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https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-14 01:28:34 +05:00
116 lines
3.3 KiB
Python
116 lines
3.3 KiB
Python
#
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# Triangulation of the skin of the geometry from a Brep representing a plane
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# This geometry is from EADS
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# Hypothesis and algorithms for the mesh generation are global
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#
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import os
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import salome
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import geompy
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import StdMeshers
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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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# ---------------------------- GEOM --------------------------------------
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# import a BRep
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#before running this script, please be sure about
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#the path the file fileName
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filePath = os.environ["DATA_DIR"]
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filePath = filePath + "/Shapes/Brep/"
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filename = "flight_solid.brep"
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filename = filePath + filename
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shape = geompy.Import(filename, "BREP")
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idShape = geompy.addToStudy(shape, "flight")
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print "Analysis of the geometry flight :"
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subShellList = geompy.SubShapeAll(shape, geompy.ShapeType["SHELL"])
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subFaceList = geompy.SubShapeAll(shape, geompy.ShapeType["FACE"])
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subEdgeList = geompy.SubShapeAll(shape, geompy.ShapeType["EDGE"])
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print "number of Shells in flight : ", len(subShellList)
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print "number of Faces in flight : ", len(subFaceList)
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print "number of Edges in flight : ", len(subEdgeList)
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### ---------------------------- SMESH --------------------------------------
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print "-------------------------- create Hypothesis"
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print "-------------------------- LocalLength"
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lengthOfSegments = 0.3
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hypLength = smesh.CreateHypothesis("LocalLength", "libStdMeshersEngine.so")
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hypLength.SetLength(lengthOfSegments)
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print hypLength.GetName()
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print hypLength.GetId()
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print hypLength.GetLength()
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smeshgui.SetName(salome.ObjectToID(hypLength), "LocalLength_0.3")
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print "-------------------------- LengthFromEdges"
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hypLengthFromEdge = smesh.CreateHypothesis("LengthFromEdges", "libStdMeshersEngine.so")
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print hypLengthFromEdge.GetName()
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print hypLengthFromEdge.GetId()
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smeshgui.SetName(salome.ObjectToID(hypLengthFromEdge), "LengthFromEdge")
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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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# ---- init a Mesh with the shell
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shape_mesh = salome.IDToObject( idShape )
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mesh = smesh.CreateMesh(shape_mesh)
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smeshgui.SetName(salome.ObjectToID(mesh), "MeshFlight")
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# ---- add hypothesis to flight
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print "-------------------------- add hypothesis to flight"
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mesh.AddHypothesis(shape_mesh,regular1D)
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mesh.AddHypothesis(shape_mesh,hypLength)
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mesh.AddHypothesis(shape_mesh,mefisto2D)
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mesh.AddHypothesis(shape_mesh,hypLengthFromEdge)
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salome.sg.updateObjBrowser(1)
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print "-------------------------- compute the skin flight"
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ret = smesh.Compute(mesh,shape_mesh)
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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 Mesh_mechanic_tetra:"
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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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else:
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print "probleme when computing the mesh"
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