmp_dir(
            self.temp_dir, 'FEM_ccx_static/')
        fea = ccxtools.FemToolsCcx(analysis, solver_object, test_mode=True)

        fcc_print(
            'Setting up working directory {}'.format(static_analysis_dir))
        fea.setup_working_dir(static_analysis_dir)
        self.assertTrue(
            True if fea.working_dir == static_analysis_dir else False,
            "Setting working directory {} failed".format(static_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for static analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(
            error,
            "ccxtools check_prerequisites returned error message: {}".format(
                error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for static analysis'.format(
            static_analysis_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        static_base_name = 'cube_static'
        static_analysis_inp_file = self.test_file_dir + static_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file,
                                                     static_analysis_dir,
                                                     self.mesh_name))
        ret = testtools.compare_inp_files(
            static_analysis_inp_file,
            static_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(
            ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print(
            'Setting up working directory to {} in order to read simulated calculations'
            .format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(
            True if fea.working_dir == self.test_file_dir else False,
            "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format(
            'cube_static'))
        fea.set_base_name(static_base_name)
        self.assertTrue(
            True if fea.base_name == static_base_name else False,
            "Setting base name to {} failed".format(static_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format(
            'cube_static'))
        fea.set_inp_file_name()
        self.assertTrue(
            True if fea.inp_file_name == static_analysis_inp_file else False,
            "Setting inp file name to {} failed".format(
                static_analysis_inp_file))

        fcc_print('Checking FEM frd file read from static analysis...')
        fea.load_results()
        self.assertTrue(
            fea.results_present,
            "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for static analysis...')
        static_expected_values = self.test_file_dir + "cube_static_expected_values"
        ret = testtools.compare_stats(fea, static_expected_values,
                                      'CalculiX_static_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        static_save_fc_file = static_analysis_dir + static_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for static analysis to {}...'.format(
            static_save_fc_file))
        self.active_doc.saveAs(static_save_fc_file)
        fcc_print(
            '--------------- End of FEM tests static and analysis ---------------'
        )
Пример #32
0
    def test_thermomech_analysis(self):
        fcc_print('--------------- Start of FEM tests ---------------')
        box = self.active_doc.addObject("Part::Box", "Box")
        box.Height = 25.4
        box.Width = 25.4
        box.Length = 203.2
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(
            self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'thermomech'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = True
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsThermoMechMaximum = 2000
        solver_object.IterationsControlParameterTimeUse = True
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialSolid(self.active_doc,
                                                       'MechanicalMaterial')
        mat = material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        mat['ThermalConductivity'] = "43.27 W/m/K"  # SvdW: Change to Ansys model values
        mat['ThermalExpansionCoefficient'] = "12 um/m/K"
        mat['SpecificHeat'] = "500 J/kg/K"  # SvdW: Change to Ansys model values
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM new fixed constraint...')
        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed",
                                                     "FemConstraintFixed")
        fixed_constraint.References = [(box, "Face1")]
        self.assertTrue(fixed_constraint,
                        "FemTest of new fixed constraint failed")
        analysis.addObject(fixed_constraint)

        fcc_print('Checking FEM new initial temperature constraint...')
        initialtemperature_constraint = self.active_doc.addObject(
            "Fem::ConstraintInitialTemperature",
            "FemConstraintInitialTemperature")
        initialtemperature_constraint.initialTemperature = 300.0
        self.assertTrue(
            initialtemperature_constraint,
            "FemTest of new initial temperature constraint failed")
        analysis.addObject(initialtemperature_constraint)

        fcc_print('Checking FEM new temperature constraint...')
        temperature_constraint = self.active_doc.addObject(
            "Fem::ConstraintTemperature", "FemConstraintTemperature")
        temperature_constraint.References = [(box, "Face1")]
        temperature_constraint.Temperature = 310.93
        self.assertTrue(temperature_constraint,
                        "FemTest of new temperature constraint failed")
        analysis.addObject(temperature_constraint)

        fcc_print('Checking FEM new heatflux constraint...')
        heatflux_constraint = self.active_doc.addObject(
            "Fem::ConstraintHeatflux", "FemConstraintHeatflux")
        heatflux_constraint.References = [(box, "Face3"), (box, "Face4"),
                                          (box, "Face5"), (box, "Face6")]
        heatflux_constraint.AmbientTemp = 255.3722
        heatflux_constraint.FilmCoef = 5.678
        self.assertTrue(heatflux_constraint,
                        "FemTest of new heatflux constraint failed")
        analysis.addObject(heatflux_constraint)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.spine_mesh import create_nodes_spine
        from .testfiles.ccx.spine_mesh import create_elements_spine
        mesh = Fem.FemMesh()
        ret = create_nodes_spine(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_spine(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject',
                                                self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        thermomech_analysis_dir = self.temp_dir + 'FEM_ccx_thermomech/'
        fea = ccxtools.FemToolsCcx(analysis, test_mode=True)

        fcc_print(
            'Setting up working directory {}'.format(thermomech_analysis_dir))
        fea.setup_working_dir(thermomech_analysis_dir)
        self.assertTrue(
            True if fea.working_dir == thermomech_analysis_dir else False,
            "Setting working directory {} failed".format(
                thermomech_analysis_dir))

        fcc_print(
            'Checking FEM inp file prerequisites for thermo-mechanical analysis...'
        )
        error = fea.check_prerequisites()
        self.assertFalse(
            error,
            "ccxtools check_prerequisites returned error message: {}".format(
                error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for thermomech analysis'.format(
            thermomech_analysis_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        thermomech_base_name = 'spine_thermomech'
        thermomech_analysis_inp_file = self.test_file_dir + thermomech_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(
            thermomech_analysis_inp_file, thermomech_analysis_dir,
            self.mesh_name))
        ret = testtools.compare_inp_files(
            thermomech_analysis_inp_file,
            thermomech_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(
            ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print(
            'Setting up working directory to {} in order to read simulated calculations'
            .format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(
            True if fea.working_dir == self.test_file_dir else False,
            "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format(
            'spine_thermomech'))
        fea.set_base_name(thermomech_base_name)
        self.assertTrue(
            True if fea.base_name == thermomech_base_name else False,
            "Setting base name to {} failed".format(thermomech_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format(
            'spine_thermomech'))
        fea.set_inp_file_name()
        self.assertTrue(
            True if fea.inp_file_name == thermomech_analysis_inp_file else
            False, "Setting inp file name to {} failed".format(
                thermomech_analysis_inp_file))

        fcc_print('Checking FEM frd file read from thermomech analysis...')
        fea.load_results()
        self.assertTrue(
            fea.results_present,
            "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print(
            'Reading stats from result object for thermomech analysis...')
        thermomech_expected_values = self.test_file_dir + "spine_thermomech_expected_values"
        ret = testtools.compare_stats(fea, thermomech_expected_values,
                                      'CalculiX_thermomech_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        thermomech_save_fc_file = thermomech_analysis_dir + thermomech_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for thermomech analysis to {}...'.format(
            thermomech_save_fc_file))
        self.active_doc.saveAs(thermomech_save_fc_file)

        fcc_print(
            '--------------- End of FEM tests thermomech analysis ---------------'
        )
Пример #33
0
    def test_2_static_multiple_material(self):
        fcc_print('--------------- Start of FEM ccxtools multiple material test ---------------')

        # create a CompSolid of two Boxes extract the CompSolid (we are able to remesh if needed)
        boxlow = self.active_doc.addObject("Part::Box", "BoxLower")
        boxupp = self.active_doc.addObject("Part::Box", "BoxUpper")
        boxupp.Placement.Base = (0, 0, 10)

        # for BooleanFragments Occt >=6.9 is needed
        '''
        import BOPTools.SplitFeatures
        bf = BOPTools.SplitFeatures.makeBooleanFragments(name='BooleanFragments')
        bf.Objects = [boxlow, boxupp]
        bf.Mode = "CompSolid"
        self.active_doc.recompute()
        bf.Proxy.execute(bf)
        bf.purgeTouched()
        for obj in bf.ViewObject.Proxy.claimChildren():
            obj.ViewObject.hide()
        self.active_doc.recompute()
        import CompoundTools.CompoundFilter
        cf = CompoundTools.CompoundFilter.makeCompoundFilter(name='MultiMatCompSolid')
        cf.Base = bf
        cf.FilterType = 'window-volume'
        cf.Proxy.execute(cf)
        cf.purgeTouched()
        cf.Base.ViewObject.hide()
        '''
        self.active_doc.recompute()
        if FreeCAD.GuiUp:
            import FreeCADGui
            FreeCADGui.ActiveDocument.activeView().viewAxonometric()
            FreeCADGui.SendMsgToActiveView("ViewFit")

