# -*- coding: iso-8859-1 -*- # Copyright (C) 2007-2022 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 # # Hexahedrization 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() 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.UpdateStudy() # ---- init a Mesh with the compshell shape_mesh = salome.IDToObject( idcomp ) mesh = smesh.Mesh(shape_mesh, "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("-------------------------- Quadrangle_2D") quad2D = mesh.Quadrangle() quad2D.SetName("Quadrangle_2D") print("-------------------------- Hexa_3D") hexa3D = mesh.Hexahedron() hexa3D.SetName("Hexa_3D") print("-------------------------- compute compshell") ret = mesh.Compute() 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 quadrangles : ", mesh.NbQuadrangles()) print("Number of volumes : ", mesh.NbVolumes()) print("Number of hexahedrons : ", mesh.NbHexas()) else: print("problem when Computing the mesh") salome.sg.updateObjBrowser()