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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# Split bi-quadratic to linear
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import salome
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salome.salome_init_without_session()
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from salome.geom import geomBuilder
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from salome.smesh import smeshBuilder
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geom_builder = geomBuilder.New()
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smesh_builder = smeshBuilder.New()
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# make a shape consisting of two quadranges
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OY = geom_builder.MakeVectorDXDYDZ(0, 1, 0)
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OY1 = geom_builder.MakeTranslation( OY, 1, 0, 0 )
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OY2 = geom_builder.MakeTranslation( OY, 2, 0, 0 )
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q1 = geom_builder.MakeQuad2Edges( OY, OY1 )
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q2 = geom_builder.MakeQuad2Edges( OY1, OY2 )
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shape = geom_builder.Partition( [q1,q2], theName='shape' )
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ff = geom_builder.SubShapeAll( shape, geom_builder.ShapeType["FACE"], theName="quad" )
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# mesh one quadrange with quadrangless and the other with triangles
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mesh = smesh_builder.Mesh( shape )
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mesh.Segment().NumberOfSegments(1)
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mesh.Quadrangle()
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mesh.Triangle( ff[1] )
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if not mesh.Compute(): raise Exception("Error when computing Mesh")
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# make group of quadrangles and extrude them into a hexahedron
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quadGroup = mesh.Group( ff[0], "quads")
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mesh.ExtrusionSweepObject2D( quadGroup, [0,0,1], 1 )
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# make the mesh bi-quadratic
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mesh.ConvertToQuadratic( theToBiQuad=True )
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# split all elements into linear ones
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mesh.SplitBiQuadraticIntoLinear()
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