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https://git.salome-platform.org/gitpub/modules/smesh.git
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114 lines
2.9 KiB
Python
114 lines
2.9 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2023 CEA, EDF, 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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# Creer un cylindre surplombe d'une demi-sphere le tout troue par un petit cylindre.
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# Decouper en hexahedre et mailler.
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# Donnees
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# -------
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cylindre_rayon = 100
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cylindre_hauteur = 400
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trou_rayon = 20
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trou_z = cylindre_rayon/2
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plan_trim = 2000
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# Cylindre
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# --------
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cylindre_base = geompy.MakeVertex(0, 0, 0)
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cylindre_dir = geompy.MakeVectorDXDYDZ(1, 0, 0)
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cylindre = geompy.MakeCylinder(cylindre_base, cylindre_dir, cylindre_rayon, cylindre_hauteur)
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# Dome
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# ----
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dome_sphere = geompy.MakeSpherePntR(cylindre_base, cylindre_rayon)
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dome = geompy.MakeFuse(dome_sphere, cylindre)
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# Cheminee
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# --------
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cheminee_base = geompy.MakeVertex(-cylindre_hauteur/2, 0, trou_z)
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cheminee_trou = geompy.MakeCylinder(cheminee_base, cylindre_dir, trou_rayon, 2*cylindre_hauteur)
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cheminee = geompy.MakeCut(dome, cheminee_trou)
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# Decoupage et reparation
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# -----------------------
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blocs_plan1 = geompy.MakePlane(cheminee_base, geompy.MakeVectorDXDYDZ(0, 1, 0), plan_trim)
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blocs_plan2 = geompy.MakePlane(cheminee_base, geompy.MakeVectorDXDYDZ(0, 0, 1), plan_trim)
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blocs_part = geompy.MakePartition([cheminee], [blocs_plan1, blocs_plan2], [], [], geompy.ShapeType["SOLID"])
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piece = geompy.RemoveExtraEdges(blocs_part)
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# Etude
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# -----
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piece_id = geompy.addToStudy(piece, "ex17_dome1")
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# Maillage
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# ========
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# Maillage hexahedrique
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# ---------------------
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hexa = smesh.Mesh(piece, "ex17_dome1:hexa")
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algo = hexa.Segment()
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algo.NumberOfSegments(20)
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hexa.Quadrangle()
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hexa.Hexahedron()
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# Calcul du maillage
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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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