        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(self.active_doc, 'CalculiXccxTools')
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        analysis.addObject(solver_object)

        material_object_low = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterialLow')
        mat = material_object_low.Material
        mat['Name'] = "Aluminium-Generic"
        mat['YoungsModulus'] = "70000 MPa"
        mat['PoissonRatio'] = "0.35"
        mat['Density'] = "2700  kg/m^3"
        material_object_low.Material = mat
        material_object_low.References = [(boxlow, 'Solid1')]
        analysis.addObject(material_object_low)

        material_object_upp = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterialUpp')
        mat = material_object_upp.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7980 kg/m^3"
        material_object_upp.Material = mat
        material_object_upp.References = [(boxupp, 'Solid1')]
        analysis.addObject(material_object_upp)

        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "ConstraintFixed")
        # fixed_constraint.References = [(cf, "Face3")]
        fixed_constraint.References = [(boxlow, "Face5")]
        analysis.addObject(fixed_constraint)

        pressure_constraint = self.active_doc.addObject("Fem::ConstraintPressure", "ConstraintPressure")
        # pressure_constraint.References = [(cf, "Face9")]
        pressure_constraint.References = [(boxupp, "Face6")]
        pressure_constraint.Pressure = 1000.0
        pressure_constraint.Reversed = False
        analysis.addObject(pressure_constraint)

        mesh = Fem.FemMesh()
        import femtest.testfiles.ccx.multimat_mesh as multimatmesh
        multimatmesh.create_nodes(mesh)
        multimatmesh.create_elements(mesh)
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        analysis.addObject(mesh_object)

        self.active_doc.recompute()
        static_multiplemat_dir = testtools.get_unit_test_tmp_dir(self.temp_dir, 'FEM_ccx_multimat/')
        fea = ccxtools.FemToolsCcx(analysis, solver_object, test_mode=True)
        fea.update_objects()
        fea.setup_working_dir(static_multiplemat_dir)

        fcc_print('Checking FEM inp file prerequisites for ccxtools multimat analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "ccxtools check_prerequisites returned error message: {}".format(error))

        static_base_name = 'multimat'
        inpfile_given = join(self.test_file_dir, (static_base_name + '.inp'))
        inpfile_totest = join(static_multiplemat_dir, (self.mesh_name + '.inp'))
        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {} for static multiple material'.format(inpfile_totest))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        fcc_print('Comparing {} to {}'.format(inpfile_given, inpfile_totest))
        ret = testtools.compare_inp_files(inpfile_given, inpfile_totest)
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        static_save_fc_file = static_multiplemat_dir + static_base_name + '.FCStd'
        fcc_print('Save FreeCAD file for static analysis to {}...'.format(static_save_fc_file))
        self.active_doc.saveAs(static_save_fc_file)
        fcc_print('--------------- End of FEM ccxtools multiple material test ---------------')
Пример #34
0
    def test_Flow1D_thermomech_analysis(self):
        fcc_print('--------------- Start of 1D Flow FEM tests ---------------')
        import Draft
        p1 = FreeCAD.Vector(0, 0, 50)
        p2 = FreeCAD.Vector(0, 0, -50)
        p3 = FreeCAD.Vector(0, 0, -4300)
        p4 = FreeCAD.Vector(4950, 0, -4300)
        p5 = FreeCAD.Vector(5000, 0, -4300)
        p6 = FreeCAD.Vector(8535.53, 0, -7835.53)
        p7 = FreeCAD.Vector(8569.88, 0, -7870.88)
        p8 = FreeCAD.Vector(12105.41, 0, -11406.41)
        p9 = FreeCAD.Vector(12140.76, 0, -11441.76)
        p10 = FreeCAD.Vector(13908.53, 0, -13209.53)
        p11 = FreeCAD.Vector(13943.88, 0, -13244.88)
        p12 = FreeCAD.Vector(15046.97, 0, -14347.97)
        p13 = FreeCAD.Vector(15046.97, 0, -7947.97)
        p14 = FreeCAD.Vector(15046.97, 0, -7847.97)
        p15 = FreeCAD.Vector(0, 0, 0)
        p16 = FreeCAD.Vector(0, 0, -2175)
        p17 = FreeCAD.Vector(2475, 0, -4300)
        p18 = FreeCAD.Vector(4975, 0, -4300)
        p19 = FreeCAD.Vector(6767.765, 0, -6067.765)
        p20 = FreeCAD.Vector(8552.705, 0, -7853.205)
        p21 = FreeCAD.Vector(10337.645, 0, -9638.645)
        p22 = FreeCAD.Vector(12123.085, 0, -11424.085)
        p23 = FreeCAD.Vector(13024.645, 0, -12325.645)
        p24 = FreeCAD.Vector(13926.205, 0, -13227.205)
        p25 = FreeCAD.Vector(14495.425, 0, -13796.425)
        p26 = FreeCAD.Vector(15046.97, 0, -11147.97)
        p27 = FreeCAD.Vector(15046.97, 0, -7897.97)
        points = [
            p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15,
            p16, p17, p18, p19, p20, p21, p22, p23, p24, p25, p26, p27
        ]
        line = Draft.makeWire(points, closed=False, face=False, support=None)
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(
            self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'thermomech'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = True
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsThermoMechMaximum = 2000
        solver_object.IterationsControlParameterTimeUse = False
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialFluid(self.active_doc,
                                                       'FluidMaterial')
        mat = material_object.Material
        mat['Name'] = "Water"
        mat['Density'] = "998 kg/m^3"
        mat['SpecificHeat'] = "4.182 J/kg/K"
        mat['DynamicViscosity'] = "1.003e-3 kg/m/s"
        mat['VolumetricThermalExpansionCoefficient'] = "2.07e-4 m/m/K"
        mat['ThermalConductivity'] = "0.591 W/m/K"
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM Flow1D inlet constraint...')
        Flow1d_inlet = ObjectsFem.makeElementFluid1D(self.active_doc,
                                                     "ElementFluid1D")
        Flow1d_inlet.SectionType = 'Liquid'
        Flow1d_inlet.LiquidSectionType = 'PIPE INLET'
        Flow1d_inlet.InletPressure = 0.1
        Flow1d_inlet.References = [(line, "Edge1")]
        self.assertTrue(Flow1d_inlet,
                        "FemTest of new Flow1D inlet constraint failed")
        analysis.addObject(Flow1d_inlet)

        fcc_print('Checking FEM new Flow1D entrance constraint...')
        Flow1d_entrance = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_entrance.SectionType = 'Liquid'
        Flow1d_entrance.LiquidSectionType = 'PIPE ENTRANCE'
        Flow1d_entrance.EntrancePipeArea = 31416.00
        Flow1d_entrance.EntranceArea = 25133.00
        Flow1d_entrance.References = [(line, "Edge2")]
        self.assertTrue(Flow1d_entrance,
                        "FemTest of new Flow1D entrance constraint failed")
        analysis.addObject(Flow1d_entrance)

        fcc_print('Checking FEM new Flow1D manning constraint...')
        Flow1d_manning = ObjectsFem.makeElementFluid1D(self.active_doc,
                                                       "ElementFluid1D")
        Flow1d_manning.SectionType = 'Liquid'
        Flow1d_manning.LiquidSectionType = 'PIPE MANNING'
        Flow1d_manning.ManningArea = 31416
        Flow1d_manning.ManningRadius = 50
        Flow1d_manning.ManningCoefficient = 0.002
        Flow1d_manning.References = [(line, "Edge3"), (line, "Edge5")]
        self.assertTrue(Flow1d_manning,
                        "FemTest of new Flow1D manning constraint failed")
        analysis.addObject(Flow1d_manning)

        fcc_print('Checking FEM new Flow1D bend constraint...')
        Flow1d_bend = ObjectsFem.makeElementFluid1D(self.active_doc,
                                                    "ElementFluid1D")
        Flow1d_bend.SectionType = 'Liquid'
        Flow1d_bend.LiquidSectionType = 'PIPE BEND'
        Flow1d_bend.BendPipeArea = 31416
        Flow1d_bend.BendRadiusDiameter = 1.5
        Flow1d_bend.BendAngle = 45
        Flow1d_bend.BendLossCoefficient = 0.4
        Flow1d_bend.References = [(line, "Edge4")]
        self.assertTrue(Flow1d_bend,
                        "FemTest of new Flow1D bend constraint failed")
        analysis.addObject(Flow1d_bend)

        fcc_print('Checking FEM new Flow1D enlargement constraint...')
        Flow1d_enlargement = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_enlargement.SectionType = 'Liquid'
        Flow1d_enlargement.LiquidSectionType = 'PIPE ENLARGEMENT'
        Flow1d_enlargement.EnlargeArea1 = 31416.00
        Flow1d_enlargement.EnlargeArea2 = 70686.00
        Flow1d_enlargement.References = [(line, "Edge6")]
        self.assertTrue(Flow1d_enlargement,
                        "FemTest of new Flow1D enlargement constraint failed")
        analysis.addObject(Flow1d_enlargement)

