def __init__(self, analysis_obj): super(CfdCaseWriterFoam, self).__init__() """ analysis_obj should contains all the information needed, boundaryConditionList is a list of all boundary Conditions objects(FemConstraint) """ self.analysis_obj = analysis_obj self.solver_obj = CfdTools.getSolver(analysis_obj) self.physics_model, isPresent = CfdTools.getPhysicsModel(analysis_obj) self.mesh_obj = CfdTools.getMesh(analysis_obj) self.material_objs = CfdTools.getMaterials(analysis_obj) self.bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj) self.initial_conditions, isPresent = CfdTools.getInitialConditions( analysis_obj) self.porousZone_objs, self.porousZonePresent = CfdTools.getPorousObjects( analysis_obj) self.alphaZone_objs = CfdTools.getAlphaObjects(analysis_obj) self.zone_objs = CfdTools.getZoneObjects(analysis_obj) self.mesh_generated = False self.signals = CfdCaseWriterSignals() if len(self.alphaZone_objs) > 0: self.physics_model['Time'] = 'Transient' # TODO: remove this code and add GUI support for transient simulations self.solver_obj.TimeStep = 0.001 self.solver_obj.WriteInterval = 0.05 self.solver_obj.EndTime = 1
def __init__(self, analysis_obj): self.analysis_obj = analysis_obj self.solver_obj = CfdTools.getSolver(analysis_obj) self.physics_model = CfdTools.getPhysicsModel(analysis_obj) self.mesh_obj = CfdTools.getMesh(analysis_obj) self.material_objs = CfdTools.getMaterials(analysis_obj) self.bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj) self.initial_conditions = CfdTools.getInitialConditions(analysis_obj) self.porousZone_objs = CfdTools.getPorousZoneObjects(analysis_obj) self.initialisationZone_objs = CfdTools.getInitialisationZoneObjects(analysis_obj) self.zone_objs = CfdTools.getZoneObjects(analysis_obj) self.mesh_generated = False self.working_dir = CfdTools.getOutputPath(self.analysis_obj)
def __init__(self, analysis_obj): self.analysis_obj = analysis_obj self.solver_obj = CfdTools.getSolver(analysis_obj) self.physics_model, isPresent = CfdTools.getPhysicsModel(analysis_obj) self.mesh_obj = CfdTools.getMesh(analysis_obj) self.material_objs = CfdTools.getMaterials(analysis_obj) self.bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj) self.initial_conditions, isPresent = CfdTools.getInitialConditions(analysis_obj) self.porousZone_objs = CfdTools.getPorousZoneObjects(analysis_obj) self.initialisationZone_objs = CfdTools.getInitialisationZoneObjects(analysis_obj) self.zone_objs = CfdTools.getZoneObjects(analysis_obj) self.conversion2D_obj,self.conversionObjPresent = CfdTools.get2DConversionObject(analysis_obj) self.mesh_generated = False
def setEdit(self, vobj, mode): analysis_object = CfdTools.getParentAnalysisObject(self.Object) if analysis_object is None: CfdTools.cfdError("No parent analysis object found") return False physics_model, is_present = CfdTools.getPhysicsModel(analysis_object) if not is_present: CfdTools.cfdError("Analysis object must have a physics object") return False boundaries = CfdTools.getCfdBoundaryGroup(analysis_object) import _TaskPanelCfdInitialiseInternalFlowField taskd = _TaskPanelCfdInitialiseInternalFlowField._TaskPanelCfdInitialiseInternalFlowField( self.Object, physics_model, boundaries) taskd.obj = vobj.Object FreeCADGui.Control.showDialog(taskd) return True
def __init__(self, analysis_obj): super(CfdCaseWriterFoam, self).__init__() self.analysis_obj = analysis_obj self.solver_obj = CfdTools.getSolver(analysis_obj) self.physics_model, isPresent = CfdTools.getPhysicsModel(analysis_obj) self.mesh_obj = CfdTools.getMesh(analysis_obj) self.material_objs = CfdTools.getMaterials(analysis_obj) self.bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj) self.initial_conditions, isPresent = CfdTools.getInitialConditions( analysis_obj) self.porousZone_objs = CfdTools.getPorousZoneObjects(analysis_obj) self.initialisationZone_objs = CfdTools.getInitialisationZoneObjects( analysis_obj) self.zone_objs = CfdTools.getZoneObjects(analysis_obj) self.mesh_generated = False self.signals = CfdCaseWriterSignals()
