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 # =======================================
32 # Construire avec des hexahedres une piece faite de 2 cylindres de diametre different
33 # et dont les axes se coupent orthogonalement, puis mailler.
55 g_base = MakeVertex(cx, cy, cz)
56 g_dir = MakeVectorDXDYDZ(0, 0, 1)
57 t_hauteur = p_rayon+10.0
59 g_cyl = MakeCylinder(g_base, g_dir, g_rayon, g_hauteur)
61 g_coupe = MakeVectorDXDYDZ(1, 0, 0)
64 g_tools.append(MakePlane(MakeVertex(cx+t_hauteur, cy, cz), g_coupe, g_trim))
65 g_tools.append(MakePlane(MakeVertex(cx-t_hauteur, cy, cz), g_coupe, g_trim))
67 g_partie = MakePartition([g_cyl], g_tools, [], [], ShapeType["SOLID"])
68 g_bas, g_centre, g_haut = SubShapeAllSorted(g_partie, ShapeType["SOLID"])
70 # Partie basse du gros cylindre
71 # -----------------------------
76 b_boite = MakeBox(cx-t_hauteur, cy-b_base, cz, cx-t_hauteur-b_hauteur, cy+b_base, cz+g_hauteur)
79 b_cyl = MakeCut(g_bas, b_boite)
82 b_tools.append(MakePlane(MakeVertex(cx-t_hauteur-b_hauteur, cy+b_base, cz), MakeVectorDXDYDZ( 1, 1, 0), g_trim))
83 b_tools.append(MakePlane(MakeVertex(cx-t_hauteur-b_hauteur, cy-b_base, cz), MakeVectorDXDYDZ(-1, 1, 0), g_trim))
85 b_partie = MakePartition([b_cyl], b_tools, [], [], ShapeType["SOLID"])
86 b_element = SubShapeAll(b_partie, ShapeType["SOLID"])
89 # Partie haute du gros cylindre
90 # -----------------------------
92 h_plan = MakePlane(g_base, g_coupe, g_trim)
94 cpd.append(MakeMirrorByPlane(b_boite, h_plan))
97 h_symetrie = MakeMirrorByPlane(h, h_plan)
98 cpd.append(h_symetrie)
104 x_arete = z_arete*t_hauteur*2/g_hauteur
110 p_base = MakeVertex(cx, py, pz)
111 p_dir = MakeVectorDXDYDZ(0, 1, 0)
112 p_cyl = MakeCylinder(p_base, p_dir, p_rayon, p_hauteur)
114 p_boite = MakeBox(px, py, pz-z_arete, cx+x_arete, py+p_hauteur, pz+z_arete)
116 # Partie interieure du petit cylindre
117 # -----------------------------------
119 i_cyl = MakeCommon(p_cyl, g_cyl)
120 i_tuyau = MakeCut(i_cyl, p_boite)
121 i_boite = MakeCommon(p_boite, g_cyl)
123 # Partie exterieure du petit cylindre
124 # -----------------------------------
126 e_cyl0 = MakeCut(p_cyl, g_cyl)
127 e_cyl = SubShapeAllSorted(e_cyl0, ShapeType["SOLID"])
129 e_tuyau = MakeCut(e_cyl[1], p_boite)
131 e_boite0 = MakeCut(p_boite, g_cyl)
132 e_boite = SubShapeAllSorted(e_boite0, ShapeType["SOLID"])
134 cpd.append(e_boite[1])
136 # Partie centrale du gros cylindre
137 # --------------------------------
139 c_cyl = MakeCut(g_centre, p_cyl)
145 p_tools.append(MakePlane(MakeVertex(px, py, pz-z_arete), MakeVectorDXDYDZ(-z_arete, 0, x_arete), g_trim))
146 p_tools.append(MakePlane(MakeVertex(px, py, pz+z_arete), MakeVectorDXDYDZ( z_arete, 0, x_arete), g_trim))
148 p_partie = MakePartition([e_tuyau], p_tools, [], [], ShapeType["SOLID"])
149 p_element = SubShapeAll(p_partie, ShapeType["SOLID"])
150 cpd = cpd + p_element
152 q_partie = MakePartition([i_tuyau, c_cyl], p_tools, [], [], ShapeType["SOLID"])
153 q_element = SubShapeAll(q_partie, ShapeType["SOLID"])
155 q_element = q_element + [i_boite]
158 q_tools.append(MakePlane(MakeVertex(cx, cy-b_base, cz), MakeVectorDXDYDZ(0, 1, 0), g_trim))
159 q_tools.append(MakePlane(MakeVertex(cx, cy+b_base, cz), MakeVectorDXDYDZ(0, 1, 0), g_trim))
163 r_partie = MakePartition([e], q_tools, [], [], ShapeType["SOLID"])
164 r_element = r_element + SubShapeAll(r_partie, ShapeType["SOLID"])
166 cpd = cpd + r_element
171 piece = RemoveExtraEdges(MakeCompound(cpd), 0)
173 # Ajouter la piece dans l'etude
174 # -----------------------------
176 piece_id = addToStudy(piece, "ex15_cyl2geometry")
181 smesh.SetCurrentStudy(salome.myStudy)
183 # Create a hexahedral mesh
184 # ------------------------
186 hexa = smesh.Mesh(piece, "ex15_cyl2geometry:hexa")
188 algo = hexa.Segment()
189 algo.NumberOfSegments(12)