2022-04-11 18:28:01 +05:00
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# Free Faces
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import salome
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salome.salome_init_without_session()
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import SMESH
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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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####### GEOM part ########
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Box_1 = geom_builder.MakeBoxDXDYDZ(200, 200, 200)
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Box_1_vertex_6 = geom_builder.GetSubShape(Box_1, [6])
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Box_1 = geom_builder.GetMainShape(Box_1_vertex_6)
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Box_1_vertex_16 = geom_builder.GetSubShape(Box_1, [16])
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Box_1 = geom_builder.GetMainShape(Box_1_vertex_16)
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Box_1_vertex_11 = geom_builder.GetSubShape(Box_1, [11])
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Box_1 = geom_builder.GetMainShape(Box_1_vertex_11)
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Plane_1 = geom_builder.MakePlaneThreePnt(Box_1_vertex_6, Box_1_vertex_16, Box_1_vertex_11, 2000)
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Partition_1 = geom_builder.MakePartition([Box_1], [Plane_1], [], [], geom_builder.ShapeType["SOLID"], 0, [], 0)
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Box_1_vertex_19 = geom_builder.GetSubShape(Box_1, [19])
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Box_1_vertex_21 = geom_builder.GetSubShape(Box_1, [21])
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Plane_2 = geom_builder.MakePlaneThreePnt(Box_1_vertex_16, Box_1_vertex_19, Box_1_vertex_21, 2000)
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geom_builder.addToStudy( Box_1, "Box_1" )
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geom_builder.addToStudyInFather( Box_1, Box_1_vertex_6, "Box_1:vertex_6" )
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geom_builder.addToStudyInFather( Box_1, Box_1_vertex_16, "Box_1:vertex_16" )
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geom_builder.addToStudyInFather( Box_1, Box_1_vertex_11, "Box_1:vertex_11" )
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geom_builder.addToStudy( Plane_1, "Plane_1" )
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geom_builder.addToStudy( Partition_1, "Partition_1" )
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geom_builder.addToStudyInFather( Box_1, Box_1_vertex_19, "Box_1:vertex_19" )
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geom_builder.addToStudyInFather( Box_1, Box_1_vertex_21, "Box_1:vertex_21" )
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geom_builder.addToStudy( Plane_2, "Plane_2" )
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###### SMESH part ######
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Mesh_1 = smesh_builder.Mesh(Partition_1)
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2022-04-15 20:49:22 +05:00
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Mesh_1.Segment().MaxSize(34.641)
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Mesh_1.Triangle()
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Mesh_1.Tetrahedron()
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2023-02-21 18:59:44 +05:00
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if not Mesh_1.Compute(): raise Exception("Error when computing Mesh")
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2022-04-11 18:28:01 +05:00
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# create a group of free faces
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aFilter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_FreeFaces )
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aFaceIds = Mesh_1.GetIdsFromFilter(aFilter)
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aGroup = Mesh_1.CreateEmptyGroup(SMESH.FACE, "Free_faces")
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aGroup.Add(aFaceIds)
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# print the result
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print("Criterion: Free faces Nb = ", len(aFaceIds))
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j = 1
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for i in range(len(aFaceIds)):
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if j > 20: j = 1; print("")
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print(aFaceIds[i], end=' ')
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j = j + 1
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pass
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print("")
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#filter faces from plane 2
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aFilter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_BelongToPlane, Plane_2)
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aFaceIds = Mesh_1.GetIdsFromFilter(aFilter)
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aGroup.Remove(aFaceIds)
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# create a group of shared faces (located on partition boundary inside box)
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aFilter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_BelongToPlane, Plane_1)
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aFaceIds = Mesh_1.GetIdsFromFilter(aFilter)
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aGroup = Mesh_1.CreateEmptyGroup(SMESH.FACE, "Shared_faces")
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aGroup.Add(aFaceIds)
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