def processDimension(self): """ Additional checking/processing for 2D vs 3D """ # 3D cfMesh and snappyHexMesh, and 2D by conversion, while in future cfMesh may support 2D directly if self.dimension != '3D' and self.dimension != '2D': FreeCAD.Console.PrintError( 'Invalid element dimension. Setting to 3D.') self.dimension = '3D' print(' ElementDimension: ' + self.dimension) # Check for 2D boundaries twoDPlanes = [] analysis_obj = CfdTools.getParentAnalysisObject(self.mesh_obj) if not analysis_obj: analysis_obj = CfdTools.getActiveAnalysis() if analysis_obj: boundaries = CfdTools.getCfdBoundaryGroup(analysis_obj) for b in boundaries: if b.BoundaryType == 'constraint' and \ b.BoundarySubType == 'twoDBoundingPlane': twoDPlanes.append(b.Name) if self.dimension == '2D': self.two_d_settings['ConvertTo2D'] = True if len(twoDPlanes) != 2: raise RuntimeError( "For 2D meshing, two separate, parallel, 2D bounding planes must be present as " "boundary conditions in the CFD analysis object.") doc_name = str(analysis_obj.Document.Name) fFObjName = twoDPlanes[0] bFObjName = twoDPlanes[1] frontObj = FreeCAD.getDocument(doc_name).getObject(fFObjName) backObj = FreeCAD.getDocument(doc_name).getObject(bFObjName) fShape = frontObj.Shape bShape = backObj.Shape if len(fShape.Faces) == 0 or len(bShape.Faces) == 0: raise RuntimeError("A 2D bounding plane is empty.") else: allFFacesPlanar = True allBFacesPlanar = True for faces in fShape.Faces: if not isinstance(faces.Surface, Part.Plane): allFFacesPlanar = False break for faces in bShape.Faces: if not isinstance(faces.Surface, Part.Plane): allBFacesPlanar = False break if allFFacesPlanar and allBFacesPlanar: A1 = fShape.Faces[0].Surface.Axis A1.multiply(1.0 / A1.Length) A2 = bShape.Faces[0].Surface.Axis A2.multiply(1.0 / A2.Length) if (A1 - A2).Length <= 1e-6 or (A1 + A2).Length <= 1e-6: if len(frontObj.Shape.Vertexes) == len(backObj.Shape.Vertexes) and \ len(frontObj.Shape.Vertexes) > 0 and \ abs(frontObj.Shape.Area) > 0 and \ abs(frontObj.Shape.Area - backObj.Shape.Area)/abs(frontObj.Shape.Area) < 1e-6: self.two_d_settings[ 'Distance'] = fShape.distToShape( bShape)[0] / 1000 else: raise RuntimeError( "2D bounding planes do not match up.") else: raise RuntimeError( "2D bounding planes are not aligned.") else: raise RuntimeError( "2D bounding planes need to be flat surfaces.") case = CfdCaseWriterFoam.CfdCaseWriterFoam(analysis_obj) case.settings = {} case.settings['createPatchesFromSnappyBaffles'] = False case.setupPatchNames() keys = list(case.settings['createPatches'].keys()) frontPatchIndex = keys.index(frontObj.Label) self.two_d_settings['FrontFaceList'] = case.settings[ 'createPatches'][keys[frontPatchIndex]]['PatchNamesList'] backPatchIndex = keys.index(backObj.Label) self.two_d_settings['BackFaceList'] = case.settings[ 'createPatches'][keys[backPatchIndex]]['PatchNamesList'] if not self.two_d_settings[ 'BackFaceList'] or not self.two_d_settings['FrontFaceList']: raise RuntimeError( "2D front and/or back plane(s) could not be found in the shape being meshed." ) self.two_d_settings['BackFace'] = self.two_d_settings[ 'BackFaceList'][0] else: self.two_d_settings['ConvertTo2D'] = False if len(twoDPlanes): raise RuntimeError( "2D bounding planes can not be used in 3D mesh")
