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51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
# Convert mesh to/from quadratic
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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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# create sphere of radius 100
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Sphere = geom_builder.MakeSphereR( 100 )
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geom_builder.addToStudy( Sphere, "Sphere" )
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# create simple tetrahedral mesh
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Mesh = smesh_builder.Mesh(Sphere)
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Mesh.Segment().NumberOfSegments(5)
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Mesh.Triangle()
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Mesh.Tetrahedron()
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# compute mesh
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Mesh.Compute()
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# convert to quadratic
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# theForce3d = 1; this results in the medium node lying at the
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# middle of the line segments connecting start and end node of a mesh
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# element
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Mesh.ConvertToQuadratic( theForce3d=1 )
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# revert back to the non-quadratic mesh
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Mesh.ConvertFromQuadratic()
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# convert to quadratic
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# theForce3d = 0; this results in the medium node lying at the
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# geometrical edge from which the mesh element is built
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Mesh.ConvertToQuadratic( theForce3d=0 )
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# to convert not the whole mesh but a sub-mesh, provide it as
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# an additional argument to the functions:
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# Mesh.ConvertToQuadratic( 0, subMesh )
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# Mesh.ConvertFromQuadratic( subMesh )
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#
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# Note that the mesh becomes non-conformal at conversion of sub-mesh.
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