smesh/src/SMESH_SWIG/ex05_hole1build.py

142 lines
3.6 KiB
Python

# Copyright (C) 2005 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.
#
# 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
#
# CEA/LGLS 2004-2005, Francis KLOSS (OCC)
# =======================================
from geompy import *
import smesh
import math
# Geometry
# ========
# A centered holed cube build by build by points, edges, faces and solids
# Values
# ------
ox = 0
oy = 0
oz = 0
longueur = 100
largeur = 80
hauteur = 50
rayon = 10
# Points
# ------
basePoint111 = MakeVertex(ox , oy, oz)
basePoint211 = MakeVertex(ox+longueur, oy, oz)
basePoint112 = MakeVertex(ox , oy, oz+largeur)
basePoint212 = MakeVertex(ox+longueur, oy, oz+largeur)
cx = ox+longueur/2
cy = oy
cz = oz+largeur/2
ll = longueur/largeur
ll = ll*ll
dx = rayon/math.sqrt(1+ll)
dz = rayon/math.sqrt(1+1/ll)
circlePoint1 = MakeVertex(cx-dx, cy, cz-dz)
circlePoint2 = MakeVertex(cx+dx, cy, cz-dz)
circlePoint3 = MakeVertex(cx+dx, cy, cz+dz)
circlePoint4 = MakeVertex(cx-dx, cy, cz+dz)
# Edges
# -----
squareEdge1 = MakeEdge(basePoint111, basePoint211)
squareEdge2 = MakeEdge(basePoint211, basePoint212)
squareEdge3 = MakeEdge(basePoint212, basePoint112)
squareEdge4 = MakeEdge(basePoint112, basePoint111)
diagEdge1 = MakeEdge(basePoint111, circlePoint1)
diagEdge2 = MakeEdge(basePoint211, circlePoint2)
diagEdge3 = MakeEdge(basePoint212, circlePoint3)
diagEdge4 = MakeEdge(basePoint112, circlePoint4)
arcEdge1 = MakeArc(circlePoint1, MakeVertex(cx , cy, cz-rayon), circlePoint2)
arcEdge2 = MakeArc(circlePoint2, MakeVertex(cx+rayon, cy, cz ), circlePoint3)
arcEdge3 = MakeArc(circlePoint3, MakeVertex(cx , cy, cz+rayon), circlePoint4)
arcEdge4 = MakeArc(circlePoint4, MakeVertex(cx-rayon, cy, cz ), circlePoint1)
# Faces
# -----
baseFace1 = MakeQuad(squareEdge1, diagEdge2, arcEdge1, diagEdge1)
baseFace2 = MakeQuad(squareEdge2, diagEdge3, arcEdge2, diagEdge2)
baseFace3 = MakeQuad(squareEdge3, diagEdge4, arcEdge3, diagEdge3)
baseFace4 = MakeQuad(squareEdge4, diagEdge1, arcEdge4, diagEdge4)
# Solids
# ------
baseVector = MakeVectorDXDYDZ(0, 1, 0)
baseSolid1 = MakePrismVecH(baseFace1, baseVector, hauteur)
baseSolid2 = MakePrismVecH(baseFace2, baseVector, hauteur)
baseSolid3 = MakePrismVecH(baseFace3, baseVector, hauteur)
baseSolid4 = MakePrismVecH(baseFace4, baseVector, hauteur)
# Compound
# --------
c_l = []
c_l.append(baseSolid1)
c_l.append(baseSolid2)
c_l.append(baseSolid3)
c_l.append(baseSolid4)
c_cpd = MakeCompound(c_l)
piece = MakeGlueFaces(c_cpd, 1.e-5)
# Add in study
# ------------
piece_id = addToStudy(piece, "ex05_hole1build")
# Meshing
# =======
# Create a hexahedral mesh
# ------------------------
hexa = smesh.Mesh(piece, "ex05_hole1build:hexa")
algo = hexa.Segment()
algo.NumberOfSegments(6, 3)
hexa.Quadrangle()
hexa.Hexahedron()
# Mesh calculus
# -------------
hexa.Compute()