mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-26 01:10:35 +05:00
152 lines
5.1 KiB
Python
152 lines
5.1 KiB
Python
# -*- coding: iso-8859-1 -*-
|
|
# Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
|
|
#
|
|
# Copyright (C) 2003-2007 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, or (at your option) any later version.
|
|
#
|
|
# 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.salome-platform.org/ or email : webmaster.salome@opencascade.com
|
|
#
|
|
|
|
# Tetrahedrization of the geometry union of 3 boxes aligned where the middle
|
|
# one has a race in common with the two others.
|
|
# Hypothesis and algorithms for the mesh generation are global
|
|
#
|
|
import salome
|
|
salome.salome_init()
|
|
import GEOM
|
|
from salome.geom import geomBuilder
|
|
geompy = geomBuilder.New()
|
|
|
|
import SMESH, SALOMEDS
|
|
from salome.smesh import smeshBuilder
|
|
smesh = smeshBuilder.New()
|
|
|
|
# ---- define 3 boxes box1, box2 and box3
|
|
|
|
box1 = geompy.MakeBox(0., 0., 0., 100., 200., 300.)
|
|
|
|
idbox1 = geompy.addToStudy(box1, "box1")
|
|
|
|
print("Analysis of the geometry box1 :")
|
|
subShellList = geompy.SubShapeAll(box1, geompy.ShapeType["SHELL"])
|
|
subFaceList = geompy.SubShapeAll(box1, geompy.ShapeType["FACE"])
|
|
subEdgeList = geompy.SubShapeAll(box1, geompy.ShapeType["EDGE"])
|
|
|
|
print("number of Shells in box1 : ", len(subShellList))
|
|
print("number of Faces in box1 : ", len(subFaceList))
|
|
print("number of Edges in box1 : ", len(subEdgeList))
|
|
|
|
box2 = geompy.MakeBox(100., 0., 0., 200., 200., 300.)
|
|
|
|
idbox2 = geompy.addToStudy(box2, "box2")
|
|
|
|
print("Analysis of the geometry box2 :")
|
|
subShellList = geompy.SubShapeAll(box2, geompy.ShapeType["SHELL"])
|
|
subFaceList = geompy.SubShapeAll(box2, geompy.ShapeType["FACE"])
|
|
subEdgeList = geompy.SubShapeAll(box2, geompy.ShapeType["EDGE"])
|
|
|
|
print("number of Shells in box2 : ", len(subShellList))
|
|
print("number of Faces in box2 : ", len(subFaceList))
|
|
print("number of Edges in box2 : ", len(subEdgeList))
|
|
|
|
box3 = geompy.MakeBox(0., 0., 300., 200., 200., 500.)
|
|
|
|
idbox3 = geompy.addToStudy(box3, "box3")
|
|
|
|
print("Analysis of the geometry box3 :")
|
|
subShellList = geompy.SubShapeAll(box3, geompy.ShapeType["SHELL"])
|
|
subFaceList = geompy.SubShapeAll(box3, geompy.ShapeType["FACE"])
|
|
subEdgeList = geompy.SubShapeAll(box3, geompy.ShapeType["EDGE"])
|
|
|
|
print("number of Shells in box3 : ", len(subShellList))
|
|
print("number of Faces in box3 : ", len(subFaceList))
|
|
print("number of Edges in box3 : ", len(subEdgeList))
|
|
|
|
shell = geompy.MakePartition([box1, box2, box3])
|
|
idshell = geompy.addToStudy(shell,"shell")
|
|
|
|
print("Analysis of the geometry shell (union of box1, box2 and box3) :")
|
|
subShellList = geompy.SubShapeAll(shell, geompy.ShapeType["SHELL"])
|
|
subFaceList = geompy.SubShapeAll(shell, geompy.ShapeType["FACE"])
|
|
subEdgeList = geompy.SubShapeAll(shell, geompy.ShapeType["EDGE"])
|
|
|
|
print("number of Shells in shell : ", len(subShellList))
|
|
print("number of Faces in shell : ", len(subFaceList))
|
|
print("number of Edges in shell : ", len(subEdgeList))
|
|
|
|
|
|
### ---------------------------- SMESH --------------------------------------
|
|
|
|
# ---- init a Mesh with the shell
|
|
|
|
mesh = smesh.Mesh(shell, "MeshBox3")
|
|
|
|
|
|
# ---- set Hypothesis and Algorithm
|
|
|
|
print("-------------------------- NumberOfSegments")
|
|
|
|
numberOfSegments = 10
|
|
|
|
regular1D = mesh.Segment()
|
|
hypNbSeg = regular1D.NumberOfSegments(numberOfSegments)
|
|
print(hypNbSeg.GetName())
|
|
print(hypNbSeg.GetId())
|
|
print(hypNbSeg.GetNumberOfSegments())
|
|
smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments))
|
|
|
|
print("-------------------------- MaxElementArea")
|
|
|
|
maxElementArea = 500
|
|
|
|
triangle = mesh.Triangle()
|
|
hypArea = triangle.MaxElementArea(maxElementArea)
|
|
print(hypArea.GetName())
|
|
print(hypArea.GetId())
|
|
print(hypArea.GetMaxElementArea())
|
|
smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea))
|
|
|
|
print("-------------------------- MaxElementVolume")
|
|
|
|
maxElementVolume = 500
|
|
|
|
netgen3D = mesh.Tetrahedron(smeshBuilder.NETGEN)
|
|
hypVolume = netgen3D.MaxElementVolume(maxElementVolume)
|
|
print(hypVolume.GetName())
|
|
print(hypVolume.GetId())
|
|
print(hypVolume.GetMaxElementVolume())
|
|
smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume))
|
|
|
|
print("-------------------------- compute shell")
|
|
ret = mesh.Compute()
|
|
print(ret)
|
|
if not ret:
|
|
raise Exception("Error when computing Mesh")
|
|
|
|
log = mesh.GetLog(0) # no erase trace
|
|
# for linelog in log:
|
|
# print(linelog)
|
|
print("Information about the MeshBox3:")
|
|
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 volumes : ", mesh.NbVolumes())
|
|
print("Number of tetrahedrons: ", mesh.NbTetras())
|
|
|
|
salome.sg.updateObjBrowser()
|