mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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196 lines
5.9 KiB
Python
196 lines
5.9 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
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#
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# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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#
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# ==================================
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#
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import salome
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salome.salome_init()
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import GEOM
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from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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import SMESH, SALOMEDS
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from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New()
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# Geometrie
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# =========
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# Mailler en hexahedre une sphere dans un cube.
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# Donnees
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# -------
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sphere_rayon = 100
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cube_cote = 200
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plan_trim = 1000
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# Sphere
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# ------
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sphere_centre = geompy.MakeVertex(0, 0, 0)
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sphere_pleine = geompy.MakeSpherePntR(sphere_centre, sphere_rayon)
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# Cube interieur
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# --------------
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boite_cote = sphere_rayon / 2
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boite = geompy.MakeBox(-boite_cote, -boite_cote, -boite_cote, +boite_cote, +boite_cote, +boite_cote)
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blocs = [boite]
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# Decoupage sphere
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# ----------------
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sphere_troue = geompy.MakeCut(sphere_pleine, boite)
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#sphere_outils = []
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#sphere_outils.append(MakePlane(sphere_centre, MakeVectorDXDYDZ( 1, 0, 1), plan_trim))
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#sphere_outils.append(MakePlane(sphere_centre, MakeVectorDXDYDZ( 1, 0, -1), plan_trim))
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#sphere_outils.append(MakePlane(sphere_centre, MakeVectorDXDYDZ( 1, 1, 0), plan_trim))
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#sphere_outils.append(MakePlane(sphere_centre, MakeVectorDXDYDZ(-1, 1, 0), plan_trim))
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f1 = geompy.MakePlane(sphere_centre, geompy.MakeVectorDXDYDZ( 1, 0, 1), plan_trim)
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f2 = geompy.MakePlane(sphere_centre, geompy.MakeVectorDXDYDZ(-1, 1, 0), plan_trim)
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f3 = geompy.MakePlane(sphere_centre, geompy.MakeVectorDXDYDZ( 1, 1, 0), plan_trim)
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f4 = geompy.MakePlane(sphere_centre, geompy.MakeVectorDXDYDZ( 1, 0, -1), plan_trim)
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#sphere_decoupee = MakePartition(solids, sphere_outils, [], [], ShapeType["SOLID"])
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sphere_decoupee = geompy.MakePartition([sphere_troue], [f1], [], [], geompy.ShapeType["SOLID"])
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sphere_decoupee = geompy.MakePartition([sphere_decoupee], [f2], [], [], geompy.ShapeType["SOLID"])
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sphere_decoupee = geompy.MakePartition([sphere_decoupee], [f3], [], [], geompy.ShapeType["SOLID"])
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sphere_decoupee = geompy.MakePartition([sphere_decoupee], [f4], [], [], geompy.ShapeType["SOLID"])
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sphere_partie = geompy.MakeCompound([sphere_decoupee])
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sphere_partie = geompy.GetBlockNearPoint(sphere_decoupee, geompy.MakeVertex(-sphere_rayon, 0, 0))
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sphere_bloc = geompy.RemoveExtraEdges(sphere_partie)
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blocs.append(sphere_bloc)
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pi2 = 3.141592653/2
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sphere_dir1 = geompy.MakeVectorDXDYDZ(0, 1, 0)
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sphere_dir2 = geompy.MakeVectorDXDYDZ(0, 0, 1)
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blocs.append(geompy.MakeRotation(sphere_bloc, sphere_dir1, +pi2))
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blocs.append(geompy.MakeRotation(sphere_bloc, sphere_dir1, -pi2))
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blocs.append(geompy.MakeRotation(sphere_bloc, sphere_dir2, +pi2))
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blocs.append(geompy.MakeRotation(sphere_bloc, sphere_dir2, -pi2))
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blocs.append(geompy.MakeMirrorByPoint(sphere_bloc, sphere_centre))
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# Cube exterieur
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# --------------
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cube_plein = geompy.MakeBox(-cube_cote, -cube_cote, -cube_cote, +cube_cote, +cube_cote, +cube_cote)
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cube_trou = geompy.MakeCut(cube_plein, sphere_pleine)
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#cube_decoupe = MakePartition([cube_trou], sphere_outils, [], [], ShapeType["SOLID"])
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cube_decoupe = geompy.MakePartition([cube_trou], [f1], [], [], geompy.ShapeType["SOLID"])
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cube_decoupe = geompy.MakePartition([cube_decoupe], [f2], [], [], geompy.ShapeType["SOLID"])
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cube_decoupe = geompy.MakePartition([cube_decoupe], [f3], [], [], geompy.ShapeType["SOLID"])
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cube_decoupe = geompy.MakePartition([cube_decoupe], [f4], [], [], geompy.ShapeType["SOLID"])
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cube_decoupe = geompy.MakeCompound([cube_decoupe])
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cube_partie = geompy.GetBlockNearPoint(cube_decoupe, geompy.MakeVertex(-cube_cote, 0, 0))
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cube_bloc = geompy.RemoveExtraEdges(cube_partie)
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blocs.append(cube_bloc)
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blocs.append(geompy.MakeRotation(cube_bloc, sphere_dir1, +pi2))
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blocs.append(geompy.MakeRotation(cube_bloc, sphere_dir1, -pi2))
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blocs.append(geompy.MakeRotation(cube_bloc, sphere_dir2, +pi2))
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blocs.append(geompy.MakeRotation(cube_bloc, sphere_dir2, -pi2))
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blocs.append(geompy.MakeMirrorByPoint(cube_bloc, sphere_centre))
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# Piece
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# -----
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piece_cpd = geompy.MakeCompound(blocs)
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piece = geompy.MakeGlueFaces(piece_cpd, 1.e-3)
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piece_id = geompy.addToStudy(piece, "ex19_sphereINcube")
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# Groupe geometrique
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# ==================
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# Definition du groupe
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# --------------------
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groupe = geompy.CreateGroup(piece, geompy.ShapeType["SOLID"])
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groupe_nom = "ex19_sphereINcube_interieur"
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geompy.addToStudy(groupe, groupe_nom)
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groupe.SetName(groupe_nom)
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# Contenu du groupe
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# -----------------
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groupe_sphere = geompy.GetShapesOnSphere(piece, geompy.ShapeType["SOLID"], sphere_centre, sphere_rayon, GEOM.ST_ONIN)
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geompy.UnionList(groupe, groupe_sphere)
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# Meshing
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# =======
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# Create a hexahedral mesh
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# ------------------------
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hexa = smesh.Mesh(piece, "ex19_sphereINcube:hexa")
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algo = hexa.Segment()
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algo.NumberOfSegments(10)
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hexa.Quadrangle()
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hexa.Hexahedron()
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# Mesh calculus
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# -------------
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isDone = hexa.Compute()
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if not isDone:
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raise Exception("Error when computing Mesh")
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# Le groupe de mailles
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# --------------------
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hexa_groupe = hexa.Group(groupe)
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# Update object browser
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# ---------------------
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salome.sg.updateObjBrowser()
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