smesh/test/SMESH_mechanic_tetra.py

164 lines
5.1 KiB
Python
Raw Permalink Normal View History

2012-08-09 16:03:55 +06:00
# -*- coding: iso-8859-1 -*-
2024-01-20 19:16:41 +05:00
# Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
2009-02-17 10:27:49 +05:00
#
2012-08-09 16:03:55 +06:00
# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
2004-12-01 15:48:31 +05:00
#
2012-08-09 16:03:55 +06:00
# 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
2014-02-20 18:25:37 +06:00
# version 2.1 of the License, or (at your option) any later version.
2004-12-01 15:48:31 +05:00
#
2012-08-09 16:03:55 +06:00
# 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.
2004-12-01 15:48:31 +05:00
#
2012-08-09 16:03:55 +06:00
# 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
2004-12-01 15:48:31 +05:00
#
2012-08-09 16:03:55 +06:00
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
2012-08-09 16:03:55 +06:00
# File : SMESH_withHole.py
# Author : Lucien PIGNOLONI
# Module : SMESH
# $Header$
2009-02-17 10:27:49 +05:00
#
import salome
salome.salome_init_without_session()
import GEOM
from salome.geom import geomBuilder
2017-06-13 15:01:10 +05:00
geompy = geomBuilder.New()
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
2017-06-13 15:01:10 +05:00
smesh = smeshBuilder.New()
2004-06-18 14:34:31 +06:00
# ---------------------------- GEOM --------------------------------------
# ---- define contiguous arcs and segment to define a closed wire
2004-12-01 15:48:31 +05:00
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 )
2004-12-01 15:48:31 +05:00
p4 = geompy.MakeVertex( 170.0, 100.0, 0.0 )
seg1 = geompy.MakeVector( p3, p4 )
2004-12-01 15:48:31 +05:00
p5 = geompy.MakeVertex( 200.0, 70.0, 0.0 )
p6 = geompy.MakeVertex( 170.0, 40.0, 0.0 )
arc2 = geompy.MakeArc( p4, p5, p6 )
2004-12-01 15:48:31 +05:00
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 )
2004-12-01 15:48:31 +05:00
wire1 = geompy.MakeWire( List1 )
Id_wire1 = geompy.addToStudy( wire1, "wire1" )
# ---- define a planar face with wire
WantPlanarFace = 1 #True
2004-12-01 15:48:31 +05:00
face1 = geompy.MakeFace( wire1, WantPlanarFace )
Id_face1 = geompy.addToStudy( face1, "face1" )
# ---- create a shape by extrusion
2004-12-01 15:48:31 +05:00
pO = geompy.MakeVertex( 0.0, 0.0, 0.0 )
pz = geompy.MakeVertex( 0.0, 0.0, 100.0 )
vz = geompy.MakeVector( pO, pz )
2004-12-01 15:48:31 +05:00
prism1 = geompy.MakePrismVecH( face1, vz, 100.0 )
Id_prism1 = geompy.addToStudy( prism1, "prism1")
# ---- create two cylinders
2004-12-01 15:48:31 +05:00
pc1 = geompy.MakeVertex( 90.0, 50.0, -40.0 )
pc2 = geompy.MakeVertex( 170.0, 70.0, -40.0 )
radius = 20.0
height = 180.0
2004-12-01 15:48:31 +05:00
cyl1 = geompy.MakeCylinder( pc1, vz, radius, height )
cyl2 = geompy.MakeCylinder( pc2, vz, radius, height )
2004-12-01 15:48:31 +05:00
Id_Cyl1 = geompy.addToStudy( cyl1, "cyl1" )
Id_Cyl2 = geompy.addToStudy( cyl2, "cyl2" )
2004-12-01 15:48:31 +05:00
# ---- cut with cyl1
shape = geompy.MakeBoolean( prism1, cyl1, 2 )
# ---- fuse with cyl2 to obtain the final mechanic piece :)
2004-12-01 15:48:31 +05:00
mechanic = geompy.MakeBoolean( shape, cyl2, 3 )
Id_mechanic = geompy.addToStudy( mechanic, "mechanic" )
# ---- Analysis of the geometry
2017-03-20 17:27:30 +05:00
print("Analysis of the geometry mechanic :")
2004-12-01 15:48:31 +05:00
subShellList = geompy.SubShapeAll(mechanic,geompy.ShapeType["SHELL"])
subFaceList = geompy.SubShapeAll(mechanic,geompy.ShapeType["FACE"])
subEdgeList = geompy.SubShapeAll(mechanic,geompy.ShapeType["EDGE"])
2017-03-20 17:27:30 +05:00
print("number of Shells in mechanic : ",len(subShellList))
print("number of Faces in mechanic : ",len(subFaceList))
print("number of Edges in mechanic : ",len(subEdgeList))
### ---------------------------- SMESH --------------------------------------
shape_mesh = salome.IDToObject( Id_mechanic )
mesh = smesh.Mesh(shape_mesh, "Mesh_mechanic_tetra")
2017-03-20 17:27:30 +05:00
print("-------------------------- add hypothesis to main mechanic")
numberOfSegment = 10
algo1 = mesh.Segment()
hypNbSeg = algo1.NumberOfSegments(numberOfSegment)
2017-03-20 17:27:30 +05:00
print(hypNbSeg.GetName())
print(hypNbSeg.GetId())
print(hypNbSeg.GetNumberOfSegments())
smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegment))
maxElementArea = 20
2022-04-15 20:49:22 +05:00
algo2 = mesh.Triangle()
hypArea = algo2.MaxElementArea(maxElementArea)
2017-03-20 17:27:30 +05:00
print(hypArea.GetName())
print(hypArea.GetId())
print(hypArea.GetMaxElementArea())
smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea))
maxElementVolume = 20
algo3 = mesh.Tetrahedron(smeshBuilder.NETGEN)
hypVolume = algo3.MaxElementVolume(maxElementVolume)
2017-03-20 17:27:30 +05:00
print(hypVolume.GetName())
print(hypVolume.GetId())
print(hypVolume.GetMaxElementVolume())
smesh.SetName(hypVolume, "maxElementVolume_" + str(maxElementVolume))
2017-03-20 17:27:30 +05:00
print("-------------------------- compute the mesh of the mechanic piece")
isDone = mesh.Compute()
if not isDone:
raise Exception("Error when computing Mesh")
2004-06-18 14:34:31 +06:00
2017-03-20 17:27:30 +05:00
print("Information about the Mesh_mechanic_tetra:")
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())
2004-06-18 14:34:31 +06:00
2017-06-13 15:01:10 +05:00
salome.sg.updateObjBrowser()