def processRefinements(self): """ Process mesh refinements """ mr_objs = CfdTools.getMeshRefinementObjs(self.mesh_obj) if self.mesh_obj.MeshUtility == "gmsh": # mesh regions self.ele_length_map = {} # { 'ElementString' : element length } self.ele_node_map = {} # { 'ElementString' : [element nodes] } if not mr_objs: print(' No mesh refinements') else: print(' Mesh refinements found - getting elements') if self.part_obj.Shape.ShapeType == 'Compound': # see http://forum.freecadweb.org/viewtopic.php?f=18&t=18780&start=40#p149467 and http://forum.freecadweb.org/viewtopic.php?f=18&t=18780&p=149520#p149520 err = "GMSH could return unexpected meshes for a boolean split tools Compound. It is strongly recommended to extract the shape to mesh from the Compound and use this one." FreeCAD.Console.PrintError(err + "\n") for mr_obj in mr_objs: if mr_obj.RelativeLength: if mr_obj.References: for sub in mr_obj.References: # Check if the shape of the mesh region is an element of the Part to mesh; # if not try to find the element in the shape to mesh search_ele_in_shape_to_mesh = False ref = FreeCAD.ActiveDocument.getObject(sub[0]) if not self.part_obj.Shape.isSame(ref.Shape): search_ele_in_shape_to_mesh = True elems = sub[1] if search_ele_in_shape_to_mesh: # Try to find the element in the Shape to mesh ele_shape = FemGeomTools.get_element( ref, elems ) # the method getElement(element) does not return Solid elements found_element = CfdTools.findElementInShape( self.part_obj.Shape, ele_shape) if found_element: elems = found_element else: FreeCAD.Console.PrintError( "One element of the meshregion " + mr_obj.Name + " could not be found in the Part to mesh. It will be ignored.\n" ) elems = None if elems: if elems not in self.ele_length_map: # self.ele_length_map[elems] = Units.Quantity(mr_obj.CharacteristicLength).Value mr_rellen = mr_obj.RelativeLength if mr_rellen > 1.0: mr_rellen = 1.0 FreeCAD.Console.PrintError( "The meshregion: " + mr_obj.Name + " should not use a relative length greater than unity.\n" ) elif mr_rellen < 0.01: mr_rellen = 0.01 # Relative length should not be less than 1/100 of base length FreeCAD.Console.PrintError( "The meshregion: " + mr_obj.Name + " should not use a relative length smaller than 0.01.\n" ) self.ele_length_map[ elems] = mr_rellen * self.clmax else: FreeCAD.Console.PrintError( "The element " + elems + " of the mesh refinement " + mr_obj.Name + " has been added to another mesh refinement.\n" ) else: FreeCAD.Console.PrintError( "The meshregion: " + mr_obj.Name + " is not used to create the mesh because the reference list is empty.\n" ) else: FreeCAD.Console.PrintError( "The meshregion: " + mr_obj.Name + " is not used to create the mesh because the CharacteristicLength is 0.0 mm.\n" ) for eleml in self.ele_length_map: ele_shape = FemGeomTools.get_element( self.part_obj, eleml ) # the method getElement(element) does not return Solid elements ele_vertexes = FemGeomTools.get_vertexes_by_element( self.part_obj.Shape, ele_shape) self.ele_node_map[eleml] = ele_vertexes else: cf_settings = self.cf_settings cf_settings['MeshRegions'] = {} cf_settings['BoundaryLayers'] = {} cf_settings['InternalRegions'] = {} snappy_settings = self.snappy_settings snappy_settings['MeshRegions'] = {} snappy_settings['InternalRegions'] = {} # Make list of all faces in meshed shape with original index mesh_face_list = list( zip(self.mesh_obj.Part.Shape.Faces, range(len(self.mesh_obj.Part.Shape.Faces)))) # Make list of all boundary references CfdTools.cfdMessage("Matching boundary patches\n") bc_group = None analysis_obj = CfdTools.getParentAnalysisObject(self.mesh_obj) if not analysis_obj: analysis_obj = CfdTools.getActiveAnalysis() if analysis_obj: bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj) boundary_face_list = [] for bc_id, bc_obj in enumerate(bc_group): for ri, ref in enumerate(bc_obj.References): try: bf = CfdTools.resolveReference(ref) except RuntimeError as re: raise RuntimeError( "Error processing boundary condition {}: {}". format(bc_obj.Label, str(re))) boundary_face_list.append((bf, (bc_id, ref, ri))) # Match them up to faces