mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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151 lines
4.4 KiB
Python
151 lines
4.4 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2023 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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import math
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# Geometry
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# ========
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# Element of a grid compound by a square with a cylinder on each vertex 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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arete = 50
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hauteur = 100
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rayon = 10
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demi = rayon/2
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r3 = demi*math.sqrt(3)
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# Points
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# ------
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piecePoint111 = geompy.MakeVertex(ox+rayon , oy, oz)
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piecePoint211 = geompy.MakeVertex(ox+arete-rayon, oy, oz)
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piecePoint112 = geompy.MakeVertex(ox , oy, oz+rayon)
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piecePoint212 = geompy.MakeVertex(ox+arete , oy, oz+rayon)
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piecePoint113 = geompy.MakeVertex(ox , oy, oz+arete-rayon)
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piecePoint213 = geompy.MakeVertex(ox+arete , oy, oz+arete-rayon)
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piecePoint114 = geompy.MakeVertex(ox+rayon , oy, oz+arete)
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piecePoint214 = geompy.MakeVertex(ox+arete-rayon, oy, oz+arete)
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pieceCenter1 = geompy.MakeVertex(ox , oy, oz)
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pieceCenter2 = geompy.MakeVertex(ox+arete , oy, oz)
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pieceCenter3 = geompy.MakeVertex(ox , oy, oz+arete)
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pieceCenter4 = geompy.MakeVertex(ox+arete , oy, oz+arete)
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piecePass1 = geompy.MakeVertex(ox+demi , oy, oz+r3)
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piecePass2 = geompy.MakeVertex(ox+arete-demi , oy, oz+r3)
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piecePass3 = geompy.MakeVertex(ox+arete-demi , oy, oz+arete-r3)
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piecePass4 = geompy.MakeVertex(ox+demi , oy, oz+arete-r3)
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# Edges
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# -----
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pieceEdgeSquare1 = geompy.MakeEdge(piecePoint111, piecePoint211)
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pieceEdgeSquare2 = geompy.MakeEdge(piecePoint114, piecePoint214)
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pieceEdgeSquare3 = geompy.MakeEdge(piecePoint112, piecePoint113)
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pieceEdgeSquare4 = geompy.MakeEdge(piecePoint212, piecePoint213)
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pieceEdgeDiagonal1 = geompy.MakeEdge(piecePoint111, piecePoint213)
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pieceEdgeDiagonal2 = geompy.MakeEdge(piecePoint112, piecePoint214)
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pieceEdgeArc1 = geompy.MakeArc(piecePoint111, piecePass1, piecePoint112)
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pieceEdgeArc2 = geompy.MakeArc(piecePoint211, piecePass2, piecePoint212)
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pieceEdgeArc3 = geompy.MakeArc(piecePoint213, piecePass3, piecePoint214)
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pieceEdgeArc4 = geompy.MakeArc(piecePoint113, piecePass4, piecePoint114)
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# Faces
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# -----
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pieceFace1 = geompy.MakeQuad(pieceEdgeSquare1, pieceEdgeArc2, pieceEdgeSquare4, pieceEdgeDiagonal1)
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pieceFace2 = geompy.MakeQuad(pieceEdgeSquare2, pieceEdgeArc4, pieceEdgeSquare3, pieceEdgeDiagonal2)
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pieceFace3 = geompy.MakeQuad(pieceEdgeArc1, pieceEdgeDiagonal1, pieceEdgeArc3, pieceEdgeDiagonal2)
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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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# Compound and glue
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# -----------------
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c_cpd = geompy.MakeCompound([pieceSolid1, pieceSolid2, pieceSolid3])
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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, "ex09_grid4build")
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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, "ex09_grid4build:hexa")
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algo = hexa.Segment()
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algo.NumberOfSegments(6)
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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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