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https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-12 08:39:16 +05:00
172 lines
5.3 KiB
Python
172 lines
5.3 KiB
Python
#
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# Tetrahedrization of the geometry union of 3 boxes aligned where the middle
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# one has a race in common with the two others.
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# Hypothesis and algorithms for the mesh generation are global
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#
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import salome
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import geompy
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import StdMeshers
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import NETGENPlugin
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smesh = salome.lcc.FindOrLoadComponent("FactoryServer", "SMESH")
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smeshgui = salome.ImportComponentGUI("SMESH")
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smeshgui.Init(salome.myStudyId);
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# ---- define 3 boxes box1, box2 and box3
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box1 = geompy.MakeBox(0., 0., 0., 100., 200., 300.)
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idbox1 = geompy.addToStudy(box1, "box1")
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print "Analysis of the geometry box1 :"
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subShellList = geompy.SubShapeAll(box1, geompy.ShapeType["SHELL"])
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subFaceList = geompy.SubShapeAll(box1, geompy.ShapeType["FACE"])
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subEdgeList = geompy.SubShapeAll(box1, geompy.ShapeType["EDGE"])
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print "number of Shells in box1 : ", len(subShellList)
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print "number of Faces in box1 : ", len(subFaceList)
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print "number of Edges in box1 : ", len(subEdgeList)
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box2 = geompy.MakeBox(100., 0., 0., 200., 200., 300.)
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idbox2 = geompy.addToStudy(box2, "box2")
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print "Analysis of the geometry box2 :"
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subShellList = geompy.SubShapeAll(box2, geompy.ShapeType["SHELL"])
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subFaceList = geompy.SubShapeAll(box2, geompy.ShapeType["FACE"])
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subEdgeList = geompy.SubShapeAll(box2, geompy.ShapeType["EDGE"])
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print "number of Shells in box2 : ", len(subShellList)
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print "number of Faces in box2 : ", len(subFaceList)
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print "number of Edges in box2 : ", len(subEdgeList)
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box3 = geompy.MakeBox(0., 0., 300., 200., 200., 500.)
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idbox3 = geompy.addToStudy(box3, "box3")
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print "Analysis of the geometry box3 :"
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subShellList = geompy.SubShapeAll(box3, geompy.ShapeType["SHELL"])
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subFaceList = geompy.SubShapeAll(box3, geompy.ShapeType["FACE"])
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subEdgeList = geompy.SubShapeAll(box3, geompy.ShapeType["EDGE"])
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print "number of Shells in box3 : ", len(subShellList)
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print "number of Faces in box3 : ", len(subFaceList)
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print "number of Edges in box3 : ", len(subEdgeList)
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shell = geompy.MakePartition([box1, box2, box3])
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idshell = geompy.addToStudy(shell,"shell")
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print "Analysis of the geometry shell (union of box1, box2 and box3) :"
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subShellList = geompy.SubShapeAll(shell, geompy.ShapeType["SHELL"])
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subFaceList = geompy.SubShapeAll(shell, geompy.ShapeType["FACE"])
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subEdgeList = geompy.SubShapeAll(shell, geompy.ShapeType["EDGE"])
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print "number of Shells in shell : ", len(subShellList)
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print "number of Faces in shell : ", len(subFaceList)
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print "number of Edges in shell : ", len(subEdgeList)
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### ---------------------------- SMESH --------------------------------------
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# ---- create Hypothesis
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print "-------------------------- create Hypothesis"
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print "-------------------------- NumberOfSegments"
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numberOfSegments = 10
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hypNbSeg = smesh.CreateHypothesis("NumberOfSegments", "libStdMeshersEngine.so")
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hypNbSeg.SetNumberOfSegments(numberOfSegments)
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print hypNbSeg.GetName()
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print hypNbSeg.GetId()
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print hypNbSeg.GetNumberOfSegments()
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smeshgui.SetName(salome.ObjectToID(hypNbSeg), "NumberOfSegments_10")
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print "-------------------------- MaxElementArea"
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maxElementArea = 500
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hypArea = smesh.CreateHypothesis("MaxElementArea", "libStdMeshersEngine.so")
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hypArea.SetMaxElementArea(maxElementArea)
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print hypArea.GetName()
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print hypArea.GetId()
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print hypArea.GetMaxElementArea()
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smeshgui.SetName(salome.ObjectToID(hypArea), "MaxElementArea_500")
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print "-------------------------- MaxElementVolume"
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maxElementVolume = 500
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hypVolume = smesh.CreateHypothesis("MaxElementVolume", "libStdMeshersEngine.so")
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hypVolume.SetMaxElementVolume(maxElementVolume)
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print hypVolume.GetName()
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print hypVolume.GetId()
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print hypVolume.GetMaxElementVolume()
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smeshgui.SetName(salome.ObjectToID(hypVolume), "MaxElementVolume_500")
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# ---- create Algorithms
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print "-------------------------- create Algorithms"
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print "-------------------------- Regular_1D"
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regular1D = smesh.CreateHypothesis("Regular_1D", "libStdMeshersEngine.so")
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smeshgui.SetName(salome.ObjectToID(regular1D), "Wire Discretisation")
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print "-------------------------- MEFISTO_2D"
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mefisto2D = smesh.CreateHypothesis("MEFISTO_2D", "libStdMeshersEngine.so")
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smeshgui.SetName(salome.ObjectToID(mefisto2D), "MEFISTO_2D")
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print "-------------------------- NETGEN_3D"
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netgen3D = smesh.CreateHypothesis("NETGEN_3D", "libNETGENEngine.so")
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smeshgui.SetName(salome.ObjectToID(netgen3D), "NETGEN_3D")
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# ---- init a Mesh with the shell
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mesh = smesh.CreateMesh(shell)
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smeshgui.SetName(salome.ObjectToID(mesh), "MeshBox3")
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# ---- add hypothesis to shell
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print "-------------------------- add hypothesis to shell"
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mesh.AddHypothesis(shell,regular1D)
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mesh.AddHypothesis(shell,hypNbSeg)
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mesh.AddHypothesis(shell,mefisto2D)
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mesh.AddHypothesis(shell,hypArea)
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mesh.AddHypothesis(shell,netgen3D)
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mesh.AddHypothesis(shell,hypVolume)
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salome.sg.updateObjBrowser(1)
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print "-------------------------- compute shell"
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ret = smesh.Compute(mesh,shell)
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print ret
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if ret != 0:
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log = mesh.GetLog(0) # no erase trace
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for linelog in log:
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print linelog
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print "Information about the MeshBox3:"
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print "Number of nodes : ", mesh.NbNodes()
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print "Number of edges : ", mesh.NbEdges()
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print "Number of faces : ", mesh.NbFaces()
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print "Number of triangles : ", mesh.NbTriangles()
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print "Number of volumes : ", mesh.NbVolumes()
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print "Number of tetrahedrons: ", mesh.NbTetras()
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else:
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print "probleme when computing the mesh"
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