X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=test%2FSMESH_box2_tetra.py;fp=test%2FSMESH_box2_tetra.py;h=17963be6c0dee1a2e2533192315ca708653fe6c3;hp=0000000000000000000000000000000000000000;hb=4cf07a14111e98e8889620ee7e6371574c31a50c;hpb=d9f4b53e489dd5857db264ede6acded7b076c9f1 diff --git a/test/SMESH_box2_tetra.py b/test/SMESH_box2_tetra.py new file mode 100644 index 000000000..17963be6c --- /dev/null +++ b/test/SMESH_box2_tetra.py @@ -0,0 +1,141 @@ +# -*- coding: iso-8859-1 -*- +# Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE +# +# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, +# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com +# + +# Tetrahedrization of the geometry union of 2 boxes having a face in common +# Hypothesis and algorithms for the mesh generation are global +# +import salome +salome.salome_init() +import GEOM +from salome.geom import geomBuilder +geompy = geomBuilder.New() + +import SMESH, SALOMEDS +from salome.smesh import smeshBuilder +smesh = smeshBuilder.New() + + +# ---- define 2 boxes box1 and box2 + +box1 = geompy.MakeBox(0., 0., 0., 100., 200., 300.) + +idbox1 = geompy.addToStudy(box1, "box1") + +print("Analysis of the geometry box1 :") +subShellList = geompy.SubShapeAll(box1, geompy.ShapeType["SHELL"]) +subFaceList = geompy.SubShapeAll(box1, geompy.ShapeType["FACE"]) +subEdgeList = geompy.SubShapeAll(box1, geompy.ShapeType["EDGE"]) + +print("number of Shells in box1 : ", len(subShellList)) +print("number of Faces in box1 : ", len(subFaceList)) +print("number of Edges in box1 : ", len(subEdgeList)) + +box2 = geompy.MakeBox(100., 0., 0., 200., 200., 300.) + +idbox2 = geompy.addToStudy(box2, "box2") + +print("Analysis of the geometry box2 :") +subShellList = geompy.SubShapeAll(box2, geompy.ShapeType["SHELL"]) +subFaceList = geompy.SubShapeAll(box2, geompy.ShapeType["FACE"]) +subEdgeList = geompy.SubShapeAll(box2, geompy.ShapeType["EDGE"]) + +print("number of Shells in box2 : ", len(subShellList)) +print("number of Faces in box2 : ", len(subFaceList)) +print("number of Edges in box2 : ", len(subEdgeList)) + +# append the tow boxes to make ine shel, referrencing only once +# the internal interface + +shell = geompy.MakePartition([box1, box2]) +idshell = geompy.addToStudy(shell, "shell") + +print("Analysis of the geometry shell (union of box1 and box2) :") +subShellList = geompy.SubShapeAll(shell, geompy.ShapeType["SHELL"]) +subFaceList = geompy.SubShapeAll(shell, geompy.ShapeType["FACE"]) +subEdgeList = geompy.SubShapeAll(shell, geompy.ShapeType["EDGE"]) + +print("number of Shells in shell : ", len(subShellList)) +print("number of Faces in shell : ", len(subFaceList)) +print("number of Edges in shell : ", len(subEdgeList)) + + +### ---------------------------- SMESH -------------------------------------- + +# ---- init a Mesh with the shell + +mesh = smesh.Mesh(shell, "MeshBox2") + + +# ---- set Hypothesis and Algorithm + +print("-------------------------- NumberOfSegments") + +numberOfSegments = 10 + +regular1D = mesh.Segment() +hypNbSeg = regular1D.NumberOfSegments(numberOfSegments) +print(hypNbSeg.GetName()) +print(hypNbSeg.GetId()) +print(hypNbSeg.GetNumberOfSegments()) +smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments)) + +print("-------------------------- MaxElementArea") + +maxElementArea = 500 + +mefisto2D = mesh.Triangle() +hypArea = mefisto2D.MaxElementArea(maxElementArea) +print(hypArea.GetName()) +print(hypArea.GetId()) +print(hypArea.GetMaxElementArea()) +smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea)) + +print("-------------------------- MaxElementVolume") + +maxElementVolume = 500 + +netgen3D = mesh.Tetrahedron(smeshBuilder.NETGEN) +hypVolume = netgen3D.MaxElementVolume(maxElementVolume) +print(hypVolume.GetName()) +print(hypVolume.GetId()) +print(hypVolume.GetMaxElementVolume()) +smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume)) + +print("-------------------------- compute shell") +ret = mesh.Compute() +print(ret) +if ret != 0: + log = mesh.GetLog(0) # no erase trace + # for linelog in log: + # print(linelog) + print("Information about the MeshBox2:") + print("Number of nodes : ", mesh.NbNodes()) + print("Number of edges : ", mesh.NbEdges()) + print("Number of faces : ", mesh.NbFaces()) + print("Number of triangles : ", mesh.NbTriangles()) + print("Number of volumes : ", mesh.NbVolumes()) + print("Number of tetrahedrons: ", mesh.NbTetras()) +else: + print("probleme when computing the mesh") + +salome.sg.updateObjBrowser()