mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-14 01:28:34 +05:00
258 lines
8.1 KiB
Python
258 lines
8.1 KiB
Python
# Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
|
|
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
# See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
|
|
#
|
|
#
|
|
#
|
|
# File : SMESH_withHole.py
|
|
# Author : Lucien PIGNOLONI
|
|
# Module : SMESH
|
|
# $Header$
|
|
|
|
#-------------------------------------------------------------------------
|
|
|
|
import salome
|
|
import geompy
|
|
|
|
import StdMeshers
|
|
|
|
# ---------------------------- GEOM --------------------------------------
|
|
|
|
# ---- define contigous arcs and segment to define a closed wire
|
|
p1 = geompy.MakeVertex( 100.0, 0.0, 0.0 )
|
|
p2 = geompy.MakeVertex( 50.0, 50.0, 0.0 )
|
|
p3 = geompy.MakeVertex( 100.0, 100.0, 0.0 )
|
|
arc1 = geompy.MakeArc( p1, p2, p3 )
|
|
|
|
p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
|
|
seg1 = geompy.MakeVector( p3, p4 )
|
|
|
|
p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
|
|
p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
|
|
arc2 = geompy.MakeArc( p4, p5, p6 )
|
|
|
|
p7 = geompy.MakeVertex( 120.0, 30.0, 0.0 )
|
|
arc3 = geompy.MakeArc( p6, p7, p1 )
|
|
|
|
# ---- define a closed wire with arcs and segment
|
|
List1 = []
|
|
List1.append( arc1 )
|
|
List1.append( seg1 )
|
|
List1.append( arc2 )
|
|
List1.append( arc3 )
|
|
|
|
wire1 = geompy.MakeWire( List1 )
|
|
Id_wire1 = geompy.addToStudy( wire1, "wire1" )
|
|
|
|
# ---- define a planar face with wire
|
|
WantPlanarFace = 1 #True
|
|
face1 = geompy.MakeFace( wire1, WantPlanarFace )
|
|
Id_face1 = geompy.addToStudy( face1, "face1" )
|
|
|
|
# ---- create a shape by extrusion
|
|
pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
|
|
pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
|
|
vz = geompy.MakeVector( pO, pz )
|
|
|
|
prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
|
|
Id_prism1 = geompy.addToStudy( prism1, "prism1" )
|
|
|
|
# ---- create two cylinders
|
|
pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
|
|
pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
|
|
|
|
radius = 20.0
|
|
height = 180.0
|
|
cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
|
|
cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
|
|
|
|
Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
|
|
Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
|
|
|
|
# ---- cut with cyl1
|
|
shape = geompy.MakeBoolean( prism1, cyl1, 2 )
|
|
|
|
# ---- fuse with cyl2 to obtain the final mechanic piece :)
|
|
mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
|
|
Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
|
|
|
|
# ---- explode on faces
|
|
SubFaceL = geompy.SubShapeAllSorted(mechanic, geompy.ShapeType["FACE"])
|
|
|
|
# ---- add a face sub shape in study to be meshed different
|
|
sub_face1 = SubFaceL[0]
|
|
name = geompy.SubShapeName( sub_face1, mechanic )
|
|
|
|
Id_SubFace1 = geompy.addToStudyInFather( mechanic, sub_face1, name )
|
|
|
|
# ---- add a face sub shape in study to be meshed different
|
|
sub_face2 = SubFaceL[4]
|
|
name = geompy.SubShapeName( sub_face2, mechanic )
|
|
|
|
Id_SubFace2 = geompy.addToStudyInFather( mechanic, sub_face2, name )
|
|
|
|
# ---- add a face sub shape in study to be meshed different
|
|
sub_face3 = SubFaceL[5]
|
|
name = geompy.SubShapeName( sub_face3, mechanic )
|
|
|
|
Id_SubFace3 = geompy.addToStudyInFather( mechanic, sub_face3, name )
|
|
|
|
# ---- add a face sub shape in study to be meshed different
|
|
sub_face4 = SubFaceL[10]
|
|
name = geompy.SubShapeName( sub_face4, mechanic )
|
|
|
|
Id_SubFace4 = geompy.addToStudyInFather( mechanic, sub_face4, name )
|
|
|
|
# ---------------------------- SMESH --------------------------------------
|
|
|
|
# ---- launch SMESH, init a Mesh with shape 'mechanic'
|
|
|
|
smesh = salome.lcc.FindOrLoadComponent("FactoryServer", "SMESH")
|
|
|
|
# -- Init --
|
|
shape_mesh = salome.IDToObject( Id_mechanic )
|
|
smesh.SetCurrentStudy(salome.myStudy)
|
|
|
|
mesh = smesh.CreateMesh(shape_mesh)
|
|
|
|
smeshgui = salome.ImportComponentGUI("SMESH")
|
|
smeshgui.Init(salome.myStudyId)
|
|
|
|
idmesh = salome.ObjectToID(mesh)
|
|
smeshgui.SetName( idmesh, "Mesh_mechanic" )
