# # Tetrahedrization of the geometry generated by the Python script # SMESH_fixation.py # Hypothesis and algorithms for the mesh generation are global # import StdMeshers import NETGENPlugin import SMESH_fixation compshell = SMESH_fixation.compshell idcomp = SMESH_fixation.idcomp geompy = SMESH_fixation.geompy salome = SMESH_fixation.salome print "Analysis of the geometry to be meshed :" subShellList = geompy.SubShapeAll(compshell, geompy.ShapeType["SHELL"]) subFaceList = geompy.SubShapeAll(compshell, geompy.ShapeType["FACE"]) subEdgeList = geompy.SubShapeAll(compshell, geompy.ShapeType["EDGE"]) print "number of Shells in compshell : ", len(subShellList) print "number of Faces in compshell : ", len(subFaceList) print "number of Edges in compshell : ", len(subEdgeList) status = geompy.CheckShape(compshell) print " check status ", status ### ---------------------------- SMESH -------------------------------------- smesh = salome.lcc.FindOrLoadComponent("FactoryServer", "SMESH") smeshgui = salome.ImportComponentGUI("SMESH") smeshgui.Init(salome.myStudyId) print "-------------------------- create Hypothesis" print "-------------------------- NumberOfSegments" numberOfSegments = 5 hypNbSeg = smesh.CreateHypothesis("NumberOfSegments", "libStdMeshersEngine.so") hypNbSeg.SetNumberOfSegments(numberOfSegments) print hypNbSeg.GetName() print hypNbSeg.GetId() print hypNbSeg.GetNumberOfSegments() smeshgui.SetName(salome.ObjectToID(hypNbSeg), "NumberOfSegments_5") print "-------------------------- MaxElementArea" ## maxElementArea = 80 ## hypArea=smesh.CreateHypothesis("MaxElementArea") ## hypArea.SetMaxElementArea(maxElementArea) ## print hypArea.GetName() ## print hypArea.GetId() ## print hypArea.GetMaxElementArea() ## smeshgui.SetName(salome.ObjectToID(hypArea), "MaxElementArea_160") hypLengthFromEdges = smesh.CreateHypothesis("LengthFromEdges", "libStdMeshersEngine.so") smeshgui.SetName(salome.ObjectToID(hypLengthFromEdges), "LengthFromEdges") print "-------------------------- MaxElementVolume" maxElementVolume = 1000 hypVolume = smesh.CreateHypothesis("MaxElementVolume", "libStdMeshersEngine.so") hypVolume.SetMaxElementVolume(maxElementVolume) print hypVolume.GetName() print hypVolume.GetId() print hypVolume.GetMaxElementVolume() smeshgui.SetName(salome.ObjectToID(hypVolume), "MaxElementVolume_1000") print "-------------------------- create Algorithms" print "-------------------------- Regular_1D" regular1D = smesh.CreateHypothesis("Regular_1D", "libStdMeshersEngine.so") smeshgui.SetName(salome.ObjectToID(regular1D), "Wire Discretisation") print "-------------------------- MEFISTO_2D" mefisto2D = smesh.CreateHypothesis("MEFISTO_2D", "libStdMeshersEngine.so") smeshgui.SetName(salome.ObjectToID(mefisto2D), "MEFISTO_2D") print "-------------------------- NETGEN_3D" netgen3D = smesh.CreateHypothesis("NETGEN_3D", "libNETGENEngine.so") smeshgui.SetName(salome.ObjectToID(netgen3D), "NETGEN_3D") # ---- init a Mesh with the compshell mesh = smesh.CreateMesh(compshell) smeshgui.SetName(salome.ObjectToID(mesh), "MeshcompShel") print "-------------------------- add hypothesis to compshell" mesh.AddHypothesis(compshell,regular1D) mesh.AddHypothesis(compshell,hypNbSeg) mesh.AddHypothesis(compshell,mefisto2D) mesh.AddHypothesis(compshell,hypLengthFromEdges) mesh.AddHypothesis(compshell,netgen3D) mesh.AddHypothesis(compshell,hypVolume) salome.sg.updateObjBrowser(1) print "-------------------------- compute compshell" ret = smesh.Compute(mesh,compshell) print ret if ret != 0: log = mesh.GetLog(0) # no erase trace for linelog in log: print linelog print "Information about the MeshcompShel:" print "Number of nodes : ", mesh.NbNodes() print "Number of edges : ", mesh.NbEdges() print "Number of faces : ", mesh.NbFaces() print "Number of triangles : ", mesh.NbTriangles() print "Number of volumes : ", mesh.NbVolumes() print "Number of tetrahedrons : ", mesh.NbTetras() else: print "problem when computing the mesh"