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67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
# Viscous layers construction
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import salome
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salome.salome_init()
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import GEOM
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from salome.geom import geomBuilder
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geompy = geomBuilder.New(salome.myStudy)
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import SMESH, SALOMEDS
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from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New(salome.myStudy)
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X = geompy.MakeVectorDXDYDZ( 1,0,0 )
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O = geompy.MakeVertex( 100,50,50 )
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plane = geompy.MakePlane( O, X, 200 ) # plane YZ
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box = geompy.MakeBoxDXDYDZ(200,100,100)
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shape = geompy.MakeHalfPartition( box, plane )
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faces = geompy.SubShapeAllSorted(shape, geompy.ShapeType["FACE"])
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face1 = faces[1]
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ignoreFaces = [ faces[0], faces[-1]]
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geompy.addToStudy( shape, "shape" )
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geompy.addToStudyInFather( shape, face1, "face1")
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# 3D Viscous layers
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mesh = smesh.Mesh(shape, "CFD")
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mesh.Segment().NumberOfSegments( 4 )
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mesh.Triangle()
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mesh.Quadrangle(face1)
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mesh.Compute()
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algo3D = mesh.Tetrahedron()
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thickness = 20
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numberOfLayers = 10
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stretchFactor = 1.5
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layersHyp = algo3D.ViscousLayers(thickness,numberOfLayers,stretchFactor,ignoreFaces)
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mesh.Compute()
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mesh.MakeGroup("Tetras",SMESH.VOLUME,SMESH.FT_ElemGeomType,"=",SMESH.Geom_TETRA)
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mesh.MakeGroup("Pyras",SMESH.VOLUME,SMESH.FT_ElemGeomType,"=",SMESH.Geom_PYRAMID)
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mesh.MakeGroup("Prims",SMESH.VOLUME,SMESH.FT_ElemGeomType,"=",SMESH.Geom_PENTA)
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# 2D Viscous layers
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# 3 edges of the 4 edges of face1
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edgeIds = geompy.SubShapeAllIDs( face1, geompy.ShapeType["EDGE"])[:-1]
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mesh = smesh.Mesh(face1,"VicsousLayers2D")
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mesh.Segment().NumberOfSegments( 5 )
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# viscous layers should be created on 1 edge, as we set 3 edges to ignore
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vlHyp = mesh.Triangle().ViscousLayers2D( 2, 3, 1.5, edgeIds, isEdgesToIgnore=True )
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mesh.Compute()
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# viscous layers should be created on 3 edges, as we pass isEdgesToIgnore=False
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vlHyp.SetEdges( edgeIds, False )
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mesh.Compute()
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