        fcc_print('Checking FEM new Flow1D manning constraint...')
        Flow1d_manning1 = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_manning1.SectionType = 'Liquid'
        Flow1d_manning1.LiquidSectionType = 'PIPE MANNING'
        Flow1d_manning1.ManningArea = 70686.00
        Flow1d_manning1.ManningRadius = 75
        Flow1d_manning1.ManningCoefficient = 0.002
        Flow1d_manning1.References = [(line, "Edge7")]
        self.assertTrue(Flow1d_manning1,
                        "FemTest of new Flow1D manning constraint failed")
        analysis.addObject(Flow1d_manning1)

        fcc_print('Checking FEM new Flow1D contraction constraint...')
        Flow1d_contraction = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_contraction.SectionType = 'Liquid'
        Flow1d_contraction.LiquidSectionType = 'PIPE CONTRACTION'
        Flow1d_contraction.ContractArea1 = 70686
        Flow1d_contraction.ContractArea2 = 17671
        Flow1d_contraction.References = [(line, "Edge8")]
        self.assertTrue(Flow1d_contraction,
                        "FemTest of new Flow1D contraction constraint failed")
        analysis.addObject(Flow1d_contraction)

        fcc_print('Checking FEM new Flow1D manning constraint...')
        Flow1d_manning2 = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_manning2.SectionType = 'Liquid'
        Flow1d_manning2.LiquidSectionType = 'PIPE MANNING'
        Flow1d_manning2.ManningArea = 17671.00
        Flow1d_manning2.ManningRadius = 37.5
        Flow1d_manning2.ManningCoefficient = 0.002
        Flow1d_manning2.References = [(line, "Edge11"), (line, "Edge9")]
        self.assertTrue(Flow1d_manning2,
                        "FemTest of new Flow1D manning constraint failed")
        analysis.addObject(Flow1d_manning2)

        fcc_print('Checking FEM new Flow1D gate valve constraint...')
        Flow1d_gate_valve = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_gate_valve.SectionType = 'Liquid'
        Flow1d_gate_valve.LiquidSectionType = 'PIPE GATE VALVE'
        Flow1d_gate_valve.GateValvePipeArea = 17671
        Flow1d_gate_valve.GateValveClosingCoeff = 0.5
        Flow1d_gate_valve.References = [(line, "Edge10")]
        self.assertTrue(Flow1d_gate_valve,
                        "FemTest of new Flow1D gate valve constraint failed")
        analysis.addObject(Flow1d_gate_valve)

        fcc_print('Checking FEM new Flow1D enlargement constraint...')
        Flow1d_enlargement1 = ObjectsFem.makeElementFluid1D(
            self.active_doc, "ElementFluid1D")
        Flow1d_enlargement1.SectionType = 'Liquid'
        Flow1d_enlargement1.LiquidSectionType = 'PIPE ENLARGEMENT'
        Flow1d_enlargement1.EnlargeArea1 = 17671
        Flow1d_enlargement1.EnlargeArea2 = 1e12
        Flow1d_enlargement1.References = [(line, "Edge12")]
        self.assertTrue(Flow1d_enlargement1,
                        "FemTest of new Flow1D enlargement constraint failed")
        analysis.addObject(Flow1d_enlargement1)

        fcc_print('Checking FEM Flow1D outlet constraint...')
        Flow1d_outlet = ObjectsFem.makeElementFluid1D(self.active_doc,
                                                      "ElementFluid1D")
        Flow1d_outlet.SectionType = 'Liquid'
        Flow1d_outlet.LiquidSectionType = 'PIPE OUTLET'
        Flow1d_outlet.OutletPressure = 0.1
        Flow1d_outlet.References = [(line, "Edge13")]
        self.assertTrue(Flow1d_outlet,
                        "FemTest of new Flow1D inlet constraint failed")
        analysis.addObject(Flow1d_outlet)

        fcc_print('Checking FEM self weight constraint...')
        Flow1d_self_weight = ObjectsFem.makeConstraintSelfWeight(
            self.active_doc, "ConstraintSelfWeight")
        Flow1d_self_weight.Gravity_x = 0.0
        Flow1d_self_weight.Gravity_y = 0.0
        Flow1d_self_weight.Gravity_z = -1.0
        self.assertTrue(Flow1d_outlet,
                        "FemTest of new Flow1D self weight constraint failed")
        analysis.addObject(Flow1d_self_weight)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.Flow1D_mesh import create_nodes_Flow1D
        from .testfiles.ccx.Flow1D_mesh import create_elements_Flow1D
        mesh = Fem.FemMesh()
        ret = create_nodes_Flow1D(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_Flow1D(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject',
                                                self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        Flow1D_thermomech_analysis_dir = self.temp_dir + 'FEM_ccx_Flow1D_thermomech/'
        fea = ccxtools.FemToolsCcx(analysis, test_mode=True)

        fcc_print('Setting up working directory {}'.format(
            Flow1D_thermomech_analysis_dir))
        fea.setup_working_dir(Flow1D_thermomech_analysis_dir)
        self.assertTrue(
            True if fea.working_dir == Flow1D_thermomech_analysis_dir else
            False, "Setting working directory {} failed".format(
                Flow1D_thermomech_analysis_dir))

        fcc_print(
            'Checking FEM inp file prerequisites for thermo-mechanical analysis...'
        )
        error = fea.check_prerequisites()
        self.assertFalse(
            error,
            "ccxtools check_prerequisites returned error message: {}".format(
                error))

        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {}/{}.inp for thermomech analysis'.format(
            Flow1D_thermomech_analysis_dir, self.mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        Flow1D_thermomech_base_name = 'Flow1D_thermomech'
        Flow1D_thermomech_analysis_inp_file = self.test_file_dir + Flow1D_thermomech_base_name + '.inp'
        fcc_print('Comparing {} to {}/{}.inp'.format(
            Flow1D_thermomech_analysis_inp_file,
            Flow1D_thermomech_analysis_dir, self.mesh_name))
        ret = testtools.compare_inp_files(
            Flow1D_thermomech_analysis_inp_file,
            Flow1D_thermomech_analysis_dir + self.mesh_name + '.inp')
        self.assertFalse(
            ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print(
            'Setting up working directory to {} in order to read simulated calculations'
            .format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(
            True if fea.working_dir == self.test_file_dir else False,
            "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format(
            'Flow1D_thermomech'))
        fea.set_base_name(Flow1D_thermomech_base_name)
        self.assertTrue(
            True if fea.base_name == Flow1D_thermomech_base_name else False,
            "Setting base name to {} failed".format(
                Flow1D_thermomech_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format(
            'Flow1D_thermomech'))
        fea.set_inp_file_name()
        self.assertTrue(
            True if fea.inp_file_name == Flow1D_thermomech_analysis_inp_file
            else False, "Setting inp file name to {} failed".format(
                Flow1D_thermomech_analysis_inp_file))

        fcc_print(
            'Checking FEM frd file read from Flow1D thermomech analysis...')
        fea.load_results()
        self.assertTrue(
            fea.results_present,
            "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print(
            'Reading stats from result object for Flow1D thermomech analysis...'
        )
        Flow1D_thermomech_expected_values = self.test_file_dir + "Flow1D_thermomech_expected_values"
        stat_types = [
            "U1", "U2", "U3", "Uabs", "Sabs", "MaxPrin", "MidPrin", "MinPrin",
            "MaxShear", "Peeq", "Temp", "MFlow", "NPress"
        ]
        ret = testtools.compare_stats(fea, Flow1D_thermomech_expected_values,
                                      stat_types,
                                      'CalculiX_thermomech_time_1_0_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        Flow1D_thermomech_save_fc_file = Flow1D_thermomech_analysis_dir + Flow1D_thermomech_base_name + '.fcstd'
        fcc_print('Save FreeCAD file for thermomech analysis to {}...'.format(
            Flow1D_thermomech_save_fc_file))
        self.active_doc.saveAs(Flow1D_thermomech_save_fc_file)

        fcc_print(
            '--------------- End of FEM tests FLow 1D thermomech analysis ---------------'
        )
Пример #35
0
    def test_3_freq_analysis(self):
        fcc_print('--------------- Start of FEM tests ---------------')
        self.active_doc.addObject("Part::Box", "Box")
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis(self.active_doc, 'Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculixCcxTools(self.active_doc, 'CalculiX')
        solver_object.AnalysisType = 'frequency'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.EigenmodesCount = 10
        solver_object.EigenmodeHighLimit = 1000000.0
        solver_object.EigenmodeLowLimit = 0.01
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.addObject(solver_object)

        fcc_print('Checking FEM new material...')
        material_object = ObjectsFem.makeMaterialSolid(self.active_doc, 'MechanicalMaterial')
        mat = material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        material_object.Material = mat
        self.assertTrue(material_object, "FemTest of new material failed")
        analysis.addObject(material_object)

