1 # Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 # This library is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU Lesser General Public
8 # License as published by the Free Software Foundation; either
9 # version 2.1 of the License.
11 # This library is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # Lesser General Public License for more details.
16 # You should have received a copy of the GNU Lesser General Public
17 # License along with this library; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 # File : SMESH_withHole.py
23 # Author : Lucien PIGNOLONI
26 #-------------------------------------------------------------------------
34 # ---------------------------- GEOM --------------------------------------
36 # ---- define contigous arcs and segment to define a closed wire
37 p1 = geompy.MakeVertex( 100.0, 0.0, 0.0 )
38 p2 = geompy.MakeVertex( 50.0, 50.0, 0.0 )
39 p3 = geompy.MakeVertex( 100.0, 100.0, 0.0 )
40 arc1 = geompy.MakeArc( p1, p2, p3 )
42 p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
43 seg1 = geompy.MakeVector( p3, p4 )
45 p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
46 p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
47 arc2 = geompy.MakeArc( p4, p5, p6 )
49 p7 = geompy.MakeVertex( 120.0, 30.0, 0.0 )
50 arc3 = geompy.MakeArc( p6, p7, p1 )
52 # ---- define a closed wire with arcs and segment
59 wire1 = geompy.MakeWire( List1 )
60 Id_wire1 = geompy.addToStudy( wire1, "wire1" )
62 # ---- define a planar face with wire
63 WantPlanarFace = 1 #True
64 face1 = geompy.MakeFace( wire1, WantPlanarFace )
65 Id_face1 = geompy.addToStudy( face1, "face1" )
67 # ---- create a shape by extrusion
68 pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
69 pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
70 vz = geompy.MakeVector( pO, pz )
72 prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
73 Id_prism1 = geompy.addToStudy( prism1, "prism1" )
75 # ---- create two cylinders
76 pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
77 pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
81 cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
82 cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
84 Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
85 Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
88 shape = geompy.MakeBoolean( prism1, cyl1, 2 )
90 # ---- fuse with cyl2 to obtain the final mechanic piece :)
91 mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
92 Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
94 # ---- explode on faces
95 SubFaceL = geompy.SubShapeAllSorted(mechanic, geompy.ShapeType["FACE"])
97 # ---- add a face sub shape in study to be meshed different
98 sub_face1 = SubFaceL[0]
99 name = geompy.SubShapeName( sub_face1, mechanic )
101 Id_SubFace1 = geompy.addToStudyInFather( mechanic, sub_face1, name )
103 # ---- add a face sub shape in study to be meshed different
104 sub_face2 = SubFaceL[4]
105 name = geompy.SubShapeName( sub_face2, mechanic )
107 Id_SubFace2 = geompy.addToStudyInFather( mechanic, sub_face2, name )
109 # ---- add a face sub shape in study to be meshed different
110 sub_face3 = SubFaceL[5]
111 name = geompy.SubShapeName( sub_face3, mechanic )
113 Id_SubFace3 = geompy.addToStudyInFather( mechanic, sub_face3, name )
115 # ---- add a face sub shape in study to be meshed different
116 sub_face4 = SubFaceL[10]
117 name = geompy.SubShapeName( sub_face4, mechanic )
119 Id_SubFace4 = geompy.addToStudyInFather( mechanic, sub_face4, name )
121 # ---------------------------- SMESH --------------------------------------
124 shape_mesh = salome.IDToObject( Id_mechanic )
126 mesh = smesh.Mesh(shape_mesh, "Mesh_mechanic")
128 print "-------------------------- NumberOfSegments"
132 algo = mesh.Segment()
133 hypNbSeg = algo.NumberOfSegments(numberOfSegment)
134 print hypNbSeg.GetName()
135 print hypNbSeg.GetId()
136 print hypNbSeg.GetNumberOfSegments()
137 smesh.SetName(hypNbSeg, "NumberOfSegments_10")
139 print "-------------------------- MaxElementArea"
143 algo = mesh.Triangle()
144 hypArea25 = algo.MaxElementArea(maxElementArea)
145 print hypArea25.GetName()
146 print hypArea25.GetId()
147 print hypArea25.GetMaxElementArea()
148 smesh.SetName(hypArea25, "MaxElementArea_25")
150 # Create submesh on sub_face1 - sub_face4
151 # ---------------------------------------
153 # Set 2D algorithm to submesh on sub_face1
154 algo = mesh.Quadrangle(sub_face1)
155 smesh.SetName(algo.GetSubMesh(), "SubMeshFace1")
157 # Set 2D algorithm to submesh on sub_face2
158 algo = mesh.Quadrangle(sub_face2)
159 smesh.SetName(algo.GetSubMesh(), "SubMeshFace2")
161 # Set 2D algorithm to submesh on sub_face3
162 algo = mesh.Quadrangle(sub_face3)
163 smesh.SetName(algo.GetSubMesh(), "SubMeshFace3")
165 # Set 2D algorithm to submesh on sub_face4
166 algo = mesh.Quadrangle(sub_face4)
167 smesh.SetName(algo.GetSubMesh(), "SubMeshFace4")
169 print "-------------------------- compute the mesh of the mechanic piece"
173 print "Information about the Mesh_mechanic:"
174 print "Number of nodes : ", mesh.NbNodes()
175 print "Number of edges : ", mesh.NbEdges()
176 print "Number of faces : ", mesh.NbFaces()
177 print "Number of triangles : ", mesh.NbTriangles()
178 print "Number of quadrangles : ", mesh.NbQuadrangles()
179 print "Number of volumes : ", mesh.NbVolumes()
180 print "Number of tetrahedrons: ", mesh.NbTetras()
182 salome.sg.updateObjBrowser(1)