1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
4 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
5 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
7 # This library is free software; you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public
9 # License as published by the Free Software Foundation; either
10 # version 2.1 of the License, or (at your option) any later version.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 # Tetrahedrization of the geometry generated by the Python script
26 # The new Netgen algorithm is used that discretizes baoundaries itself
31 import SMESH, SALOMEDS
32 from salome.smesh import smeshBuilder
33 smesh = smeshBuilder.New()
35 compshell = SMESH_fixation.compshell
36 idcomp = SMESH_fixation.idcomp
37 geompy = SMESH_fixation.geompy
38 salome = SMESH_fixation.salome
40 print("Analysis of the geometry to be meshed :")
41 subShellList = geompy.SubShapeAll(compshell, geompy.ShapeType["SHELL"])
42 subFaceList = geompy.SubShapeAll(compshell, geompy.ShapeType["FACE"])
43 subEdgeList = geompy.SubShapeAll(compshell, geompy.ShapeType["EDGE"])
45 print("number of Shells in compshell : ", len(subShellList))
46 print("number of Faces in compshell : ", len(subFaceList))
47 print("number of Edges in compshell : ", len(subEdgeList))
49 status = geompy.CheckShape(compshell)
50 print(" check status ", status)
52 ### ---------------------------- SMESH --------------------------------------
55 print("-------------------------- create Mesh, algorithm, hypothesis")
57 mesh = smesh.Mesh(compshell, "MeshcompShel");
58 netgen = mesh.Tetrahedron(smeshBuilder.FULL_NETGEN)
59 netgen.SetMaxSize( 50 )
60 #netgen.SetSecondOrder( 0 )
61 netgen.SetFineness( smeshBuilder.Fine )
62 #netgen.SetOptimize( 1 )
64 print("-------------------------- compute mesh")
68 print("Information about the MeshcompShel:")
69 print("Number of nodes : ", mesh.GetMesh().NbNodes())
70 print("Number of edges : ", mesh.GetMesh().NbEdges())
71 print("Number of faces : ", mesh.GetMesh().NbFaces())
72 print("Number of triangles : ", mesh.GetMesh().NbTriangles())
73 print("Number of volumes : ", mesh.GetMesh().NbVolumes())
74 print("Number of tetrahedrons : ", mesh.GetMesh().NbTetras())
77 print("problem when computing the mesh")
79 salome.sg.updateObjBrowser()