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44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# Arithmetic Progression and Geometric Progression
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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 a box
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box = geom_builder.MakeBoxDXDYDZ(10., 10., 10.)
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geom_builder.addToStudy(box, "Box")
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# create a hexahedral mesh on the box
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hexa = smesh_builder.Mesh(box, "Box : hexahedrical mesh")
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# create a Regular 1D algorithm for edges
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algo1D = hexa.Segment()
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# optionally reverse node distribution on certain edges
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allEdges = geom_builder.SubShapeAllSorted( box, geom_builder.ShapeType["EDGE"])
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reversedEdges = [ allEdges[0], allEdges[4] ]
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# define "Arithmetic1D" hypothesis to cut all edges in several segments with increasing arithmetic length
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algo1D.Arithmetic1D(1, 4, reversedEdges)
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# define "Geometric Progression" hypothesis on one edge to cut this edge in segments with length increasing by 20% starting from 1
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gpAlgo = hexa.Segment( allEdges[1] )
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gpAlgo.GeometricProgression( 1, 1.2 )
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# propagate distribution of nodes computed using "Geometric Progression" to parallel edges
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gpAlgo.PropagationOfDistribution()
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# create a quadrangle 2D algorithm for faces
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hexa.Quadrangle()
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# create a hexahedron 3D algorithm for solids
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hexa.Hexahedron()
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# compute the mesh
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if not hexa.Compute(): raise Exception("Error when computing Mesh")
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