        fcc_print('Checking FEM new mesh...')
        from .testfiles.ccx.cube_mesh import create_nodes_cube
        from .testfiles.ccx.cube_mesh import create_elements_cube
        mesh = Fem.FemMesh()
        ret = create_nodes_cube(mesh)
        self.assertTrue(ret, "Import of mesh nodes failed")
        ret = create_elements_cube(mesh)
        self.assertTrue(ret, "Import of mesh volumes failed")
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', self.mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.addObject(mesh_object)

        self.active_doc.recompute()

        frequency_analysis_dir = testtools.get_unit_test_tmp_dir(self.temp_dir, 'FEM_ccx_frequency')
        fea = ccxtools.FemToolsCcx(analysis, solver_object, test_mode=True)
        fea.update_objects()

        fcc_print('Setting up working directory {}'.format(frequency_analysis_dir))
        fea.setup_working_dir(frequency_analysis_dir)
        self.assertTrue(True if fea.working_dir == frequency_analysis_dir else False,
                        "Setting working directory {} failed".format(frequency_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for frequency analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "ccxtools check_prerequisites returned error message: {}".format(error))

        frequency_base_name = 'cube_frequency'
        inpfile_given = join(self.test_file_dir, (frequency_base_name + '.inp'))
        inpfile_totest = join(frequency_analysis_dir, (self.mesh_name + '.inp'))
        fcc_print('Checking FEM inp file write...')
        fcc_print('Writing {} for frequency analysis'.format(inpfile_totest))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        fcc_print('Comparing {} to {}'.format(inpfile_given, inpfile_totest))
        ret = testtools.compare_inp_files(inpfile_given, inpfile_totest)
        self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))

        fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(self.test_file_dir))
        fea.setup_working_dir(self.test_file_dir)
        self.assertTrue(True if fea.working_dir == self.test_file_dir else False,
                        "Setting working directory {} failed".format(self.test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format(frequency_base_name))
        fea.set_base_name(frequency_base_name)
        self.assertTrue(True if fea.base_name == frequency_base_name else False,
                        "Setting base name to {} failed".format(frequency_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format('cube_frequency'))
        fea.set_inp_file_name()
        self.assertTrue(True if fea.inp_file_name == inpfile_given else False,
                        "Setting inp file name to {} failed".format(inpfile_given))

        fcc_print('Checking FEM frd file read from frequency analysis...')
        fea.load_results()
        self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for frequency analysis...')
        frequency_expected_values = join(self.test_file_dir, "cube_frequency_expected_values")
        ret = testtools.compare_stats(fea, frequency_expected_values, 'CalculiX_frequency_mode_1_results')
        self.assertFalse(ret, "Invalid results read from .frd file")

        frequency_save_fc_file = frequency_analysis_dir + frequency_base_name + '.FCStd'
        fcc_print('Save FreeCAD file for frequency analysis to {}...'.format(frequency_save_fc_file))
        self.active_doc.saveAs(frequency_save_fc_file)
        fcc_print('--------------- End of FEM tests frequency analysis ---------------')
Пример #36
0
    def test_femobjects_derivedfromfem(self):
        # try to add all possible True types from inheritance chain see
        # https://forum.freecadweb.org/viewtopic.php?f=10&t=32625
        doc = self.active_doc

        from femtools.femutils import is_derived_from

        materialsolid = ObjectsFem.makeMaterialSolid(doc)
        mesh = ObjectsFem.makeMeshGmsh(doc)
        solverelmer = ObjectsFem.makeSolverElmer(doc)

        # FemAnalysis
        self.assertTrue(
            is_derived_from(ObjectsFem.makeAnalysis(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeAnalysis(doc), 'Fem::FemAnalysis'))

        # ConstraintBearing
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintBearing(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintBearing(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintBearing(doc),
                            'Fem::ConstraintBearing'))

        # ConstraintBodyHeatSource
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintBodyHeatSource(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintBodyHeatSource(doc),
                            'Fem::ConstraintPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintBodyHeatSource(doc),
                            'Fem::ConstraintBodyHeatSource'))

        # ConstraintContact
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintContact(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintContact(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintContact(doc),
                            'Fem::ConstraintContact'))

        # ConstraintDisplacement
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintDisplacement(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintDisplacement(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintDisplacement(doc),
                            'Fem::ConstraintDisplacement'))

        # ConstraintElectrostaticPotential
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeConstraintElectrostaticPotential(doc),
                'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeConstraintElectrostaticPotential(doc),
                'Fem::ConstraintPython'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeConstraintElectrostaticPotential(doc),
                'Fem::ConstraintElectrostaticPotential'))

        # ConstraintFixed
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFixed(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFixed(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFixed(doc),
                            'Fem::ConstraintFixed'))

        # ConstraintFlowVelocity
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFlowVelocity(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFlowVelocity(doc),
                            'Fem::ConstraintPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFlowVelocity(doc),
                            'Fem::ConstraintFlowVelocity'))

        # ConstraintFluidBoundary
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFluidBoundary(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFluidBoundary(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintFluidBoundary(doc),
                            'Fem::ConstraintFluidBoundary'))

        # ConstraintForce
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintForce(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintForce(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintForce(doc),
                            'Fem::ConstraintForce'))

        # ConstraintGear
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintGear(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintGear(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintGear(doc),
                            'Fem::ConstraintGear'))

        # ConstraintHeatflux
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintHeatflux(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintHeatflux(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintHeatflux(doc),
                            'Fem::ConstraintHeatflux'))

        # ConstraintInitialFlowVelocity
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintInitialFlowVelocity(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintInitialFlowVelocity(doc),
                            'Fem::ConstraintPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintInitialFlowVelocity(doc),
                            'Fem::ConstraintInitialFlowVelocity'))

        # ConstraintInitialTemperature
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintInitialTemperature(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintInitialTemperature(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintInitialTemperature(doc),
                            'Fem::ConstraintInitialTemperature'))

        # ConstraintPlaneRotation
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPlaneRotation(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPlaneRotation(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPlaneRotation(doc),
                            'Fem::ConstraintPlaneRotation'))

        # ConstraintPressure
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPressure(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPressure(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPressure(doc),
                            'Fem::ConstraintPressure'))

        # ConstraintPulley
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPulley(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPulley(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintPulley(doc),
                            'Fem::ConstraintPulley'))

        # ConstraintSelfWeight
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintSelfWeight(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintSelfWeight(doc),
                            'Fem::ConstraintPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintSelfWeight(doc),
                            'Fem::ConstraintSelfWeight'))

        # ConstraintTemperature
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintTemperature(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintTemperature(doc),
                            'Fem::Constraint'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintTemperature(doc),
                            'Fem::ConstraintTemperature'))

        # ConstraintTransform
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintTransform(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeConstraintTransform(doc),
                            'Fem::ConstraintTransform'))

        # FemElementFluid1D
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementFluid1D(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementFluid1D(doc),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementFluid1D(doc),
                            'Fem::FemElementFluid1D'))

        # FemElementGeometry1D
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementGeometry1D(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementGeometry1D(doc),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementGeometry1D(doc),
                            'Fem::FemElementGeometry1D'))

        # FemElementGeometry2D
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementGeometry2D(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementGeometry2D(doc),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementGeometry2D(doc),
                            'Fem::FemElementGeometry2D'))

        # FemElementRotation1D
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementRotation1D(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementRotation1D(doc),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeElementRotation1D(doc),
                            'Fem::FemElementRotation1D'))

        # Material
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMaterialFluid(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMaterialFluid(doc),
                            'App::MaterialObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMaterialFluid(doc),
                            'Fem::Material'))

        # Material
        self.assertTrue(is_derived_from(materialsolid, 'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(materialsolid, 'App::MaterialObjectPython'))
        self.assertTrue(is_derived_from(materialsolid, 'Fem::Material'))

        # MaterialMechanicalNonlinear
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid),
                'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid),
                'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid),
                'Fem::MaterialMechanicalNonlinear'))

        # MaterialReinforced
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMaterialReinforced(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMaterialReinforced(doc),
                            'App::MaterialObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMaterialReinforced(doc),
                            'Fem::MaterialReinforced'))

        # FemMeshGmsh
        self.assertTrue(is_derived_from(mesh, 'App::DocumentObject'))
        self.assertTrue(is_derived_from(mesh, 'Fem::FemMeshObjectPython'))
        self.assertTrue(is_derived_from(mesh, 'Fem::FemMeshGmsh'))

        # FemMeshBoundaryLayer
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshBoundaryLayer(doc, mesh),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshBoundaryLayer(doc, mesh),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshBoundaryLayer(doc, mesh),
                            'Fem::FemMeshBoundaryLayer'))

