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https://git.salome-platform.org/gitpub/modules/smesh.git
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96 lines
3.5 KiB
Python
96 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2014-2020 EDF R&D
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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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import logging
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from .geomsmesh import smesh
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from salome.smesh import smeshBuilder
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# -----------------------------------------------------------------------------
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# --- maillage face de fissure pour identification zone de defaut
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def genereMeshCalculZoneDefaut(facefiss, minSize, maxSize, \
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mailleur="MeshGems"):
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"""Maillage de l'objet géométrique 'facefiss'
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. Avec l'algorithme MG_CADSurf :
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-SetMaxSize = dimension max d'un élément (maxSize)
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-SetSecondOrder = élément quadratique (Y=1, N=0)
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-SetOptimize = élément régulier (Y=1, N=0)
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-SetFineness = finesse du maillage
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. Avec l'algorithme NETGEN_1D2D :
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-SetMaxSize = dimension max d'un élément (maxSize)
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-SetSecondOrder = élément quadratique (Y=1, N=0)
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-SetOptimize = élément régulier (Y=1, N=0)
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-SetFineness = finesse du maillage
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[very_coarse, coarse, moderate, fine, very_fine, custom]
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[0, 1, 2, 3, 4, 5 ]
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-SetMinSize = dimension min d'un élément (minSize)
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-SetQuadAllowed = permission quadrangle dans maillage triangle
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-On récupère les coordonnées de chaque noeud de la fissure qu'on stocke
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dans une liste sous la forme : [X0, Y0, Z0, ..., Xn, Yn, Zn]"""
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logging.info('start')
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meshFissure = smesh.Mesh(facefiss)
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text = "Maillage de '{}' avec {}".format(facefiss.GetName(),mailleur)
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logging.info(text)
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if ( mailleur == "MeshGems"):
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algo2d = meshFissure.Triangle(algo=smeshBuilder.MG_CADSurf)
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hypo2d = algo2d.Parameters()
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hypo2d.SetPhySize( maxSize )
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hypo2d.SetMinSize( maxSize/4. )
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hypo2d.SetMaxSize( maxSize*2. )
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hypo2d.SetChordalError( maxSize*0.25 )
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hypo2d.SetVerbosity( 0 )
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else:
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algo2d = meshFissure.Triangle(algo=smeshBuilder.NETGEN_1D2D)
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hypo2d = algo2d.Parameters()
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hypo2d.SetMaxSize( maxSize )
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hypo2d.SetSecondOrder( 0 )
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hypo2d.SetOptimize( 1 )
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hypo2d.SetFineness( 2 )
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hypo2d.SetMinSize( minSize )
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hypo2d.SetQuadAllowed( 0 )
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smesh.SetName(algo2d, "algo2d_zoneFiss")
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smesh.SetName(hypo2d, "hypo1d_zoneFiss")
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is_done = meshFissure.Compute()
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text = "meshFissure.Compute"
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if is_done:
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logging.info(text+" OK")
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else:
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text = "Erreur au calcul du maillage.\n" + text
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logging.info(text)
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raise Exception(text)
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coordsNoeudsFissure = list()
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nodeIds = meshFissure.GetNodesId()
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for indice in nodeIds:
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coords = meshFissure.GetNodeXYZ(indice)
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coordsNoeudsFissure.append(coords[0])
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coordsNoeudsFissure.append(coords[1])
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coordsNoeudsFissure.append(coords[2])
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logging.info('end')
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return coordsNoeudsFissure
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