1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2011 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
24 # =======================================
33 # grid compound of 3 x 3 elements
34 # an element is compound of 3 cylinders concentriques
35 # an element is centered in a square of the grid
36 # the smaller cylinder is a hole
38 # prism the grid, and mesh it in hexahedral way
61 e_boite = 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)
63 e_hauteur = 2*g_hauteur
64 e_centre = MakeVertex(g_x, g_y-g_hauteur, g_z)
65 e_dir = MakeVectorDXDYDZ(0, 1, 0)
67 e_cyl1 = MakeCylinder(e_centre, e_dir, g_rayon3, e_hauteur)
69 e_blo1 = MakeCut(e_boite, e_cyl1)
71 e_cyl2 = MakeCylinder(e_centre, e_dir, g_rayon2, e_hauteur)
73 e_blo2 = MakeCut(e_cyl1, e_cyl2)
75 e_cyl3 = MakeCylinder(e_centre, e_dir, g_rayon1, e_hauteur)
77 e_blo3 = MakeCut(e_cyl2, e_cyl3)
79 # Partition and repair
80 # --------------------
83 p_tools.append(MakePlane(e_centre, MakeVectorDXDYDZ( 1, 0, 1), g_trim))
84 p_tools.append(MakePlane(e_centre, MakeVectorDXDYDZ(-1, 0, 1), g_trim))
86 p_part = MakePartition([e_blo1, e_blo2, e_blo3], p_tools, [], [], ShapeType["SOLID"])
88 p_element = RemoveExtraEdges(p_part, doUnionFaces=True)
93 grid = MakeMultiTranslation2D(p_element, MakeVectorDXDYDZ(1, 0, 0), 2*g_arete, g_grid, MakeVectorDXDYDZ(0, 0, 1), 2*g_arete, g_grid)
95 piece = MakeGlueFaces(grid, 1e-5)
100 piece_id = addToStudy(piece, "ex11_grid3partition")
105 smesh.SetCurrentStudy(salome.myStudy)
107 # Create a hexahedral mesh
108 # ------------------------
110 hexa = smesh.Mesh(piece, "ex11_grid3partition:hexa")
112 algo = hexa.Segment()
113 algo.NumberOfSegments(3)