        # FemMeshGroup
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshGroup(doc, mesh),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshGroup(doc, mesh),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshGroup(doc, mesh),
                            'Fem::FemMeshGroup'))

        # FemMeshRegion
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshRegion(doc, mesh),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshRegion(doc, mesh),
                            'Fem::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshRegion(doc, mesh),
                            'Fem::FemMeshRegion'))

        # FemMeshShapeNetgenObject
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshNetgen(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshNetgen(doc),
                            'Fem::FemMeshShapeNetgenObject'))

        # FemMeshResult
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshResult(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshResult(doc),
                            'Fem::FemMeshObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeMeshResult(doc),
                            'Fem::FemMeshResult'))

        # FemResultMechanical
        self.assertTrue(
            is_derived_from(ObjectsFem.makeResultMechanical(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeResultMechanical(doc),
                            'Fem::FemResultObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeResultMechanical(doc),
                            'Fem::FemResultMechanical'))

        # FemSolverCalculixCcxTools
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc),
                            'Fem::FemSolverObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc),
                            'Fem::FemSolverObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc),
                            'Fem::FemSolverCalculixCcxTools'))

        # FemSolverObjectCalculix
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculix(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculix(doc),
                            'Fem::FemSolverObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculix(doc),
                            'Fem::FemSolverObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverCalculix(doc),
                            'Fem::FemSolverObjectCalculix'))

        # FemSolverObjectElmer
        self.assertTrue(is_derived_from(solverelmer, 'App::DocumentObject'))
        self.assertTrue(is_derived_from(solverelmer, 'Fem::FemSolverObject'))
        self.assertTrue(
            is_derived_from(solverelmer, 'Fem::FemSolverObjectPython'))
        self.assertTrue(
            is_derived_from(solverelmer, 'Fem::FemSolverObjectElmer'))

        # FemSolverObjectZ88
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverZ88(doc),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverZ88(doc),
                            'Fem::FemSolverObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverZ88(doc),
                            'Fem::FemSolverObjectPython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeSolverZ88(doc),
                            'Fem::FemSolverObjectZ88'))

        # FemEquationElmerElasticity
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationElasticity(doc, solverelmer),
                'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationElasticity(doc, solverelmer),
                'App::FeaturePython'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationElasticity(doc, solverelmer),
                'Fem::FemEquationElmerElasticity'))

        # FemEquationElmerElectrostatic
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationElectrostatic(doc, solverelmer),
                'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationElectrostatic(doc, solverelmer),
                'App::FeaturePython'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationElectrostatic(doc, solverelmer),
                'Fem::FemEquationElmerElectrostatic'))

        # FemEquationElmerFlow
        self.assertTrue(
            is_derived_from(ObjectsFem.makeEquationFlow(doc, solverelmer),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeEquationFlow(doc, solverelmer),
                            'App::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeEquationFlow(doc, solverelmer),
                            'Fem::FemEquationElmerFlow'))

        # FemEquationElmerFluxsolver
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationFluxsolver(doc, solverelmer),
                'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationFluxsolver(doc, solverelmer),
                'App::FeaturePython'))
        self.assertTrue(
            is_derived_from(
                ObjectsFem.makeEquationFluxsolver(doc, solverelmer),
                'Fem::FemEquationElmerFluxsolver'))

        # FemEquationElmerHeat
        self.assertTrue(
            is_derived_from(ObjectsFem.makeEquationHeat(doc, solverelmer),
                            'App::DocumentObject'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeEquationHeat(doc, solverelmer),
                            'App::FeaturePython'))
        self.assertTrue(
            is_derived_from(ObjectsFem.makeEquationHeat(doc, solverelmer),
                            'Fem::FemEquationElmerHeat'))
Пример #37
0
def setup(doc=None, solvertype="ccxtools"):
    # setup model

    if doc is None:
        doc = init_doc()

    # geometry objects
    # two boxes
    boxlow = doc.addObject("Part::Box", "BoxLower")
    boxupp = doc.addObject("Part::Box", "BoxUpper")
    boxupp.Placement.Base = (0, 0, 10)

    # boolean fragment of the two boxes
    bf = SplitFeatures.makeBooleanFragments(name="BooleanFragments")
    bf.Objects = [boxlow, boxupp]
    bf.Mode = "CompSolid"
    doc.recompute()
    bf.Proxy.execute(bf)
    bf.purgeTouched()
    if FreeCAD.GuiUp:
        for child in bf.ViewObject.Proxy.claimChildren():
            child.ViewObject.hide()
    doc.recompute()

    # extract CompSolid by compound filter tool
    geom_obj = CompoundFilter.makeCompoundFilter(name="MultiMatCompSolid")
    geom_obj.Base = bf
    geom_obj.FilterType = "window-volume"
    geom_obj.Proxy.execute(geom_obj)
    geom_obj.purgeTouched()
    if FreeCAD.GuiUp:
        geom_obj.Base.ViewObject.hide()
    doc.recompute()

    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
    elif solvertype == "ccxtools":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
        solver_object.WorkingDir = u""
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_object.SplitInputWriter = False
        solver_object.AnalysisType = "static"
        solver_object.GeometricalNonlinearity = "linear"
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False

    # material
    material_object_low = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialLow"))[0]
    mat = material_object_low.Material
    mat["Name"] = "Aluminium-Generic"
    mat["YoungsModulus"] = "70000 MPa"
    mat["PoissonRatio"] = "0.35"
    mat["Density"] = "2700  kg/m^3"
    material_object_low.Material = mat
    material_object_low.References = [(boxlow, "Solid1")]
    analysis.addObject(material_object_low)

    material_object_upp = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialUpp"))[0]
    mat = material_object_upp.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "200000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7980 kg/m^3"
    material_object_upp.Material = mat
    material_object_upp.References = [(boxupp, "Solid1")]

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed"))[0]
    fixed_constraint.References = [(geom_obj, "Face5")]

    # pressure_constraint
    pressure_constraint = analysis.addObject(
        ObjectsFem.makeConstraintPressure(doc, "ConstraintPressure"))[0]
    pressure_constraint.References = [(geom_obj, "Face11")]
    pressure_constraint.Pressure = 1000.0
    pressure_constraint.Reversed = False

    # mesh
    from .meshes.mesh_boxes_2_vertikal_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc,
                                                             mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False

    doc.recompute()
    return doc
Пример #38
0
def setup(doc=None, solvertype="ccxtools"):

    # init FreeCAD document
    if doc is None:
        doc = init_doc()

    # explanation object
    # just keep the following line and change text string in get_explanation method
    manager.add_explanation_obj(
        doc, get_explanation(manager.get_header(get_information())))

    # geometric object
    geom_obj = doc.addObject("Part::Plane", "Plate")
    geom_obj.Width = 6000
    geom_obj.Length = 8000
    doc.recompute()
    if FreeCAD.GuiUp:
        geom_obj.ViewObject.Document.activeView().viewAxonometric()
        geom_obj.ViewObject.Document.activeView().fitAll()

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_obj = ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
    elif solvertype == "ccxtools":
        solver_obj = ObjectsFem.makeSolverCalculixCcxTools(
            doc, "CalculiXccxTools")
        solver_obj.WorkingDir = u""
    else:
        FreeCAD.Console.PrintWarning(
            "Not known or not supported solver type: {}. "
            "No solver object was created.\n".format(solvertype))
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_obj.SplitInputWriter = False
        solver_obj.AnalysisType = "buckling"
        solver_obj.BucklingFactors = 10
        solver_obj.GeometricalNonlinearity = "linear"
        solver_obj.ThermoMechSteadyState = False
        solver_obj.MatrixSolverType = "default"
        solver_obj.IterationsControlParameterTimeUse = False
        solver_obj.BucklingFactors = 1
    analysis.addObject(solver_obj)

    # shell thickness
    thickness_obj = ObjectsFem.makeElementGeometry2D(doc, 50, 'Thickness')
    analysis.addObject(thickness_obj)

    # material
    material_obj = ObjectsFem.makeMaterialSolid(doc, "Steel")
    mat = material_obj.Material
    mat["Name"] = "CalculiX-Steel"
    mat["YoungsModulus"] = "210000 MPa"
    mat["PoissonRatio"] = "0.30"
    material_obj.Material = mat
    analysis.addObject(material_obj)

    # constraints displacement
    con_disp_x = ObjectsFem.makeConstraintDisplacement(
        doc, "ConstraintDisplacement_X")
    con_disp_x.References = [(geom_obj, "Edge1")]
    con_disp_x.xFix = True
    con_disp_x.xFree = False
    analysis.addObject(con_disp_x)

    con_disp_y = ObjectsFem.makeConstraintDisplacement(
        doc, "ConstraintDisplacement_Y")
    con_disp_y.References = [(geom_obj, "Vertex1")]
    con_disp_y.yFix = True
    con_disp_y.yFree = False
    analysis.addObject(con_disp_y)

    con_disp_z = ObjectsFem.makeConstraintDisplacement(
        doc, "ConstraintDisplacement_Z")
    con_disp_z.References = [
        (geom_obj, "Edge1"),
        (geom_obj, "Edge2"),
        (geom_obj, "Edge3"),
        (geom_obj, "Edge4"),
    ]
    con_disp_z.zFix = True
    con_disp_z.zFree = False
    analysis.addObject(con_disp_z)

