# -*- coding: iso-8859-1 -*- # Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE # # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com # # Tetrahedrization of the geometry generated by the Python script # SMESH_fixation.py # Hypothesis and algorithms for the mesh generation are global # import salome import SMESH_fixation import SMESH, SALOMEDS from salome.smesh import smeshBuilder smesh = smeshBuilder.New(salome.myStudy) 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.SetCurrentStudy(salome.myStudy) # ---- init a Mesh with the compshell mesh = smesh.Mesh(compshell, "MeshcompShell") # ---- set Hypothesis and Algorithm print "-------------------------- NumberOfSegments" numberOfSegments = 5 regular1D = mesh.Segment() regular1D.SetName("Wire Discretisation") hypNbSeg = regular1D.NumberOfSegments(numberOfSegments) print hypNbSeg.GetName() print hypNbSeg.GetId() print hypNbSeg.GetNumberOfSegments() smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments)) ## print "-------------------------- MaxElementArea" ## maxElementArea = 80 ## mefisto2D = mesh.Triangle() ## mefisto2D.SetName("MEFISTO_2D") ## hypArea = mefisto2D.MaxElementArea(maxElementArea) ## print hypArea.GetName() ## print hypArea.GetId() ## print hypArea.GetMaxElementArea() ## smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea)) print "-------------------------- LengthFromEdges" mefisto2D = mesh.Triangle() mefisto2D.SetName("MEFISTO_2D") hypLengthFromEdges = mefisto2D.LengthFromEdges() print hypLengthFromEdges.GetName() print hypLengthFromEdges.GetId() smesh.SetName(hypLengthFromEdges, "LengthFromEdges") print "-------------------------- MaxElementVolume" maxElementVolume = 1000 netgen3D = mesh.Tetrahedron(smeshBuilder.NETGEN) netgen3D.SetName("NETGEN_3D") hypVolume = netgen3D.MaxElementVolume(maxElementVolume) print hypVolume.GetName() print hypVolume.GetId() print hypVolume.GetMaxElementVolume() smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume)) print "-------------------------- compute compshell" ret = mesh.Compute(mesh) 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" salome.sg.updateObjBrowser(1)