1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2008 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.
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
23 # Tetrahedrization of the geometry generated by the Python script
25 # Hypothesis and algorithms for the mesh generation are global
30 compshell = SMESH_fixation.compshell
31 idcomp = SMESH_fixation.idcomp
32 geompy = SMESH_fixation.geompy
33 salome = SMESH_fixation.salome
35 print "Analysis of the geometry to be meshed :"
36 subShellList = geompy.SubShapeAll(compshell, geompy.ShapeType["SHELL"])
37 subFaceList = geompy.SubShapeAll(compshell, geompy.ShapeType["FACE"])
38 subEdgeList = geompy.SubShapeAll(compshell, geompy.ShapeType["EDGE"])
40 print "number of Shells in compshell : ", len(subShellList)
41 print "number of Faces in compshell : ", len(subFaceList)
42 print "number of Edges in compshell : ", len(subEdgeList)
44 status = geompy.CheckShape(compshell)
45 print " check status ", status
47 ### ---------------------------- SMESH --------------------------------------
49 # ---- init a Mesh with the compshell
51 mesh = smesh.Mesh(compshell, "MeshcompShell")
54 # ---- set Hypothesis and Algorithm
56 print "-------------------------- NumberOfSegments"
60 regular1D = mesh.Segment()
61 regular1D.SetName("Wire Discretisation")
62 hypNbSeg = regular1D.NumberOfSegments(numberOfSegments)
63 print hypNbSeg.GetName()
64 print hypNbSeg.GetId()
65 print hypNbSeg.GetNumberOfSegments()
66 smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments))
68 ## print "-------------------------- MaxElementArea"
70 ## maxElementArea = 80
72 ## mefisto2D = mesh.Triangle()
73 ## mefisto2D.SetName("MEFISTO_2D")
74 ## hypArea = mefisto2D.MaxElementArea(maxElementArea)
75 ## print hypArea.GetName()
76 ## print hypArea.GetId()
77 ## print hypArea.GetMaxElementArea()
78 ## smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea))
80 print "-------------------------- LengthFromEdges"
82 mefisto2D = mesh.Triangle()
83 mefisto2D.SetName("MEFISTO_2D")
84 hypLengthFromEdges = mefisto2D.LengthFromEdges()
85 print hypLengthFromEdges.GetName()
86 print hypLengthFromEdges.GetId()
87 smesh.SetName(hypLengthFromEdges, "LengthFromEdges")
90 print "-------------------------- MaxElementVolume"
92 maxElementVolume = 1000
94 netgen3D = mesh.Tetrahedron(smesh.NETGEN)
95 netgen3D.SetName("NETGEN_3D")
96 hypVolume = netgen3D.MaxElementVolume(maxElementVolume)
97 print hypVolume.GetName()
98 print hypVolume.GetId()
99 print hypVolume.GetMaxElementVolume()
100 smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume))
103 salome.sg.updateObjBrowser(1)
105 print "-------------------------- compute compshell"
106 ret = mesh.Compute(mesh)
109 log = mesh.GetLog(0) # no erase trace
112 print "Information about the MeshcompShel:"
113 print "Number of nodes : ", mesh.NbNodes()
114 print "Number of edges : ", mesh.NbEdges()
115 print "Number of faces : ", mesh.NbFaces()
116 print "Number of triangles : ", mesh.NbTriangles()
117 print "Number of volumes : ", mesh.NbVolumes()
118 print "Number of tetrahedrons : ", mesh.NbTetras()
121 print "problem when computing the mesh"