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 # =======================================
29 from salome.geom import geomBuilder
30 geompy = geomBuilder.New()
32 import SMESH, SALOMEDS
33 from salome.smesh import smeshBuilder
34 smesh = smeshBuilder.New()
39 # 5 box with a hexahedral mesh and with 2 box in tetrahedral mesh
54 box_tetra1 = geompy.MakeBox(arete0, arete0, 0, arete1, arete1, arete)
56 box_ijk1 = geompy.MakeBox(arete1, arete0, 0, arete2, arete1, arete)
58 box_hexa = geompy.MakeBox(arete1, arete1, 0, arete2, arete2, arete)
60 box_ijk2 = geompy.MakeBox(arete2, arete1, 0, arete3, arete2, arete)
62 box_tetra2 = geompy.MakeBox(arete2, arete2, 0, arete3 ,arete3, arete)
67 piece_cpd = geompy.MakeCompound([box_tetra1, box_ijk1, box_hexa, box_ijk2, box_tetra2])
69 piece = geompy.MakeGlueFaces(piece_cpd, 1e-4)
71 piece_id = geompy.addToStudy(piece, "ex04_cube5tetraHexa")
76 # Create a hexahedral mesh
77 # ------------------------
79 mixed = smesh.Mesh(piece, "ex04_cube5tetraHexa:mixed")
81 algo = mixed.Segment()
83 algo.StartEndLength(3, 25)
89 # Tetrahedral local mesh
90 # ----------------------
92 def localMesh(b, hyp):
93 box = geompy.GetInPlace(piece, b)
94 faces = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
99 algo = mixed.Triangle(faces[i])
101 algo.MaxElementArea(80)
103 algo.LengthFromEdges()
106 algo = mixed.Tetrahedron(smeshBuilder.NETGEN, box)
107 algo.MaxElementVolume(400)
109 localMesh(box_tetra1, 1)
110 localMesh(box_tetra2, 0)
117 # Update object browser
118 # ---------------------
120 salome.sg.updateObjBrowser()