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https://git.salome-platform.org/gitpub/modules/smesh.git
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64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# Propagation
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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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base = geom_builder.MakeSketcher("Sketcher:F 0 0:TT 10 0:TT 20 10:TT 0 10:WF", theName="F")
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box = geom_builder.MakePrismDXDYDZ( base, 0,0,10 )
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geom_builder.addToStudy(box, "Box")
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# get one edge of the box to put local hypothesis on
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p5 = geom_builder.MakeVertex(5., 0., 0.)
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EdgeX = geom_builder.GetEdgeNearPoint(box, p5)
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geom_builder.addToStudyInFather(box, EdgeX, "Edge [0,0,0 - 10,0,0]")
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# create a hexahedral mesh on the box
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hexa = smesh_builder.Mesh(box, "Propagation of hypothesis")
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# set global algorithms and hypotheses
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algo1D = hexa.Segment()
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hexa.Quadrangle()
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hexa.Hexahedron()
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algo1D.NumberOfSegments(4)
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# create a sub-mesh with local 1D hypothesis and "Propagation of 1D Hypothesis"
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algo_local = hexa.Segment(EdgeX)
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# define "Arithmetic1D" hypothesis to cut an edge in several segments with increasing length
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algo_local.Arithmetic1D(1, 4)
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# define "Propagation" hypothesis that propagates "Arithmetic1D" hypothesis
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# from 'EdgeX' on opposite sides of all quadilateral faces
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algo_local.Propagation()
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# compute the mesh which contains prisms
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if not hexa.Compute(): raise Exception("Error when computing Mesh")
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# create another mesh on the box
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mesh = smesh_builder.Mesh(box, "Propagation of distribution of nodes")
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# set global algorithms and hypotheses
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algo1D = mesh.Segment()
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mesh.Quadrangle()
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mesh.Hexahedron()
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algo1D.NumberOfSegments(4)
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# create a sub-mesh with local 1D hypothesis and "Propagation of Node Distribution"
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algo_local = mesh.Segment(EdgeX)
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algo_local.Arithmetic1D(1, 4)
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# define "Propagation Of Distribution" hypothesis that propagates
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# distribution of nodes generated by "Arithmetic1D" hypothesis
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# from 'EdgeX' on opposite sides of all quadilateral faces
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algo_local.PropagationOfDistribution()
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# compute the mesh which contains hexahedra only
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if not mesh.Compute(): raise Exception("Error when computing Mesh")
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