    # constraint force
    con_force = ObjectsFem.makeConstraintForce(doc, "ConstraintForce")
    con_force.References = [(geom_obj, "Edge3")]
    con_force.Force = 17162160  # 17'162.16 N
    con_force.Reversed = True
    con_force.Direction = (geom_obj, ["Edge2"])
    analysis.addObject(con_force)

    # mesh
    from .meshes.mesh_buckling_plate_tria6 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
    femmesh_obj.FemMesh = fem_mesh
    femmesh_obj.Part = geom_obj
    femmesh_obj.SecondOrderLinear = False
    femmesh_obj.CharacteristicLengthMax = "300.0 mm"
    femmesh_obj.ElementDimension = "2D"

    doc.recompute()
    return doc
Пример #39
0
def setup(doc=None, solvertype="ccxtools"):
    # setup reinfoced wall in 2D

    if doc is None:
        doc = init_doc()

    # part
    from FreeCAD import Vector as vec
    import Part
    from Part import makeLine as ln

    v1 = vec(0, -2000, 0)
    v2 = vec(500, -2000, 0)
    v3 = vec(500, 0, 0)
    v4 = vec(3500, 0, 0)
    v5 = vec(3500, -2000, 0)
    v6 = vec(4000, -2000, 0)
    v7 = vec(4000, 2000, 0)
    v8 = vec(0, 2000, 0)
    l1 = ln(v1, v2)
    l2 = ln(v2, v3)
    l3 = ln(v3, v4)
    l4 = ln(v4, v5)
    l5 = ln(v5, v6)
    l6 = ln(v6, v7)
    l7 = ln(v7, v8)
    l8 = ln(v8, v1)
    rcwall = doc.addObject("Part::Feature", "FIB_Wall")
    rcwall.Shape = Part.Face(Part.Wire([l1, l2, l3, l4, l5, l6, l7, l8]))
    doc.recompute()

    if FreeCAD.GuiUp:
        import FreeCADGui
        FreeCADGui.ActiveDocument.activeView().viewAxonometric()
        FreeCADGui.SendMsgToActiveView("ViewFit")

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
    elif solvertype == "ccxtools":
        solver = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
        solver.WorkingDir = u""
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver.AnalysisType = "static"
        solver.GeometricalNonlinearity = "linear"
        solver.ThermoMechSteadyState = False
        solver.MatrixSolverType = "default"
        solver.IterationsControlParameterTimeUse = False

    # shell thickness
    thickness = analysis.addObject(
        ObjectsFem.makeElementGeometry2D(doc, 0, "ShellThickness"))[0]
    thickness.Thickness = 150.0

    # material
    matrixprop = {}
    matrixprop["Name"] = "Concrete-EN-C35/45"
    matrixprop["YoungsModulus"] = "32000 MPa"
    matrixprop["PoissonRatio"] = "0.17"
    matrixprop["CompressiveStrength"] = "15.75 MPa"
    # make some hint on the possible angle units in material system
    matrixprop["AngleOfFriction"] = "30 deg"
    matrixprop["Density"] = "2500 kg/m^3"
    reinfoprop = {}
    reinfoprop["Name"] = "Reinforcement-FIB-B500"
    reinfoprop["YieldStrength"] = "315 MPa"
    # not an official FreeCAD material property
    reinfoprop["ReinforcementRatio"] = "0.0"
    material_reinforced = analysis.addObject(
        ObjectsFem.makeMaterialReinforced(doc, "MaterialReinforced"))[0]
    material_reinforced.Material = matrixprop
    material_reinforced.Reinforcement = reinfoprop

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
    fixed_constraint.References = [(rcwall, "Edge1"), (rcwall, "Edge5")]

    # force constraint
    force_constraint = doc.Analysis.addObject(
        ObjectsFem.makeConstraintForce(doc, name="ConstraintForce"))[0]
    force_constraint.References = [(rcwall, "Edge7")]
    force_constraint.Force = 1000000.0
    force_constraint.Direction = (rcwall, ["Edge8"])
    force_constraint.Reversed = False

    # displacement_constraint
    displacement_constraint = doc.Analysis.addObject(
        ObjectsFem.makeConstraintDisplacement(
            doc, name="ConstraintDisplacmentPrescribed"))[0]
    displacement_constraint.References = [(rcwall, "Face1")]
    displacement_constraint.zFix = True

    # mesh
    from .meshes.mesh_rc_wall_2d_tria6 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        doc.addObject("Fem::FemMeshObject", mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #40
0
    def test_femobjects_derivedfromfem(self):
        # try to add all possible True types from inheritance chain see https://forum.freecadweb.org/viewtopic.php?f=10&t=32625
        doc = self.active_doc

        from femtools.femutils import is_derived_from

        materialsolid = ObjectsFem.makeMaterialSolid(doc)
        mesh = ObjectsFem.makeMeshGmsh(doc)
        solverelmer = ObjectsFem.makeSolverElmer(doc)

        self.assertTrue(is_derived_from(ObjectsFem.makeAnalysis(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeAnalysis(doc), 'Fem::FemAnalysis'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintBearing(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintBearing(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintBearing(doc), 'Fem::ConstraintBearing'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintBodyHeatSource(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintBodyHeatSource(doc), 'Fem::ConstraintPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintBodyHeatSource(doc), 'Fem::ConstraintBodyHeatSource'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintContact(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintContact(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintContact(doc), 'Fem::ConstraintContact'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintDisplacement(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintDisplacement(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintDisplacement(doc), 'Fem::ConstraintDisplacement'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintElectrostaticPotential(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintElectrostaticPotential(doc), 'Fem::ConstraintPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintElectrostaticPotential(doc), 'Fem::ConstraintElectrostaticPotential'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFixed(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFixed(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFixed(doc), 'Fem::ConstraintFixed'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFlowVelocity(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFlowVelocity(doc), 'Fem::ConstraintPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFlowVelocity(doc), 'Fem::ConstraintFlowVelocity'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFluidBoundary(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFluidBoundary(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintFluidBoundary(doc), 'Fem::ConstraintFluidBoundary'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintForce(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintForce(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintForce(doc), 'Fem::ConstraintForce'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintGear(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintGear(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintGear(doc), 'Fem::ConstraintGear'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintHeatflux(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintHeatflux(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintHeatflux(doc), 'Fem::ConstraintHeatflux'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintInitialFlowVelocity(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintInitialFlowVelocity(doc), 'Fem::ConstraintPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintInitialFlowVelocity(doc), 'Fem::ConstraintInitialFlowVelocity'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintInitialTemperature(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintInitialTemperature(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintInitialTemperature(doc), 'Fem::ConstraintInitialTemperature'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPlaneRotation(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPlaneRotation(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPlaneRotation(doc), 'Fem::ConstraintPlaneRotation'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPressure(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPressure(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPressure(doc), 'Fem::ConstraintPressure'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPulley(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPulley(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintPulley(doc), 'Fem::ConstraintPulley'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintSelfWeight(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintSelfWeight(doc), 'Fem::ConstraintPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintSelfWeight(doc), 'Fem::ConstraintSelfWeight'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintTemperature(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintTemperature(doc), 'Fem::Constraint'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintTemperature(doc), 'Fem::ConstraintTemperature'))

