mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-25 17:00:34 +05:00
121 lines
2.8 KiB
Python
121 lines
2.8 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
|
|
# ========
|
|
|
|
# 5 box with a hexahedral mesh and with 2 box in tetrahedral mesh
|
|
|
|
# Values
|
|
# ------
|
|
|
|
arete = 100
|
|
|
|
arete0 = 0
|
|
arete1 = arete
|
|
arete2 = arete*2
|
|
arete3 = arete*3
|
|
|
|
# Solids
|
|
# ------
|
|
|
|
box_tetra1 = geompy.MakeBox(arete0, arete0, 0, arete1, arete1, arete)
|
|
|
|
box_ijk1 = geompy.MakeBox(arete1, arete0, 0, arete2, arete1, arete)
|
|
|
|
box_hexa = geompy.MakeBox(arete1, arete1, 0, arete2, arete2, arete)
|
|
|
|
box_ijk2 = geompy.MakeBox(arete2, arete1, 0, arete3, arete2, arete)
|
|
|
|
box_tetra2 = geompy.MakeBox(arete2, arete2, 0, arete3 ,arete3, arete)
|
|
|
|
# Piece
|
|
# -----
|
|
|
|
piece_cpd = geompy.MakeCompound([box_tetra1, box_ijk1, box_hexa, box_ijk2, box_tetra2])
|
|
|
|
piece = geompy.MakeGlueFaces(piece_cpd, 1e-4)
|
|
|
|
piece_id = geompy.addToStudy(piece, "ex04_cube5tetraHexa")
|
|
|
|
# Meshing
|
|
# =======
|
|
|
|
# Create a hexahedral mesh
|
|
# ------------------------
|
|
|
|
mixed = smesh.Mesh(piece, "ex04_cube5tetraHexa:mixed")
|
|
|
|
algo = mixed.Segment()
|
|
|
|
algo.StartEndLength(3, 25)
|
|
|
|
mixed.Quadrangle()
|
|
|
|
mixed.Hexahedron()
|
|
|
|
# Tetrahedral local mesh
|
|
# ----------------------
|
|
|
|
def localMesh(b, hyp):
|
|
box = geompy.GetInPlace(piece, b)
|
|
faces = geompy.SubShapeAll(box, geompy.ShapeType["FACE"])
|
|
|
|
i = 0
|
|
n = len(faces)
|
|
while i<n:
|
|
algo = mixed.Triangle(faces[i])
|
|
if hyp:
|
|
algo.MaxElementArea(80)
|
|
else:
|
|
algo.LengthFromEdges()
|
|
i = i + 1
|
|
|
|
algo = mixed.Tetrahedron(smeshBuilder.NETGEN, box)
|
|
algo.MaxElementVolume(400)
|
|
|
|
localMesh(box_tetra1, 1)
|
|
localMesh(box_tetra2, 0)
|
|
|
|
# Mesh calculus
|
|
# -------------
|
|
|
|
mixed.Compute()
|
|
|
|
# Update object browser
|
|
# ---------------------
|
|
|
|
salome.sg.updateObjBrowser()
|