in the main geometry bc_matched_faces = CfdTools.matchFaces(boundary_face_list, mesh_face_list) # Make list of all boundary layer mesh regions for cfMesh bl_matched_faces = [] if self.mesh_obj.MeshUtility == 'cfMesh': CfdTools.cfdMessage("Matching boundary layer regions\n") bl_face_list = [] for mr_id, mr_obj in enumerate(mr_objs): if mr_obj.NumberLayers > 1 and not mr_obj.Internal: for ri, r in enumerate(mr_obj.References): try: f = CfdTools.resolveReference(r) except RuntimeError as re: raise RuntimeError( "Error processing mesh refinement {}: {}". format(mr_obj.Label, str(re))) bl_face_list.append((f, (mr_id, r, ri))) # Match them up bl_matched_faces = CfdTools.matchFaces(bl_face_list, mesh_face_list) # Check for and filter duplicates bc_match_per_shape_face = [-1] * len(mesh_face_list) for k in range(len(bc_matched_faces)): match = bc_matched_faces[k][1] prev_k = bc_match_per_shape_face[match] if prev_k >= 0: nb, bref, ri = bc_matched_faces[k][0] nb2, bref2, ri2 = bc_matched_faces[prev_k][0] CfdTools.cfdMessage( "Boundary '{}' reference {}:{} also assigned as " "boundary '{}' reference {}:{} - ignoring duplicate\n". format(bc_group[nb].Label, bref[0], bref[1], bc_group[nb2].Label, bref2[0], bref2[1])) else: bc_match_per_shape_face[match] = k bl_match_per_shape_face = [-1] * len(mesh_face_list) for k in range(len(bl_matched_faces)): match = bl_matched_faces[k][1] prev_k = bl_match_per_shape_face[match] if prev_k >= 0: nr, ref, ri = bl_matched_faces[k][0] nr2, ref2, ri2 = bl_matched_faces[prev_k][0] CfdTools.cfdMessage( "Mesh refinement '{}' reference {}:{} also assigned as " "mesh refinement '{}' reference {}:{} - ignoring duplicate\n" .format(mr_objs[nr].Label, ref[0], ref[1], mr_objs[nr2].Label, ref2[0], ref2[1])) else: bl_match_per_shape_face[match] = k self.patch_faces = [] self.patch_names = [] for k in range(len(bc_group) + 1): self.patch_faces.append([]) self.patch_names.append([]) for l in range(len(mr_objs) + 1): self.patch_faces[k].append([]) self.patch_names[k].append("patch_" + str(k) + "_" + str(l)) for i in range(len(mesh_face_list)): k = bc_match_per_shape_face[i] l = bl_match_per_shape_face[i] nb = -1 nr = -1 if k >= 0: nb, bref, bri = bc_matched_faces[k][0] if l >= 0: nr, ref, rri = bl_matched_faces[l][0] self.patch_faces[nb + 1][nr + 1].append(i) # Additionally for snappy, match baffles to any surface mesh refinements # as well as matching each surface mesh refinement region to boundary conditions mr_face_list = [] bc_mr_matched_faces = [] if self.mesh_obj.MeshUtility == 'snappyHexMesh': CfdTools.cfdMessage("Matching surface geometries\n") for mr_id, mr_obj in enumerate(mr_objs): if not mr_obj.Internal: for ri, r in enumerate(mr_obj.References): try: f = CfdTools.resolveReference(r) except RuntimeError as re: raise RuntimeError( "Error processing mesh refinement {}: {}". format(mr_obj.Label, str(re))) mr_face_list.append((f, (mr_id, r, ri))) # Match mesh regions to the boundary conditions, to identify boundary conditions on supplementary # geometry (including on baffles) bc_mr_matched_faces = CfdTools.matchFaces( boundary_face_list, mr_face_list) for bc_id, bc_obj in enumerate(bc_group): if bc_obj.BoundaryType == 'baffle': baffle_matches = [ m for m in bc_mr_matched_faces if m[0][0] == bc_id ] mr_match_per_baffle_ref = [-1] * len(bc_obj.References) for m in baffle_matches: mr_match_per_baffle_ref[m[0][2]] = m[1][0] # For each mesh region, the refs that are part of this baffle baffle_patch_refs = [[] for ri in range(len(mr_objs) + 1)] for ri, mri in enumerate(mr_match_per_baffle_ref): baffle_patch_refs[mri + 1].append( bc_obj.References[ri]) # Write these geometries for ri, refs in enumerate(baffle_patch_refs): try: shape = CfdTools.makeShapeFromReferences(refs) except RuntimeError as re: raise RuntimeError( "Error