smesh/test/ex10_grid4geometry.py
2023-02-21 14:59:44 +01:00

113 lines
3.0 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
# ========
# Element of a grid compound by a square with a cylinder on each vertex build by using partition
# Values
# ------
ox = 0
oy = 0
oz = 0
arete = 50
hauteur = 100
rayon = 10
g_trim = 1000
# Box
# ---
piecePoint = geompy.MakeVertex(ox, oy, oz)
pieceBox = geompy.MakeBoxTwoPnt(piecePoint, geompy.MakeVertex(ox+arete, oy+hauteur, oz+arete))
# Cut by cylinders
# ----------------
dirUp = geompy.MakeVectorDXDYDZ(0, 1, 0)
pieceCut1 = geompy.MakeCut(pieceBox , geompy.MakeCylinder(piecePoint , dirUp, rayon, hauteur))
pieceCut2 = geompy.MakeCut(pieceCut1, geompy.MakeCylinder(geompy.MakeVertex(ox+arete, oy, oz ), dirUp, rayon, hauteur))
pieceCut3 = geompy.MakeCut(pieceCut2, geompy.MakeCylinder(geompy.MakeVertex(ox , oy, oz+arete), dirUp, rayon, hauteur))
pieceCut4 = geompy.MakeCut(pieceCut3, geompy.MakeCylinder(geompy.MakeVertex(ox+arete, oy, oz+arete), dirUp, rayon, hauteur))
# Compound by make a partition of a solid
# ---------------------------------------
dir = geompy.MakeVectorDXDYDZ(-1, 0, 1)
tools = []
tools.append(geompy.MakePlane(geompy.MakeVertex(ox+rayon, oy, oz ), dir, g_trim))
tools.append(geompy.MakePlane(geompy.MakeVertex(ox , oy, oz+rayon), dir, g_trim))
piece = geompy.MakePartition([pieceCut4], tools, [], [], geompy.ShapeType["SOLID"])
# Add in study
# ------------
piece_id = geompy.addToStudy(piece, "ex10_grid4geometry")
# Meshing
# =======
# Create a hexahedral mesh
# ------------------------
hexa = smesh.Mesh(piece, "ex10_grid4geometry:hexa")
algo = hexa.Segment()
algo.NumberOfSegments(10)
hexa.Quadrangle()
hexa.Hexahedron()
# Mesh calculus
# -------------
isDone = hexa.Compute()
if not isDone:
raise Exception("Error when computing Mesh")
# Update object browser
# ---------------------
salome.sg.updateObjBrowser()