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
cube = doc.addObject("Part::Box", "Cube")
cube.Height = "20 mm"
cube.Length = "100 mm"
cylinder = doc.addObject("Part::Cylinder", "Cylinder")
cylinder.Height = "20 mm"
cylinder.Radius = "6 mm"
cylinder.Placement = FreeCAD.Placement(
Vector(10, 12, 10),
Rotation(0, 0, 90),
Vector(0, 0, 0),
)
cut = doc.addObject("Part::Cut", "Cut")
cut.Base = cube
cut.Tool = cylinder
# mirroring
mirror = doc.addObject("Part::Mirroring", "Mirror")
mirror.Source = cut
mirror.Normal = (1, 0, 0)
mirror.Base = (100, 100, 20)
# fusing
fusion = doc.addObject("Part::Fuse", "Fusion")
fusion.Base = cut
fusion.Tool = mirror
fusion.Refine = True
# compound filter
geom_obj = CompoundFilter.makeCompoundFilter(name='CompoundFilter')
geom_obj.Base = fusion
geom_obj.FilterType = 'window-volume'
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.Base.ViewObject.hide()
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)
# material
material_obj = ObjectsFem.makeMaterialSolid(doc, "FemMaterial")
mat = material_obj.Material
mat["Name"] = "CalculiX-Steel"
mat["YoungsModulus"] = "210000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj.Material = mat
analysis.addObject(material_obj)
# constraint pressure
con_pressure = ObjectsFem.makeConstraintPressure(
doc, name="FemConstraintPressure")
con_pressure.References = [(geom_obj, "Face8")]
con_pressure.Pressure = 10.0
con_pressure.Reversed = False
analysis.addObject(con_pressure)
# constraint displacement
con_disp = ObjectsFem.makeConstraintDisplacement(
doc, name="FemConstraintDisplacment")
con_disp.References = [(geom_obj, "Face4"), (geom_obj, "Face5")]
con_disp.xFree = False
con_disp.xFix = True
analysis.addObject(con_disp)
# constraints transform
con_transform1 = ObjectsFem.makeConstraintTransform(
doc, name="FemConstraintTransform1")
con_transform1.References = [(geom_obj, "Face4")]
con_transform1.TransformType = "Cylindrical"
con_transform1.X_rot = 0.0
con_transform1.Y_rot = 0.0
con_transform1.Z_rot = 0.0
analysis.addObject(con_transform1)
con_transform2 = ObjectsFem.makeConstraintTransform(
doc, name="FemConstraintTransform2")
con_transform2.References = [(geom_obj, "Face5")]
con_transform2.TransformType = "Cylindrical"
con_transform2.X_rot = 0.0
con_transform2.Y_rot = 0.0
con_transform2.Z_rot = 0.0
analysis.addObject(con_transform2)
# mesh
from .meshes.mesh_transform_beam_hinged_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.CharacteristicLengthMax = '7 mm'
doc.recompute()
return doc
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
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 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()
doc.recompute()
if FreeCAD.GuiUp:
for child in bf.ViewObject.Proxy.claimChildren():
child.ViewObject.hide()
# 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:
bf.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_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)
# materials
material_obj_low = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialLow")
mat = material_obj_low.Material
mat["Name"] = "Aluminium-Generic"
mat["YoungsModulus"] = "70000 MPa"
mat["PoissonRatio"] = "0.35"
material_obj_low.Material = mat
material_obj_low.References = [(boxlow, "Solid1")]
analysis.addObject(material_obj_low)
material_obj_upp = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialUpp")
mat = material_obj_upp.Material
mat["Name"] = "Steel-Generic"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj_upp.Material = mat
material_obj_upp.References = [(boxupp, "Solid1")]
analysis.addObject(material_obj_upp)
# constraint fixed
con_fixed = ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed")
con_fixed.References = [(geom_obj, "Face5")]
analysis.addObject(con_fixed)
# constraint pressure
con_pressure = ObjectsFem.makeConstraintPressure(doc, "ConstraintPressure")
con_pressure.References = [(geom_obj, "Face11")]
con_pressure.Pressure = 1000.0
con_pressure.Reversed = False
analysis.addObject(con_pressure)
# 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, get_meshname()))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
doc.recompute()
return doc