mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-27 09:50:34 +05:00
173 lines
4.3 KiB
Python
173 lines
4.3 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
|
|
#
|
|
|
|
# =======================================
|
|
#
|
|
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()
|
|
|
|
# Geometry
|
|
# ========
|
|
|
|
# A not centered holed cube build by boolean geometric operations
|
|
|
|
# Values
|
|
# ------
|
|
|
|
ox = 0
|
|
oy = 0
|
|
oz = 0
|
|
|
|
longueur1 = 30
|
|
longueur2 = 70
|
|
|
|
largeur1 = 30
|
|
largeur2 = 50
|
|
|
|
hauteur = 50
|
|
|
|
rayon = 10
|
|
|
|
# Triangular face
|
|
# ---------------
|
|
|
|
def triangle(p1, p2, p3):
|
|
l = []
|
|
l.append(geompy.MakeEdge(p1, p2))
|
|
l.append(geompy.MakeEdge(p2, p3))
|
|
l.append(geompy.MakeEdge(p3, p1))
|
|
w = geompy.MakeWire(l)
|
|
return geompy.MakeFace(w, 1)
|
|
|
|
# Points
|
|
# ------
|
|
|
|
basePoint111 = geompy.MakeVertex(ox-longueur1, oy, oz-largeur1)
|
|
basePoint211 = geompy.MakeVertex(ox+longueur2, oy, oz-largeur1)
|
|
basePoint112 = geompy.MakeVertex(ox-longueur1, oy, oz+largeur2)
|
|
basePoint212 = geompy.MakeVertex(ox+longueur2, oy, oz+largeur2)
|
|
|
|
holePoint = geompy.MakeVertex(ox, oy, oz)
|
|
|
|
# Faces
|
|
# -----
|
|
|
|
baseFace1 = triangle(basePoint111, basePoint211, holePoint)
|
|
baseFace2 = triangle(basePoint211, basePoint212, holePoint)
|
|
baseFace3 = triangle(basePoint212, basePoint112, holePoint)
|
|
baseFace4 = triangle(basePoint112, basePoint111, holePoint)
|
|
|
|
# Solids
|
|
# ------
|
|
|
|
baseVector = geompy.MakeVectorDXDYDZ(0, 1, 0)
|
|
|
|
baseSolid1 = geompy.MakePrismVecH(baseFace1, baseVector, hauteur)
|
|
baseSolid2 = geompy.MakePrismVecH(baseFace2, baseVector, hauteur)
|
|
baseSolid3 = geompy.MakePrismVecH(baseFace3, baseVector, hauteur)
|
|
baseSolid4 = geompy.MakePrismVecH(baseFace4, baseVector, hauteur)
|
|
|
|
holeSolid = geompy.MakeCylinder(holePoint, baseVector, rayon, hauteur)
|
|
|
|
# Boolean operations
|
|
# ------------------
|
|
|
|
baseHexa1 = geompy.MakeCut(baseSolid1, holeSolid)
|
|
baseHexa2 = geompy.MakeCut(baseSolid2, holeSolid)
|
|
baseHexa3 = geompy.MakeCut(baseSolid3, holeSolid)
|
|
baseHexa4 = geompy.MakeCut(baseSolid4, holeSolid)
|
|
|
|
# Compound, glue and repair
|
|
# -------------------------
|
|
|
|
c_l = []
|
|
c_l.append(baseHexa1)
|
|
c_l.append(baseHexa2)
|
|
c_l.append(baseHexa3)
|
|
c_l.append(baseHexa4)
|
|
|
|
c_cpd = geompy.MakeCompound(c_l)
|
|
c_glu = geompy.MakeGlueFaces(c_cpd, 1.e-5)
|
|
piece = geompy.RemoveExtraEdges(c_glu, doUnionFaces=True)
|
|
|
|
# Add in study
|
|
# ------------
|
|
|
|
piece_id = geompy.addToStudy(piece, "ex06_hole1boolean")
|
|
|
|
# Meshing
|
|
# =======
|
|
|
|
# Create a hexahedral mesh
|
|
# ------------------------
|
|
|
|
hexa = smesh.Mesh(piece, "ex06_hole1boolean:hexa")
|
|
|
|
algo = hexa.Segment()
|
|
|
|
algo.NumberOfSegments(11)
|
|
|
|
hexa.Quadrangle()
|
|
|
|
hexa.Hexahedron()
|
|
|
|
# Create local hypothesis
|
|
# -----------------------
|
|
|
|
edge1 = geompy.GetEdgeNearPoint(piece, geompy.MakeVertex(ox, oy, oz-largeur1))
|
|
algo1 = hexa.Segment(edge1)
|
|
algo1.NumberOfSegments(3)
|
|
algo1.Propagation()
|
|
|
|
edge2 = geompy.GetEdgeNearPoint(piece, geompy.MakeVertex(ox-longueur1, oy, oz))
|
|
algo2 = hexa.Segment(edge2)
|
|
algo2.NumberOfSegments(5)
|
|
algo2.Propagation()
|
|
|
|
edge3 = geompy.GetEdgeNearPoint(piece, geompy.MakeVertex(ox, oy, oz+largeur2))
|
|
algo3 = hexa.Segment(edge3)
|
|
algo3.NumberOfSegments(7)
|
|
algo3.Propagation()
|
|
|
|
edge4 = geompy.GetEdgeNearPoint(piece, geompy.MakeVertex(ox+longueur2, oy, oz))
|
|
algo4 = hexa.Segment(edge4)
|
|
algo4.NumberOfSegments(9)
|
|
algo4.Propagation()
|
|
|
|
# Mesh calculus
|
|
# -------------
|
|
|
|
hexa.Compute()
|
|
|
|
# Update object browser
|
|
# ---------------------
|
|
|
|
salome.sg.updateObjBrowser()
|