mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-22 10:42:52 +05:00
150 lines
3.7 KiB
Python
150 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()
|
|
|
|
# Geometrie
|
|
# =========
|
|
|
|
# Creer un cylindre avec un trou cylindrique excentre, decoupage 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_trim = 15000
|
|
|
|
# Construire le 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)
|
|
|
|
# Trouer le cylindre par un minuscule cylindre excentre
|
|
# -----------------------------------------------------
|
|
|
|
t_hauteur = g_cyl_demiHauteur
|
|
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(c_cylindre, t_trou)
|
|
|
|
# Geometrie hexahedrique
|
|
# ======================
|
|
|
|
# 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"])
|
|
|
|
# Decouper pour les conditions locales
|
|
# ------------------------------------
|
|
|
|
l_outils = []
|
|
l_i = 1
|
|
l_n = 12
|
|
l_hauteur = c_hauteur/l_n
|
|
|
|
while l_i<l_n:
|
|
l_outils.append(geompy.MakePlane(geompy.MakeVertex(g_ox, g_oy, g_oz-g_cyl_demiHauteur+l_i*l_hauteur), c_dir, g_trim))
|
|
l_i = l_i+1
|
|
|
|
piece = geompy.MakePartition([h_piece], l_outils, [], [], geompy.ShapeType["SOLID"])
|
|
|
|
# Ajouter la piece dans l'etude
|
|
# -----------------------------
|
|
|
|
piece_id = geompy.addToStudy(piece, "ex14_cyl1holed")
|
|
|
|
# Maillage
|
|
# ========
|
|
|
|
# Creer un maillage hexahedrique
|
|
# ------------------------------
|
|
|
|
hexa = smesh.Mesh(piece, "ex14_cyl1holed:hexa")
|
|
|
|
algo = hexa.Segment()
|
|
algo.NumberOfSegments(4)
|
|
|
|
hexa.Quadrangle()
|
|
|
|
hexa.Hexahedron()
|
|
|
|
# Poser les hypotheses locales
|
|
# ----------------------------
|
|
|
|
m_i = 0
|
|
m_n = 12
|
|
m_h = c_hauteur/m_n
|
|
m_d = [4, 6, 8, 10, 10, 9, 8, 7, 6, 5, 4, 3]
|
|
|
|
m_x = g_ox+g_cyl_rayon
|
|
m_y = g_oy
|
|
m_z = g_oz-g_cyl_demiHauteur+m_h/2
|
|
|
|
while m_i<m_n:
|
|
m_p = geompy.MakeVertex(m_x, m_y, m_z + m_i*m_h)
|
|
m_e = geompy.GetEdgeNearPoint(piece, m_p)
|
|
m_a = hexa.Segment(m_e)
|
|
m_a.NumberOfSegments(m_d[m_i])
|
|
m_a.Propagation()
|
|
m_i = m_i + 1
|
|
|
|
# Calculer le maillage
|
|
# --------------------
|
|
|
|
hexa.Compute()
|
|
|
|
# Update object browser
|
|
# ---------------------
|
|
|
|
salome.sg.updateObjBrowser()
|