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PR: update doc on flat elements, more robust geometry

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prascle 2012-01-31 10:51:54 +00:00
parent 2e832c29b9
commit 935c51bba9
1 changed files with 15 additions and 9 deletions
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24
doc/salome/gui/SMESH/input/tui_generate_flat_elements.doc
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@ -30,14 +30,19 @@ Cylinder_2 = geompy.MakeCylinder(Vertex_1, OX, 100, 400)
Vertex_2 = geompy.MakeVertex(-200, -200, -200) Vertex_2 = geompy.MakeVertex(-200, -200, -200)
Vertex_3 = geompy.MakeVertex(250, 200, 200) Vertex_3 = geompy.MakeVertex(250, 200, 200)
Box_1 = geompy.MakeBoxTwoPnt(Vertex_2, Vertex_3) Box_1 = geompy.MakeBoxTwoPnt(Vertex_2, Vertex_3)
Cut_1 = geompy.MakeCut(Cylinder_2, Cylinder_1) Fuse_1 = geompy.MakeFuse(Cylinder_1, Cylinder_2)
Partition_2 = geompy.MakePartition([Cut_1], [Box_1], [], [], geompy.ShapeType["SOLID"], 0, [], 0) Partition_1 = geompy.MakePartition([Fuse_1], [Cylinder_1, Box_1], [], [], geompy.ShapeType["SOLID"], 0, [], 0)
Fuse_1 = geompy.MakeFuse(Partition_2, Cylinder_1) [Solid_1,Solid_2] = geompy.GetShapesOnShape(Cylinder_1, Partition_1, geompy.ShapeType["SOLID"], geompy.GEOM.ST_IN)
Partition_1 = geompy.MakePartition([Fuse_1], [Cylinder_1], [], [], geompy.ShapeType["SOLID"], 0, [], 0) [Solid_3,Solid_4] = geompy.GetShapesOnShape(Cylinder_2, Partition_1, geompy.ShapeType["SOLID"], geompy.GEOM.ST_IN)
[Solid_1,Solid_2,Solid_3] = geompy.SubShapes(Partition_1, [53, 2, 30]) Vertex_4 = geompy.MakeVertex(450, 0, 0)
[Face_1,Face_2] = geompy.SubShapes(Partition_1, [37, 20]) Vertex_5 = geompy.MakeVertex(500, 0, 0)
Vertex_6 = geompy.MakeVertex(550, 0, 0)
vec1 = geompy.MakeVector(Vertex_4, Vertex_5)
vec2 = geompy.MakeVector(Vertex_5, Vertex_6)
[Face_1] = geompy.GetShapesOnPlane(Partition_1, geompy.ShapeType["FACE"], vec1, geompy.GEOM.ST_ON)
[Face_2] = geompy.GetShapesOnPlane(Partition_1, geompy.ShapeType["FACE"], vec2, geompy.GEOM.ST_ON)
# meshing (linear tetrahedrons are here, but other elements are OK) # meshing (we have linear tetrahedrons here, but other elements are OK)
Mesh_1 = smesh.Mesh(Partition_1) Mesh_1 = smesh.Mesh(Partition_1)
BLSURF = Mesh_1.Triangle(algo=smesh.BLSURF) BLSURF = Mesh_1.Triangle(algo=smesh.BLSURF)
@ -54,18 +59,19 @@ isDone = Mesh_1.Compute()
Solid_1_1 = Mesh_1.GroupOnGeom(Solid_1,'Solid_1',SMESH.VOLUME) Solid_1_1 = Mesh_1.GroupOnGeom(Solid_1,'Solid_1',SMESH.VOLUME)
Solid_2_1 = Mesh_1.GroupOnGeom(Solid_2,'Solid_2',SMESH.VOLUME) Solid_2_1 = Mesh_1.GroupOnGeom(Solid_2,'Solid_2',SMESH.VOLUME)
Solid_3_1 = Mesh_1.GroupOnGeom(Solid_3,'Solid_3',SMESH.VOLUME) Solid_3_1 = Mesh_1.GroupOnGeom(Solid_3,'Solid_3',SMESH.VOLUME)
Solid_4_1 = Mesh_1.GroupOnGeom(Solid_4,'Solid_4',SMESH.VOLUME)
Face_1_1 = Mesh_1.GroupOnGeom(Face_1,'Face_1',SMESH.FACE) Face_1_1 = Mesh_1.GroupOnGeom(Face_1,'Face_1',SMESH.FACE)
Face_2_1 = Mesh_1.GroupOnGeom(Face_2,'Face_2',SMESH.FACE) Face_2_1 = Mesh_1.GroupOnGeom(Face_2,'Face_2',SMESH.FACE)
\endcode \endcode
\n Here, the 3 groups of volumes [Solid_1_1, Solid_2_1, Solid_3_1] constitute a partition of the mesh. \n Here, the 4 groups of volumes [Solid_1_1, Solid_2_1, Solid_3_1, Solid_4_1] constitute a partition of the mesh.
The flat elements on group boundaries and on faces are built with the following code. The flat elements on group boundaries and on faces are built with the following code.
\n If the last argument (Boolean) in DoubleNodesOnGroupBoundaries is set to 1, \n If the last argument (Boolean) in DoubleNodesOnGroupBoundaries is set to 1,
the flat elements are built, otherwise, there is only a duplication of the nodes. the flat elements are built, otherwise, there is only a duplication of the nodes.
\code \code
Mesh_1.DoubleNodesOnGroupBoundaries([Solid_1_1, Solid_2_1, Solid_3_1], 1) Mesh_1.DoubleNodesOnGroupBoundaries([Solid_1_1, Solid_2_1, Solid_3_1, Solid_4_1], 1)
Mesh_1.CreateFlatElementsOnFacesGroups([Face_1_1, Face_2_1]) Mesh_1.CreateFlatElementsOnFacesGroups([Face_1_1, Face_2_1])
\endcode \endcode