2014-01-09 14:20:44 +00:00
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# -*- coding: utf-8 -*-
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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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"""
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2014-08-25 17:26:29 +02:00
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-Permet de générer un maillage sur l'objet géométrique 'facefiss' via
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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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2014-01-09 14:20:44 +00:00
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logging.info('start')
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meshFissure = smesh.Mesh(facefiss)
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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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isDone = meshFissure.Compute()
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smesh.SetName(algo2d, "algo2d_zoneFiss")
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smesh.SetName(hypo2d, "hypo1d_zoneFiss")
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coordsNoeudsFissure = []
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nodeIds = meshFissure.GetNodesId()
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for id in nodeIds:
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coords = meshFissure.GetNodeXYZ(id)
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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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return coordsNoeudsFissure
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