|
|
|
|
print "-------------------------- NumberOfSegments"
|
|
|
|
numberOfSegment = 10
|
|
|
|
hypNbSeg = smesh.CreateHypothesis( "NumberOfSegments", "libStdMeshersEngine.so" )
|
|
hypNbSeg.SetNumberOfSegments( numberOfSegment )
|
|
print hypNbSeg.GetName()
|
|
print hypNbSeg.GetId()
|
|
print hypNbSeg.GetNumberOfSegments()
|
|
|
|
smeshgui.SetName(salome.ObjectToID(hypNbSeg), "NumberOfSegments_10")
|
|
|
|
print "-------------------------- MaxElementArea"
|
|
|
|
maxElementArea = 25
|
|
|
|
hypArea25 = smesh.CreateHypothesis( "MaxElementArea", "libStdMeshersEngine.so" )
|
|
hypArea25.SetMaxElementArea( maxElementArea )
|
|
print hypArea25.GetName()
|
|
print hypArea25.GetId()
|
|
print hypArea25.GetMaxElementArea()
|
|
|
|
smeshgui.SetName(salome.ObjectToID(hypArea25), "MaxElementArea_25")
|
|
|
|
print "-------------------------- MaxElementArea"
|
|
|
|
maxElementArea = 35
|
|
|
|
hypArea35 = smesh.CreateHypothesis( "MaxElementArea", "libStdMeshersEngine.so" )
|
|
hypArea35.SetMaxElementArea( maxElementArea )
|
|
print hypArea35.GetName()
|
|
print hypArea35.GetId()
|
|
print hypArea35.GetMaxElementArea()
|
|
|
|
smeshgui.SetName(salome.ObjectToID(hypArea35), "MaxElementArea_35")
|
|
|
|
print "-------------------------- Regular_1D"
|
|
|
|
algoReg1D = smesh.CreateHypothesis( "Regular_1D", "libStdMeshersEngine.so" )
|
|
listHyp = algoReg1D.GetCompatibleHypothesis()
|
|
for hyp in listHyp:
|
|
print hyp
|
|
print algoReg1D.GetName()
|
|
print algoReg1D.GetId()
|
|
|
|
smeshgui.SetName(salome.ObjectToID(algoReg1D), "Regular_1D")
|
|
|
|
print "-------------------------- MEFISTO_2D"
|
|
|
|
algoMef = smesh.CreateHypothesis( "MEFISTO_2D", "libStdMeshersEngine.so" )
|
|
listHyp = algoMef.GetCompatibleHypothesis()
|
|
for hyp in listHyp:
|
|
print hyp
|
|
print algoMef.GetName()
|
|
print algoMef.GetId()
|
|
|
|
smeshgui.SetName(salome.ObjectToID(algoMef), "MEFISTO_2D")
|
|
|
|
print "-------------------------- SMESH_Quadrangle_2D"
|
|
|
|
algoQuad = smesh.CreateHypothesis( "Quadrangle_2D", "libStdMeshersEngine.so" )
|
|
listHyp = algoQuad.GetCompatibleHypothesis()
|
|
for hyp in listHyp:
|
|
print hyp
|
|
print algoQuad.GetName()
|
|
print algoQuad.GetId()
|
|
|
|
smeshgui.SetName(salome.ObjectToID(algoQuad), "SMESH_Quadrangle_2D")
|
|
|
|
print "-------------------------- add hypothesis to main shape"
|
|
|
|
mesh.AddHypothesis( shape_mesh, hypNbSeg ) # nb segments
|
|
mesh.AddHypothesis( shape_mesh, hypArea25 ) # max area
|
|
|
|
mesh.AddHypothesis( shape_mesh, algoReg1D ) # Regular 1D/wire discretisation
|
|
mesh.AddHypothesis( shape_mesh, algoMef ) # MEFISTO 2D
|
|
|
|
print "-------------------------- add hypothesis and algorithm to sub face 1"
|
|
|
|
submesh = mesh.GetSubMesh(sub_face1, "SubMeshFace1")
|
|
|
|
mesh.AddHypothesis( sub_face1, algoQuad ) # Quadrangle 2D
|
|
mesh.AddHypothesis( sub_face1, hypArea35 ) # max area
|
|
|
|
print "-------------------------- add hypothesis and algorithm to sub face 2"
|
|
|
|
submesh = mesh.GetSubMesh(sub_face2, "SubMeshFace2")
|
|
|
|
mesh.AddHypothesis( sub_face2, algoQuad ) # Quadrangle 2D
|
|
mesh.AddHypothesis( sub_face2, hypArea35 ) # max area
|
|
|
|
print "-------------------------- add hypothesis and algorith to sub face 3"
|
|
|
|
submesh = mesh.GetSubMesh(sub_face3, "SubMeshFace3")
|
|
|
|
mesh.AddHypothesis( sub_face3, algoQuad ) # Quadrangle 2D
|
|
mesh.AddHypothesis( sub_face3, hypArea35 ) # max area
|
|
|
|
print "-------------------------- add hypothesis and algorith to sub face 4"
|
|
|
|
submesh = mesh.GetSubMesh(sub_face4, "SubMeshFace4")
|
|
|
|
mesh.AddHypothesis( sub_face4, algoQuad ) # Quadrangle 2D
|
|
mesh.AddHypothesis( sub_face4, hypArea35 ) # max area
|
|
|
|
print "-------------------------- compute the mesh of the mechanic piece"
|
|
|
|
smesh.Compute(mesh, shape_mesh)
|
|
|
|
print "Information about the Mesh_mechanic:"
|
|
print "Number of nodes : ", mesh.NbNodes()
|
|
print "Number of edges : ", mesh.NbEdges()
|
|
print "Number of faces : ", mesh.NbFaces()
|
|
print "Number of triangles : ", mesh.NbTriangles()
|
|
print "Number of quadrangles : ", mesh.NbQuadrangles()
|
|
print "Number of volumes : ", mesh.NbVolumes()
|
|
print "Number of tetrahedrons: ", mesh.NbTetras()
|
|
|
|
salome.sg.updateObjBrowser(1)
|