        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintTransform(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeConstraintTransform(doc), 'Fem::ConstraintTransform'))

        self.assertTrue(is_derived_from(ObjectsFem.makeElementFluid1D(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementFluid1D(doc), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementFluid1D(doc), 'Fem::FemElementFluid1D'))

        self.assertTrue(is_derived_from(ObjectsFem.makeElementGeometry1D(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementGeometry1D(doc), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementGeometry1D(doc), 'Fem::FemElementGeometry1D'))

        self.assertTrue(is_derived_from(ObjectsFem.makeElementGeometry2D(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementGeometry2D(doc), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementGeometry2D(doc), 'Fem::FemElementGeometry2D'))

        self.assertTrue(is_derived_from(ObjectsFem.makeElementRotation1D(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementRotation1D(doc), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeElementRotation1D(doc), 'Fem::FemElementRotation1D'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMaterialFluid(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMaterialFluid(doc), 'App::MaterialObjectPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMaterialFluid(doc), 'Fem::Material'))

        self.assertTrue(is_derived_from(materialsolid, 'App::DocumentObject'))
        self.assertTrue(is_derived_from(materialsolid, 'App::MaterialObjectPython'))
        self.assertTrue(is_derived_from(materialsolid, 'Fem::Material'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMaterialMechanicalNonlinear(doc, materialsolid), 'Fem::MaterialMechanicalNonlinear'))

        self.assertTrue(is_derived_from(mesh, 'App::DocumentObject'))
        self.assertTrue(is_derived_from(mesh, 'Fem::FemMeshObjectPython'))
        self.assertTrue(is_derived_from(mesh, 'Fem::FemMeshGmsh'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMeshBoundaryLayer(doc, mesh), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshBoundaryLayer(doc, mesh), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshBoundaryLayer(doc, mesh), 'Fem::FemMeshBoundaryLayer'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMeshGroup(doc, mesh), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshGroup(doc, mesh), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshGroup(doc, mesh), 'Fem::FemMeshGroup'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMeshRegion(doc, mesh), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshRegion(doc, mesh), 'Fem::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshRegion(doc, mesh), 'Fem::FemMeshRegion'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMeshNetgen(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshNetgen(doc), 'Fem::FemMeshShapeNetgenObject'))

        self.assertTrue(is_derived_from(ObjectsFem.makeMeshResult(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshResult(doc), 'Fem::FemMeshObjectPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeMeshResult(doc), 'Fem::FemMeshResult'))

        self.assertTrue(is_derived_from(ObjectsFem.makeResultMechanical(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeResultMechanical(doc), 'Fem::FemResultObjectPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeResultMechanical(doc), 'Fem::FemResultMechanical'))

        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc), 'Fem::FemSolverObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc), 'Fem::FemSolverObjectPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculixCcxTools(doc), 'Fem::FemSolverCalculixCcxTools'))

        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculix(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculix(doc), 'Fem::FemSolverObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculix(doc), 'Fem::FemSolverObjectPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverCalculix(doc), 'Fem::FemSolverObjectCalculix'))

        self.assertTrue(is_derived_from(solverelmer, 'App::DocumentObject'))
        self.assertTrue(is_derived_from(solverelmer, 'Fem::FemSolverObject'))
        self.assertTrue(is_derived_from(solverelmer, 'Fem::FemSolverObjectPython'))
        self.assertTrue(is_derived_from(solverelmer, 'Fem::FemSolverObjectElmer'))

        self.assertTrue(is_derived_from(ObjectsFem.makeSolverZ88(doc), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverZ88(doc), 'Fem::FemSolverObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverZ88(doc), 'Fem::FemSolverObjectPython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeSolverZ88(doc), 'Fem::FemSolverObjectZ88'))

        self.assertTrue(is_derived_from(ObjectsFem.makeEquationElasticity(doc, solverelmer), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationElasticity(doc, solverelmer), 'App::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationElasticity(doc, solverelmer), 'Fem::FemEquationElmerElasticity'))

        self.assertTrue(is_derived_from(ObjectsFem.makeEquationElectrostatic(doc, solverelmer), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationElectrostatic(doc, solverelmer), 'App::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationElectrostatic(doc, solverelmer), 'Fem::FemEquationElmerElectrostatic'))

        self.assertTrue(is_derived_from(ObjectsFem.makeEquationFlow(doc, solverelmer), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationFlow(doc, solverelmer), 'App::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationFlow(doc, solverelmer), 'Fem::FemEquationElmerFlow'))

        self.assertTrue(is_derived_from(ObjectsFem.makeEquationFluxsolver(doc, solverelmer), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationFluxsolver(doc, solverelmer), 'App::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationFluxsolver(doc, solverelmer), 'Fem::FemEquationElmerFluxsolver'))

        self.assertTrue(is_derived_from(ObjectsFem.makeEquationHeat(doc, solverelmer), 'App::DocumentObject'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationHeat(doc, solverelmer), 'App::FeaturePython'))
        self.assertTrue(is_derived_from(ObjectsFem.makeEquationHeat(doc, solverelmer), 'Fem::FemEquationElmerHeat'))
Пример #41
0
def setup_cantileverbase(doc=None, solver='ccxtools'):
    # setup CalculiX cantilever base model

    if doc is None:
        doc = init_doc()

    # part
    box_obj = doc.addObject('Part::Box', 'Box')
    box_obj.Height = box_obj.Width = 1000
    box_obj.Length = 8000

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, 'Analysis')

    solver
    # TODO How to pass multiple solver for one analysis in one doc
    if solver is None:
        pass  # no solver is added
    elif solver is 'calculix':
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, 'SolverCalculiX'))[0]
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
    elif solver is 'ccxtools':
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, 'CalculiXccxTools'))[0]
        solver_object.AnalysisType = 'static'
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.WorkingDir = u''
    elif solver is 'elmer':
        analysis.addObject(ObjectsFem.makeSolverElmer(doc, 'SolverElmer'))
    elif solver is 'z88':
        analysis.addObject(ObjectsFem.makeSolverZ88(doc, 'SolverZ88'))

    # material
    material_object = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, 'FemMaterial'))[0]
    mat = material_object.Material
    mat['Name'] = "CalculiX-Steel"
    mat['YoungsModulus'] = "210000 MPa"
    mat['PoissonRatio'] = "0.30"
    mat['Density'] = "7900 kg/m^3"
    mat['ThermalExpansionCoefficient'] = "0.012 mm/m/K"
    material_object.Material = mat

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
    fixed_constraint.References = [(doc.Box, "Face1")]

    # mesh
    from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        print('ERROR on creating nodes')
    control = create_elements(fem_mesh)
    if not control:
        print('ERROR on creating elements')
    femmesh_obj = analysis.addObject(
        doc.addObject('Fem::FemMeshObject', mesh_name))[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #42
0
def setup(doc=None, solvertype="ccxtools"):
    # setup model

    if doc is None:
        doc = init_doc()

    # part
    # create a CompSolid of two Boxes extract the CompSolid
    # we are able to remesh if needed
    boxlow = doc.addObject("Part::Box", "BoxLower")
    boxupp = doc.addObject("Part::Box", "BoxUpper")
    boxupp.Placement.Base = (0, 0, 10)

    # for BooleanFragments Occt >=6.9 is needed
    """
    import BOPTools.SplitFeatures
    bf = BOPTools.SplitFeatures.makeBooleanFragments(name="BooleanFragments")
    bf.Objects = [boxlow, boxupp]
    bf.Mode = "CompSolid"
    self.active_doc.recompute()
    bf.Proxy.execute(bf)
    bf.purgeTouched()
    for obj in bf.ViewObject.Proxy.claimChildren():
        obj.ViewObject.hide()
    self.active_doc.recompute()
    import CompoundTools.CompoundFilter
    cf = CompoundTools.CompoundFilter.makeCompoundFilter(name="MultiMatCompSolid")
    cf.Base = bf
    cf.FilterType = "window-volume"
    cf.Proxy.execute(cf)
    cf.purgeTouched()
    cf.Base.ViewObject.hide()
    """
    doc.recompute()

    if FreeCAD.GuiUp:
        import FreeCADGui
        FreeCADGui.ActiveDocument.activeView().viewAxonometric()
        FreeCADGui.SendMsgToActiveView("ViewFit")

    # analysis
    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")

    # solver
    if solvertype == "calculix":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
        )[0]
    elif solvertype == "ccxtools":
        solver_object = analysis.addObject(
            ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
        )[0]
        solver_object.WorkingDir = u""
    if solvertype == "calculix" or solvertype == "ccxtools":
        solver_object.SplitInputWriter = False
        solver_object.AnalysisType = "static"
        solver_object.GeometricalNonlinearity = "linear"
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = "default"
        solver_object.IterationsControlParameterTimeUse = False

    # material
    material_object_low = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialLow")
    )[0]
    mat = material_object_low.Material
    mat["Name"] = "Aluminium-Generic"
    mat["YoungsModulus"] = "70000 MPa"
    mat["PoissonRatio"] = "0.35"
    mat["Density"] = "2700  kg/m^3"
    material_object_low.Material = mat
    material_object_low.References = [(boxlow, "Solid1")]
    analysis.addObject(material_object_low)

    material_object_upp = analysis.addObject(
        ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialUpp")
    )[0]
    mat = material_object_upp.Material
    mat["Name"] = "Steel-Generic"
    mat["YoungsModulus"] = "200000 MPa"
    mat["PoissonRatio"] = "0.30"
    mat["Density"] = "7980 kg/m^3"
    material_object_upp.Material = mat
    material_object_upp.References = [(boxupp, "Solid1")]

    # fixed_constraint
    fixed_constraint = analysis.addObject(
        ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed")
    )[0]
    # fixed_constraint.References = [(cf, "Face3")]
    fixed_constraint.References = [(boxlow, "Face5")]

