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81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
# Merging Elements
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import salome
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salome.salome_init()
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import GEOM
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from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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import SMESH, SALOMEDS
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from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New()
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# create a face to be meshed
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px = geompy.MakeVertex(100., 0. , 0. )
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py = geompy.MakeVertex(0. , 100., 0. )
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pz = geompy.MakeVertex(0. , 0. , 100.)
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vxy = geompy.MakeVector(px, py)
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arc = geompy.MakeArc(py, pz, px)
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wire = geompy.MakeWire([vxy, arc])
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isPlanarFace = 1
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face1 = geompy.MakeFace(wire, isPlanarFace)
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id_face1 = geompy.addToStudy(face1, "Face1")
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# create a circle to be an extrusion path
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px1 = geompy.MakeVertex( 100., 100., 0.)
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py1 = geompy.MakeVertex(-100., -100., 0.)
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pz1 = geompy.MakeVertex( 0., 0., 50.)
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circle = geompy.MakeCircleThreePnt(py1, pz1, px1)
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id_circle = geompy.addToStudy(circle, "Path")
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# create a 2D mesh on the face
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trias = smesh.Mesh(face1, "Face : 2D mesh")
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algo1D = trias.Segment()
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algo1D.NumberOfSegments(6)
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algo2D = trias.Triangle()
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algo2D.LengthFromEdges()
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trias.Compute()
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# create a path mesh
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circlemesh = smesh.Mesh(circle, "Path mesh")
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algo = circlemesh.Segment()
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algo.NumberOfSegments(10)
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circlemesh.Compute()
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# extrusion of the mesh
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trias.ExtrusionAlongPath([], circlemesh, circle,
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1, 0, [], 0, SMESH.PointStruct(0, 0, 0))
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# merge nodes
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print("Number of nodes before MergeNodes:", end=' ')
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trias.NbNodes()
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tolerance = 0.001
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array_of_nodes_groups = trias.FindCoincidentNodes(tolerance)
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trias.MergeNodes(array_of_nodes_groups)
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print("Number of nodes after MergeNodes:", trias.NbNodes())
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print("")
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print("Number of elements before MergeEqualElements:")
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print("Edges : ", trias.NbEdges())
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print("Triangles : ", trias.NbTriangles())
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print("Quadrangles: ", trias.NbQuadrangles())
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print("Volumes : ", trias.NbVolumes())
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# merge elements
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trias.MergeEqualElements()
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print("Number of elements after MergeEqualElements:")
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print("Edges : ", trias.NbEdges())
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print("Triangles : ", trias.NbTriangles())
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print("Quadrangles: ", trias.NbQuadrangles())
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print("Volumes : ", trias.NbVolumes())
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salome.sg.updateObjBrowser()
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