1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2016 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 # grid compound of 3 x 3 elements
40 # an element is compound of 3 cylinders concentriques
41 # an element is centered in a square of the grid
42 # the smaller cylinder is a hole
44 # prism the grid, and mesh it in hexahedral way
67 e_boite = geompy.MakeBox(g_x-g_arete, g_y-g_hauteur, g_z-g_arete, g_x+g_arete, g_y+g_hauteur, g_z+g_arete)
69 e_hauteur = 2*g_hauteur
70 e_centre = geompy.MakeVertex(g_x, g_y-g_hauteur, g_z)
71 e_dir = geompy.MakeVectorDXDYDZ(0, 1, 0)
73 e_cyl1 = geompy.MakeCylinder(e_centre, e_dir, g_rayon3, e_hauteur)
75 e_blo1 = geompy.MakeCut(e_boite, e_cyl1)
77 e_cyl2 = geompy.MakeCylinder(e_centre, e_dir, g_rayon2, e_hauteur)
79 e_blo2 = geompy.MakeCut(e_cyl1, e_cyl2)
81 e_cyl3 = geompy.MakeCylinder(e_centre, e_dir, g_rayon1, e_hauteur)
83 e_blo3 = geompy.MakeCut(e_cyl2, e_cyl3)
85 # Partition and repair
86 # --------------------
89 p_tools.append(geompy.MakePlane(e_centre, geompy.MakeVectorDXDYDZ( 1, 0, 1), g_trim))
90 p_tools.append(geompy.MakePlane(e_centre, geompy.MakeVectorDXDYDZ(-1, 0, 1), g_trim))
92 p_part = geompy.MakePartition([e_blo1, e_blo2, e_blo3], p_tools, [], [], geompy.ShapeType["SOLID"])
94 p_element = geompy.RemoveExtraEdges(p_part, doUnionFaces=True)
99 grid = geompy.MakeMultiTranslation2D(p_element, geompy.MakeVectorDXDYDZ(1, 0, 0), 2*g_arete, g_grid, geompy.MakeVectorDXDYDZ(0, 0, 1), 2*g_arete, g_grid)
101 piece = geompy.MakeGlueFaces(grid, 1e-5)
106 piece_id = geompy.addToStudy(piece, "ex11_grid3partition")
111 # Create a hexahedral mesh
112 # ------------------------
114 hexa = smesh.Mesh(piece, "ex11_grid3partition:hexa")
116 algo = hexa.Segment()
117 algo.NumberOfSegments(3)
128 # Update object browser
129 # ---------------------
131 salome.sg.updateObjBrowser()