processing baffle {}: {}".format( bc_obj.Label, str(re))) solid_name = bc_obj.Name + "_" + str(ri) if shape: CfdTools.cfdMessage( "Triangulating baffle {}, section {} ...". format(bc_obj.Label, ri)) facemesh = MeshPart.meshFromShape( shape, LinearDeflection=self.mesh_obj. STLLinearDeflection) CfdTools.cfdMessage(" writing to file\n") with open( os.path.join(self.triSurfaceDir, solid_name + '.stl'), 'w') as fid: CfdTools.writePatchToStl( solid_name, facemesh, fid, self.scale) if ri > 0: # The parts of the baffle corresponding to a surface mesh region obj mr_obj = mr_objs[ri - 1] refinement_level = CfdTools.relLenToRefinementLevel( mr_obj.RelativeLength) edge_level = CfdTools.relLenToRefinementLevel( mr_obj.RegionEdgeRefinement) else: # The parts of the baffle with no refinement obj refinement_level = 0 edge_level = 0 snappy_settings['MeshRegions'][solid_name] = { 'RefinementLevel': refinement_level, 'EdgeRefinementLevel': edge_level, 'MaxRefinementLevel': max(refinement_level, edge_level), 'Baffle': True } mr_matched_faces = [] if self.mesh_obj.MeshUtility == 'snappyHexMesh': # Match mesh regions to the primary geometry mr_matched_faces = CfdTools.matchFaces(mr_face_list, mesh_face_list) for mr_id, mr_obj in enumerate(mr_objs): Internal = mr_obj.Internal mr_rellen = mr_obj.RelativeLength if mr_rellen > 1.0: mr_rellen = 1.0 FreeCAD.Console.PrintError( "The mesh refinement region '{}' should not use a relative length greater " "than unity.\n".format(mr_obj.Name)) elif mr_rellen < 0.001: mr_rellen = 0.001 # Relative length should not be less than 0.1% of base length FreeCAD.Console.PrintError( "The mesh refinement region '{}' should not use a relative length smaller " "than 0.001.\n".format(mr_obj.Name)) # Find any matches with boundary conditions; mark those matching baffles for removal bc_matches = [ m for m in bc_mr_matched_faces if m[1][0] == mr_id ] bc_match_per_mr_ref = [-1] * len(mr_obj.References) for m in bc_matches: bc_match_per_mr_ref[m[1][2]] = -2 if bc_group[ m[0][0]].BoundaryType == 'baffle' else m[0][0] # Unmatch those in primary geometry main_geom_matches = [ m for m in mr_matched_faces if m[0][0] == mr_id ] for m in main_geom_matches: bc_match_per_mr_ref[m[0][2]] = -1 # For each boundary, the refs that are part of this mesh region mr_patch_refs = [[] for ri in range(len(bc_group) + 1)] for ri, bci in enumerate(bc_match_per_mr_ref): if bci > -2: mr_patch_refs[bci + 1].append(mr_obj.References[ri]) # Loop over and write the sub-sections of this mesh object for bi in range(len(mr_patch_refs)): if len(mr_patch_refs[bi]): if bi == 0: mr_patch_name = mr_obj.Name else: mr_patch_name = self.patch_names[bi][mr_id + 1] CfdTools.cfdMessage( "Triangulating mesh refinement region {}, section {} ..." .format(mr_obj.Label, bi)) try: shape = CfdTools.makeShapeFromReferences( mr_patch_refs[bi]) except RuntimeError as re: raise RuntimeError( "Error processing mesh refinement region {}: {}" .format(mr_obj.Label, str(re))) if shape: facemesh = MeshPart.meshFromShape( shape, LinearDeflection=self.mesh_obj. STLLinearDeflection) CfdTools.cfdMessage(" writing to file\n") with open( os.path.join(self.triSurfaceDir, mr_patch_name + '.stl'), 'w') as fid: CfdTools.writePatchToStl( mr_patch_name, facemesh, fid, self.scale) if self.mesh_obj.MeshUtility == 'cfMesh': if not Internal: cf_settings['MeshRegions'][mr_patch_name] = { 'RelativeLength': mr_rellen * self.clmax * self.scale, 'RefinementThickness': self.scale * Units.Quantity( mr_obj.RefinementThickness).Value, } else: cf_settings['InternalRegions'][mr_obj.Name] = { 'RelativeLength': mr_rellen * self.clmax * self.scale } elif self.mesh_obj.MeshUtility == 'snappyHexMesh': refinement_level = CfdTools.relLenToRefinementLevel( mr_obj.RelativeLength) if not Internal: edge_level = CfdTools.relLenToRefinementLevel( mr_obj.RegionEdgeRefinement) snappy_settings['MeshRegions'][ mr_patch_name] = { 'RefinementLevel': refinement_level, 'EdgeRefinementLevel': edge_level, 'MaxRefinementLevel': max(refinement_level, edge_level), 'Baffle': False } else: snappy_settings['InternalRegions'][ mr_patch_name] = { 'RefinementLevel': refinement_level } # In addition, for cfMesh, record matched boundary layer patches if self.mesh_obj.MeshUtility == 'cfMesh' and mr_obj.NumberLayers > 1 and not Internal: for k in range(len(self.patch_faces)): # Limit expansion ratio to greater than 1.0 and less than 1.2 expratio = mr_obj.ExpansionRatio expratio = min(1.2, max(1.0, expratio)) cf_settings['BoundaryLayers'][ self.patch_names[k][mr_id]] = { 'NumberLayers': mr_obj.NumberLayers, 'ExpansionRatio': expratio, 'FirstLayerHeight': self.scale * Units.Quantity(mr_obj.FirstLayerHeight).Value }
def convertMesh(self): import tempfile import CfdCaseWriterFoam import CfdCartTools import TemplateBuilder import os if not (self.meshConverted): self.Start = time.time() self.Timer.start() self.console_log("Starting 3D to 2D mesh conversion ...") self.frontFaceName = self.form.comboBoxFront.currentText() self.backFaceName = self.form.comboBoxBack.currentText() tmpdir = tempfile.gettempdir() analysis_obj = FemGui.getActiveAnalysis() tmpdir = tempfile.gettempdir() self.meshCaseDir = os.path.join(tmpdir, "meshCase") self.meshObj = CfdTools.getMesh(analysis_obj) solver_obj = CfdTools.getSolver(analysis_obj) gmshMesh = False if self.meshObj.Proxy.Type == "Fem::FemMeshGmsh": # GMSH # Convert GMSH created UNV file to OpenFoam print("Writing GMSH UNV mesh to be converted to 2D mesh") unvMeshFile = self.meshCaseDir + os.path.sep + solver_obj.InputCaseName + u".unv" #try: if not os.path.exists(self.meshCaseDir): os.makedirs(self.meshCaseDir) bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj) self.mesh_generated = CfdTools.write_unv_mesh( self.meshObj, bc_group, unvMeshFile) gmshMesh = True frontFaceList = self.frontFaceName backFaceList = [self.backFaceName] else: case = CfdCaseWriterFoam.CfdCaseWriterFoam(analysis_obj) case.settings = {} case.settings['createPatchesFromSnappyBaffles'] = False case.setupPatchNames() keys = case.settings['createPatches'].keys() frontPatchIndex = keys.index(self.frontFaceName) frontFaceList = case.settings['createPatches'][ keys[frontPatchIndex]]['PatchNamesList'] backPatchIndex = keys.index(self.backFaceName) backFaceList = case.settings['createPatches'][ keys[backPatchIndex]]['PatchNamesList'] template_path = os.path.join(CfdTools.get_module_path(), "data", "defaultsMesh") settings = { 'ConvertTo2D': True, 'gmshMesh': gmshMesh, 'unvFileName': solver_obj.InputCaseName + u".unv", 'FrontFaceList': frontFaceList, 'BackFaceList': backFaceList[0], 'Distance': self.distance / 1000.0, 'TranslatedFoamPath': CfdTools.translatePath(CfdTools.getFoamDir(), ), 'MeshPath': self.meshCaseDir } TemplateBuilder.TemplateBuilder(self.meshCaseDir, template_path, settings) cmd = CfdTools.makeRunCommand('./ConvertMeshTo2D', self.meshCaseDir, source_env=False) #will fail silently in Windows fname = os.path.join(self.meshCaseDir, "ConvertMeshTo2D") import stat s = os.stat(fname) os.chmod(fname, s.st_mode | stat.S_IEXEC) FreeCAD.Console.PrintMessage("Executing: " + ' '.join(cmd) + "\n") env = QtCore.QProcessEnvironment.systemEnvironment() env_vars = CfdTools.getRunEnvironment() for key in env_vars: env.insert(key, env_vars[key]) self.conversion_process.setProcessEnvironment(env) self.conversion_process.start(cmd[0], cmd[1:]) if self.conversion_process.waitForStarted(): self.form.convertButton.setEnabled( False) # Prevent user running a second instance self.form.paraviewButton.setEnabled(False) else: self.console_log("Error starting meshing process", "#FF0000")