    # pressure_constraint
    pressure_constraint = analysis.addObject(
        ObjectsFem.makeConstraintPressure(doc, "ConstraintPressure")
    )[0]
    # pressure_constraint.References = [(cf, "Face3")]
    pressure_constraint.References = [(boxlow, "Face5")]
    # pressure_constraint.References = [(cf, "Face9")]
    pressure_constraint.References = [(boxupp, "Face6")]
    pressure_constraint.Pressure = 1000.0
    pressure_constraint.Reversed = False

    # mesh
    from .meshes.mesh_boxes_2_vertikal_tetra10 import create_nodes, create_elements
    fem_mesh = Fem.FemMesh()
    control = create_nodes(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating nodes.\n")
    control = create_elements(fem_mesh)
    if not control:
        FreeCAD.Console.PrintError("Error on creating elements.\n")
    femmesh_obj = analysis.addObject(
        doc.addObject("Fem::FemMeshObject", mesh_name)
    )[0]
    femmesh_obj.FemMesh = fem_mesh

    doc.recompute()
    return doc
Пример #43
0
    def test_static_freq_analysis(self):
        # static
        fcc_print('--------------- Start of FEM tests ---------------')
        box = self.active_doc.addObject("Part::Box", "Box")
        fcc_print('Checking FEM new analysis...')
        analysis = ObjectsFem.makeAnalysis('Analysis')
        self.assertTrue(analysis, "FemTest of new analysis failed")

        fcc_print('Checking FEM new solver...')
        solver_object = ObjectsFem.makeSolverCalculix('CalculiX')
        solver_object.GeometricalNonlinearity = 'linear'
        solver_object.ThermoMechSteadyState = False
        solver_object.MatrixSolverType = 'default'
        solver_object.IterationsControlParameterTimeUse = False
        solver_object.EigenmodesCount = 10
        solver_object.EigenmodeHighLimit = 1000000.0
        solver_object.EigenmodeLowLimit = 0.0
        self.assertTrue(solver_object, "FemTest of new solver failed")
        analysis.Member = analysis.Member + [solver_object]

        fcc_print('Checking FEM new material...')
        new_material_object = ObjectsFem.makeMaterialSolid('MechanicalMaterial')
        mat = new_material_object.Material
        mat['Name'] = "Steel-Generic"
        mat['YoungsModulus'] = "200000 MPa"
        mat['PoissonRatio'] = "0.30"
        mat['Density'] = "7900 kg/m^3"
        new_material_object.Material = mat
        self.assertTrue(new_material_object, "FemTest of new material failed")
        analysis.Member = analysis.Member + [new_material_object]

        fcc_print('Checking FEM new fixed constraint...')
        fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "FemConstraintFixed")
        fixed_constraint.References = [(box, "Face1")]
        self.assertTrue(fixed_constraint, "FemTest of new fixed constraint failed")
        analysis.Member = analysis.Member + [fixed_constraint]

        fcc_print('Checking FEM new force constraint...')
        force_constraint = self.active_doc.addObject("Fem::ConstraintForce", "FemConstraintForce")
        force_constraint.References = [(box, "Face6")]
        force_constraint.Force = 40000.0
        force_constraint.Direction = (box, ["Edge5"])
        self.active_doc.recompute()
        force_constraint.Reversed = True
        self.active_doc.recompute()
        self.assertTrue(force_constraint, "FemTest of new force constraint failed")
        analysis.Member = analysis.Member + [force_constraint]

        fcc_print('Checking FEM new pressure constraint...')
        pressure_constraint = self.active_doc.addObject("Fem::ConstraintPressure", "FemConstraintPressure")
        pressure_constraint.References = [(box, "Face2")]
        pressure_constraint.Pressure = 1000.0
        pressure_constraint.Reversed = False
        self.assertTrue(pressure_constraint, "FemTest of new pressure constraint failed")
        analysis.Member = analysis.Member + [pressure_constraint]

        fcc_print('Checking FEM new mesh...')
        mesh = import_csv_mesh(mesh_points_file, mesh_volumes_file)
        mesh_object = self.active_doc.addObject('Fem::FemMeshObject', mesh_name)
        mesh_object.FemMesh = mesh
        self.assertTrue(mesh, "FemTest of new mesh failed")
        analysis.Member = analysis.Member + [mesh_object]

        self.active_doc.recompute()

        fea = FemToolsCcx.FemToolsCcx(analysis, solver_object, test_mode=True)
        fcc_print('Setting up working directory {}'.format(static_analysis_dir))
        fea.setup_working_dir(static_analysis_dir)
        self.assertTrue(True if fea.working_dir == static_analysis_dir else False,
                        "Setting working directory {} failed".format(static_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for static analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "FemToolsCcx check_prerequisites returned error message: {}".format(error))

        fcc_print('Checking FEM inp file write...')

        fcc_print('Setting analysis type to \'static\"')
        fea.set_analysis_type("static")
        self.assertTrue(True if fea.analysis_type == 'static' else False, "Setting anlysis type to \'static\' failed")

        fcc_print('Writing {}/{}.inp for static analysis'.format(static_analysis_dir, mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file, static_analysis_dir, mesh_name))
        ret = compare_inp_files(static_analysis_inp_file, static_analysis_dir + "/" + mesh_name + '.inp')
        self.assertFalse(ret, "FemToolsCcx write_inp_file test failed.\n{}".format(ret))

        fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(test_file_dir))
        fea.setup_working_dir(test_file_dir)
        self.assertTrue(True if fea.working_dir == test_file_dir else False,
                        "Setting working directory {} failed".format(test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format('cube_static'))
        fea.set_base_name(static_base_name)
        self.assertTrue(True if fea.base_name == static_base_name else False,
                        "Setting base name to {} failed".format(static_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format('cube_static'))
        fea.set_inp_file_name()
        self.assertTrue(True if fea.inp_file_name == static_analysis_inp_file else False,
                        "Setting inp file name to {} failed".format(static_analysis_inp_file))

        fcc_print('Checking FEM frd file read from static analysis...')
        fea.load_results()
        self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for static analysis...')
        ret = compare_stats(fea, static_expected_values)
        self.assertFalse(ret, "Invalid results read from .frd file")

        fcc_print('Save FreeCAD file for static analysis to {}...'.format(static_save_fc_file))
        self.active_doc.saveAs(static_save_fc_file)

        # frequency
        fcc_print('Setting analysis type to \'frequency\"')
        fea.set_analysis_type("frequency")
        self.assertTrue(True if fea.analysis_type == 'frequency' else False, "Setting anlysis type to \'frequency\' failed")

        fcc_print('Setting up working directory to {} in order to write frequency calculations'.format(frequency_analysis_dir))
        fea.setup_working_dir(frequency_analysis_dir)
        self.assertTrue(True if fea.working_dir == frequency_analysis_dir else False,
                        "Setting working directory {} failed".format(frequency_analysis_dir))

        fcc_print('Checking FEM inp file prerequisites for frequency analysis...')
        error = fea.check_prerequisites()
        self.assertFalse(error, "FemToolsCcx check_prerequisites returned error message: {}".format(error))

        fcc_print('Writing {}/{}.inp for frequency analysis'.format(frequency_analysis_dir, mesh_name))
        error = fea.write_inp_file()
        self.assertFalse(error, "Writing failed")

        fcc_print('Comparing {} to {}/{}.inp'.format(frequency_analysis_inp_file, frequency_analysis_dir, mesh_name))
        ret = compare_inp_files(frequency_analysis_inp_file, frequency_analysis_dir + "/" + mesh_name + '.inp')
        self.assertFalse(ret, "FemToolsCcx write_inp_file test failed.\n{}".format(ret))

        fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(test_file_dir))
        fea.setup_working_dir(test_file_dir)
        self.assertTrue(True if fea.working_dir == test_file_dir else False,
                        "Setting working directory {} failed".format(test_file_dir))

        fcc_print('Setting base name to read test {}.frd file...'.format(frequency_base_name))
        fea.set_base_name(frequency_base_name)
        self.assertTrue(True if fea.base_name == frequency_base_name else False,
                        "Setting base name to {} failed".format(frequency_base_name))

        fcc_print('Setting inp file name to read test {}.frd file...'.format('cube_frequency'))
        fea.set_inp_file_name()
        self.assertTrue(True if fea.inp_file_name == frequency_analysis_inp_file else False,
                        "Setting inp file name to {} failed".format(frequency_analysis_inp_file))

        fcc_print('Checking FEM frd file read from frequency analysis...')
        fea.load_results()
        self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))

        fcc_print('Reading stats from result object for frequency analysis...')
        ret = compare_stats(fea, frequency_expected_values)
        self.assertFalse(ret, "Invalid results read from .frd file")

        fcc_print('Save FreeCAD file for frequency analysis to {}...'.format(frequency_save_fc_file))
        self.active_doc.saveAs(frequency_save_fc_file)

        fcc_print('--------------- End of FEM tests static and frequency analysis ---------------')