mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-22 10:42:52 +05:00
149 lines
3.7 KiB
Python
149 lines
3.7 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()
|
|
|
|
import math
|
|
|
|
# Geometrie
|
|
# =========
|
|
|
|
# Creer un cylindre ayant a chaque bout un morceau de sphere et le tout troue par un petit cylindrique excentre.
|
|
# Decouper en hexahedre et mailler.
|
|
|
|
# Donnees
|
|
# -------
|
|
|
|
# unite: millimetre
|
|
|
|
g_ox = 0
|
|
g_oy = 0
|
|
g_oz = 0
|
|
|
|
g_cyl_rayon = 1000
|
|
g_cyl_demiHauteur = 3000
|
|
|
|
g_trou_rayon = 5
|
|
g_trou_centre = 300
|
|
|
|
g_sphere_rayon = 3500
|
|
|
|
g_trim = 15000
|
|
|
|
# Cylindre
|
|
# --------
|
|
|
|
c_point = geompy.MakeVertex(g_ox, g_oy, g_oz-g_cyl_demiHauteur)
|
|
c_dir = geompy.MakeVectorDXDYDZ(0, 0, 1)
|
|
c_hauteur = 2*g_cyl_demiHauteur
|
|
|
|
c_cylindre = geompy.MakeCylinder(c_point, c_dir, g_cyl_rayon, c_hauteur)
|
|
|
|
# Sphere
|
|
# ------
|
|
|
|
s_hauteur = math.sqrt(g_sphere_rayon*g_sphere_rayon - g_cyl_rayon*g_cyl_rayon) - g_cyl_demiHauteur
|
|
|
|
s_sphere = geompy.MakeSphere(g_ox, g_oy, g_oz-s_hauteur, g_sphere_rayon)
|
|
|
|
# Calottes
|
|
# --------
|
|
|
|
c_outils = []
|
|
c_outils.append(geompy.MakePlane(geompy.MakeVertex(g_ox, g_oy, g_oz+g_cyl_demiHauteur), geompy.MakeVectorDXDYDZ(0, 0, 1), g_trim))
|
|
|
|
c_cpd = geompy.MakePartition([s_sphere], c_outils, [], [], geompy.ShapeType["SOLID"])
|
|
c_calotte_haut, c_reste = geompy.SubShapeAllSorted(c_cpd, geompy.ShapeType["SOLID"])
|
|
|
|
c_plan = geompy.MakePlane(geompy.MakeVertex(g_ox, g_oy, g_oz), geompy.MakeVectorDXDYDZ(0, 0, 1), g_trim)
|
|
c_calotte_bas = geompy.MakeMirrorByPlane(c_calotte_haut, c_plan)
|
|
|
|
# Fusionner
|
|
# ---------
|
|
|
|
f_piece1 = geompy.MakeFuse(c_cylindre, c_calotte_haut)
|
|
f_piece = geompy.MakeFuse(f_piece1, c_calotte_bas)
|
|
|
|
# Trouer
|
|
# ------
|
|
|
|
t_hauteur = g_sphere_rayon
|
|
t_point = geompy.MakeVertex(g_ox-g_trou_centre, g_oy, g_oz-t_hauteur)
|
|
t_trou = geompy.MakeCylinder(t_point, c_dir, g_trou_rayon, 2*t_hauteur)
|
|
|
|
t_piece = geompy.MakeCut(f_piece, t_trou)
|
|
|
|
# Decouper
|
|
# --------
|
|
|
|
h_outils = []
|
|
h_outils.append(geompy.MakePlane(t_point, geompy.MakeVectorDXDYDZ(1, 0, 0), g_trim))
|
|
h_outils.append(geompy.MakePlane(t_point, geompy.MakeVectorDXDYDZ(0, 1, 0), g_trim))
|
|
|
|
h_piece = geompy.MakePartition([t_piece], h_outils, [], [], geompy.ShapeType["SOLID"])
|
|
|
|
# Reparer
|
|
# -------
|
|
|
|
piece = geompy.RemoveExtraEdges(h_piece)
|
|
|
|
# Ajouter la piece dans l'etude
|
|
# -----------------------------
|
|
|
|
piece_id = geompy.addToStudy(piece, "ex18_dome2")
|
|
|
|
# Maillage
|
|
# ========
|
|
|
|
# Maillage hexahedrique
|
|
# ---------------------
|
|
|
|
hexa = smesh.Mesh(piece, "ex18_dome2:hexa")
|
|
|
|
algo = hexa.Segment()
|
|
algo.NumberOfSegments(2)
|
|
|
|
hexa.Quadrangle()
|
|
|
|
hexa.Hexahedron()
|
|
|
|
# Calcul du maillage
|
|
# ------------------
|
|
|
|
hexa.Compute()
|
|
|
|
# Update object browser
|
|
# ---------------------
|
|
|
|
salome.sg.updateObjBrowser()
|