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https://git.salome-platform.org/gitpub/modules/smesh.git
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148 lines
4.3 KiB
Python
148 lines
4.3 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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# Geometry
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# ========
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# A twice holed cube build by points, edges, faces and solids
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# Values
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# ------
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ox = 0
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oy = 0
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oz = 0
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longueur = 200
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largeur = 100
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hauteur = 80
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cylindre = 50
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rayon = 20
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# Points
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# ------
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piecePoint1 = geompy.MakeVertex(ox , oy, oz)
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piecePoint2 = geompy.MakeVertex(ox+longueur, oy, oz)
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piecePoint3 = geompy.MakeVertex(ox+longueur, oy, oz+largeur)
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piecePoint4 = geompy.MakeVertex(ox , oy, oz+largeur)
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cz = oz+largeur/2
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cylPoint1 = geompy.MakeVertex(ox+cylindre , oy, cz-rayon)
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cylPoint2 = geompy.MakeVertex(ox+longueur-cylindre, oy, cz-rayon)
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cylPoint3 = geompy.MakeVertex(ox+longueur-cylindre, oy, cz+rayon)
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cylPoint4 = geompy.MakeVertex(ox+cylindre , oy, cz+rayon)
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# Edges
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# -----
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pieceEdge1 = geompy.MakeEdge(piecePoint1, piecePoint4)
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pieceEdge2 = geompy.MakeEdge(piecePoint1, cylPoint1)
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pieceEdge3 = geompy.MakeEdge(piecePoint4, cylPoint4)
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pieceEdge4 = geompy.MakeEdge(piecePoint2, piecePoint3)
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pieceEdge5 = geompy.MakeEdge(piecePoint2, cylPoint2)
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pieceEdge6 = geompy.MakeEdge(piecePoint3, cylPoint3)
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pieceEdge7 = geompy.MakeEdge(cylPoint1, cylPoint2)
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pieceEdge8 = geompy.MakeEdge(cylPoint3, cylPoint4)
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cylEdge1 = geompy.MakeArc(cylPoint1, geompy.MakeVertex(ox+cylindre-rayon , oy, cz), cylPoint4)
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cylEdge2 = geompy.MakeArc(cylPoint1, geompy.MakeVertex(ox+cylindre+rayon , oy, cz), cylPoint4)
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cylEdge3 = geompy.MakeArc(cylPoint2, geompy.MakeVertex(ox+longueur-cylindre-rayon, oy, cz), cylPoint3)
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cylEdge4 = geompy.MakeArc(cylPoint2, geompy.MakeVertex(ox+longueur-cylindre+rayon, oy, cz), cylPoint3)
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# Faces
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# -----
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pieceFace1 = geompy.MakeQuad4Vertices(piecePoint1, piecePoint2, cylPoint2 , cylPoint1 )
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pieceFace2 = geompy.MakeQuad (pieceEdge1 , pieceEdge2 , cylEdge1 , pieceEdge3)
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pieceFace3 = geompy.MakeQuad4Vertices(piecePoint3, piecePoint4, cylPoint4 , cylPoint3 )
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pieceFace4 = geompy.MakeQuad (pieceEdge4 , pieceEdge5 , cylEdge4 , pieceEdge6)
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pieceFace5 = geompy.MakeQuad (pieceEdge7 , cylEdge3 , pieceEdge8, cylEdge2 )
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# Solids
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# ------
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pieceVector = geompy.MakeVectorDXDYDZ(0, 1, 0)
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pieceSolid1 = geompy.MakePrismVecH(pieceFace1, pieceVector, hauteur)
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pieceSolid2 = geompy.MakePrismVecH(pieceFace2, pieceVector, hauteur)
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pieceSolid3 = geompy.MakePrismVecH(pieceFace3, pieceVector, hauteur)
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pieceSolid4 = geompy.MakePrismVecH(pieceFace4, pieceVector, hauteur)
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pieceSolid5 = geompy.MakePrismVecH(pieceFace5, pieceVector, hauteur)
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# Compound and glue
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# -----------------
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c_cpd = geompy.MakeCompound([pieceSolid1, pieceSolid2, pieceSolid3, pieceSolid4, pieceSolid5])
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piece = geompy.MakeGlueFaces(c_cpd, 1.e-5)
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# Add in study
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# ------------
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piece_id = geompy.addToStudy(piece, "ex08_hole2build")
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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, "ex08_hole2build:hexa")
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algo = hexa.Segment()
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algo.NumberOfSegments(7)
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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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# Update object browser
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# ---------------------
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salome.sg.updateObjBrowser()
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