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gdd 2012-02-28 16:10:55 +00:00
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doc/salome/gui/SMESH/input/tui_defining_blsurf_hypotheses.doc
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@ -4,7 +4,7 @@
\anchor tui_blsurf \anchor tui_blsurf
<h2>Construction of Mesh using BLSurf algorithm</h2> <h2>Construction of Mesh using BLSurf algorithm</h2>
<h3>Basic hypothesis</h3>
\code \code
import geompy import geompy
import smesh import smesh
@ -22,7 +22,8 @@ Vertex_1 = geompy.SubShapeAllSorted(box, geompy.ShapeType["VERTEX"])[0]
Face_2 = geompy.SubShapeAllSorted(box, geompy.ShapeType["FACE"])[5] Face_2 = geompy.SubShapeAllSorted(box, geompy.ShapeType["FACE"])[5]
Wire_1 = geompy.SubShapeAllSorted(Face_2, geompy.ShapeType["WIRE"])[0] Wire_1 = geompy.SubShapeAllSorted(Face_2, geompy.ShapeType["WIRE"])[0]
# /!\ Geom object with sizemaps on them must be published in study # Geom object with sizemaps can be unpublished in study.
# They will then be automatically published.
geompy.addToStudyInFather(box,Face_1, "Face_1") geompy.addToStudyInFather(box,Face_1, "Face_1")
geompy.addToStudyInFather(box,Edge_1, "Edge_1") geompy.addToStudyInFather(box,Edge_1, "Edge_1")
geompy.addToStudyInFather(box,Vertex_1, "Vertex_1") geompy.addToStudyInFather(box,Vertex_1, "Vertex_1")
@ -36,6 +37,11 @@ blsurfMesh = smesh.Mesh(box,"box: BLSurf mesh")
# create a BLSurf algorithm for faces # create a BLSurf algorithm for faces
algo2d = blsurfMesh.Triangle(algo=smesh.BLSURF) algo2d = blsurfMesh.Triangle(algo=smesh.BLSURF)
# End of script
\endcode
<h3>Adding sizemaps</h3>
\code
# optional - set physical mesh to 2 = Size Map # optional - set physical mesh to 2 = Size Map
algo2d.SetPhysicalMesh( 2 ) algo2d.SetPhysicalMesh( 2 )
@ -52,6 +58,12 @@ algo2d.SetSizeMap(Vertex_1, 'def f(): return 2' )
# compute the mesh # compute the mesh
blsurfMesh.Compute() blsurfMesh.Compute()
# End of script
\endcode
<h3>Adding enforced vertices</h3>
\code
# Add enforced vertex for Face_1 on (50, 50, 50) # Add enforced vertex for Face_1 on (50, 50, 50)
# The projection coordinates will be (50, 50, 0) # The projection coordinates will be (50, 50, 0)
algo2d.SetEnforcedVertex(Face_1, 50, 50, 50) algo2d.SetEnforcedVertex(Face_1, 50, 50, 50)
@ -82,6 +94,12 @@ algo2d.UnsetEnforcedVertices(Face_1)
# compute the mesh # compute the mesh
blsurfMesh.Compute() blsurfMesh.Compute()
# End of script
\endcode
<h3>Adding an attractor</h3>
\code
# Add an attractor on Face_2, which shape is Wire_1 # Add an attractor on Face_2, which shape is Wire_1
@ -101,4 +119,38 @@ blsurfMesh.Compute()
\endcode \endcode
<h3>Using internal vertices</h3>
\code
# Creating a geometry containing internal vertices
Face_3 = geompy.MakeFaceHW(1, 1, 1)
Vertex_2 = geompy.MakeVertex(0.2, 0.2, 0)
Partition_1 = geompy.MakePartition([Face_3, Vertex_2], [], [], [], geompy.ShapeType["FACE"], 0, [], 0)
OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
Multi_Translation_1 = geompy.MakeMultiTranslation2D(Partition_1, OX, 1, 10, OY, 1, 10)
geompy.addToStudy( Face_3, 'Face_3' )
geompy.addToStudy( Vertex_2, 'Vertex_2' )
geompy.addToStudy( Partition_1, 'Partition_1' )
geompy.addToStudy( OX, 'OX' )
geompy.addToStudy( OY, 'OY' )
geompy.addToStudy( Multi_Translation_1, 'Multi-Translation_1' )
# The mesh on the geometry with internal vertices
blsurfMesh_internal = smesh.Mesh(Multi_Translation_1, "blsurfMesh_internal")
algo2d = blsurfMesh_internal.Triangle(algo=smesh.BLSURF)
algo2d.SetPhySize( 0.1 )
# Allows BLSURF to take into account internal vertices
algo2d.SetInternalEnforcedVertexAllFaces( True )
# Add the created nodes into a group
algo2d.SetInternalEnforcedVertexAllFacesGroup( "my group" )
# compute the mesh
blsurfMesh_internal.Compute()
# End of script
\endcode
*/ */