1 # Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 # This library is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU Lesser General Public
5 # License as published by the Free Software Foundation; either
6 # version 2.1 of the License, or (at your option) any later version.
8 # This library is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # Lesser General Public License for more details.
13 # You should have received a copy of the GNU Lesser General Public
14 # License along with this library; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 from salome.geom import geomBuilder
24 geompy = geomBuilder.New(salome.myStudy)
26 from salome.smesh import smeshBuilder
27 smesh = smeshBuilder.New(salome.myStudy)
30 disk = geompy.MakeDiskR(100., 1, theName="disk")
32 # triangulate the disk
33 mesh = smesh.Mesh( disk )
34 cadsurf = mesh.Triangle( smeshBuilder.MG_CADSurf )
35 cadsurf.SetQuadAllowed( True )
38 # extrude the 2D mesh into a prismatic mesh
39 mesh.ExtrusionSweepObject( mesh, [0,0,10], 7 )
41 # split prisms into tetrahedra
42 mesh.SplitVolumesIntoTetra( mesh )
44 # copy the mesh into a new mesh, since only a mesh not based of geometry
45 # can be optimized using MG-Tetra Optimization
46 optMesh = smesh.CopyMesh( mesh, "optimization" )
48 # add MG-Tetra Optimization
49 mg_opt = optMesh.Tetrahedron( smeshBuilder.MG_Tetra_Optimization )
50 mg_opt.SetSmoothOffSlivers( True )
51 mg_opt.SetOptimizationLevel( smeshBuilder.Strong_Optimization )
56 print("Nb tetra before optimization", mesh.NbTetras())
57 print("Nb tetra after optimization", optMesh.NbTetras())