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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# Sew Side Elements
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import salome
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salome.salome_init_without_session()
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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 two boxes
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box1 = geompy.MakeBox(0., 0., 0., 10., 10., 10.)
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box2 = geompy.MakeBox(0., 15., 0., 20., 25., 10.)
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EdgesList = geompy.SubShapeAll(box2, geompy.ShapeType["EDGE"])
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aComp = geompy.MakeCompound([box1, box2])
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geompy.addToStudy(aComp, "Two boxes")
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# create a mesh on two boxes
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mesh = smesh.Mesh(aComp, "Sew Side Elements")
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algo1D = mesh.Segment()
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algo1D.NumberOfSegments(2)
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algo2D = mesh.Quadrangle()
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algo_local = mesh.Segment(EdgesList[8])
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algo_local.NumberOfSegments(4)
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algo_local.Propagation()
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mesh.Compute()
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# sew side elements
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# find elements to sew
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face1 = geompy.GetFaceNearPoint( aComp, geompy.MakeVertex( 5, 10, 5 ))
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IDsOfSide1Elements = mesh.GetSubMeshElementsId( face1 )
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print("side faces 1:",IDsOfSide1Elements)
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face1Translated = geompy.MakeTranslation( face1, 0,5,0 )
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faceFilter = smesh.GetFilter( SMESH.FACE, SMESH.FT_BelongToGeom,'=', face1Translated )
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IDsOfSide2Elements = mesh.GetIdsFromFilter( faceFilter )
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print("side faces 2:",IDsOfSide2Elements)
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# find corresponding nodes on sides
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edge1 = geompy.GetEdgeNearPoint( aComp, geompy.MakeVertex( 0, 10, 5 ))
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segs1 = mesh.GetSubMeshElementsId( edge1 ) # mesh segments generated on edge1
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NodeID1OfSide1ToMerge = mesh.GetElemNode( segs1[0], 0 )
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NodeID2OfSide1ToMerge = mesh.GetElemNode( segs1[0], 1 )
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print("nodes of side1:", [NodeID1OfSide1ToMerge,NodeID2OfSide1ToMerge])
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edge2 = geompy.GetEdgeNearPoint( aComp, geompy.MakeVertex( 0, 15, 5 ))
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segs2 = mesh.GetSubMeshElementsId( edge2 ) # mesh segments generated on edge2
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NodeID1OfSide2ToMerge = mesh.GetElemNode( segs2[0], 0 )
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NodeID2OfSide2ToMerge = mesh.GetElemNode( segs2[0], 1 )
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print("nodes of side2:", [NodeID1OfSide2ToMerge,NodeID2OfSide2ToMerge])
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res = mesh.SewSideElements(IDsOfSide1Elements, IDsOfSide2Elements,
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NodeID1OfSide1ToMerge, NodeID1OfSide2ToMerge,
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NodeID2OfSide1ToMerge, NodeID2OfSide2ToMerge)
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print(res)
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