smesh/src/SMESH_SWIG/ex05_hole1build.py

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# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
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#
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# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
#
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# 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
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# version 2.1 of the License, or (at your option) any later version.
#
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# 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.
#
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# 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
#
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# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
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# =======================================
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#
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New(salome.myStudy)
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New(salome.myStudy)
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import math
# Geometry
# ========
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# A centered holed cube build by build by points, edges, faces and solids
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# Values
# ------
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ox = 0
oy = 0
oz = 0
longueur = 100
largeur = 80
hauteur = 50
rayon = 10
# Points
# ------
basePoint111 = geompy.MakeVertex(ox , oy, oz)
basePoint211 = geompy.MakeVertex(ox+longueur, oy, oz)
basePoint112 = geompy.MakeVertex(ox , oy, oz+largeur)
basePoint212 = geompy.MakeVertex(ox+longueur, oy, oz+largeur)
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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 = geompy.MakeVertex(cx-dx, cy, cz-dz)
circlePoint2 = geompy.MakeVertex(cx+dx, cy, cz-dz)
circlePoint3 = geompy.MakeVertex(cx+dx, cy, cz+dz)
circlePoint4 = geompy.MakeVertex(cx-dx, cy, cz+dz)
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# Edges
# -----
squareEdge1 = geompy.MakeEdge(basePoint111, basePoint211)
squareEdge2 = geompy.MakeEdge(basePoint211, basePoint212)
squareEdge3 = geompy.MakeEdge(basePoint212, basePoint112)
squareEdge4 = geompy.MakeEdge(basePoint112, basePoint111)
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diagEdge1 = geompy.MakeEdge(basePoint111, circlePoint1)
diagEdge2 = geompy.MakeEdge(basePoint211, circlePoint2)
diagEdge3 = geompy.MakeEdge(basePoint212, circlePoint3)
diagEdge4 = geompy.MakeEdge(basePoint112, circlePoint4)
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arcEdge1 = geompy.MakeArc(circlePoint1, geompy.MakeVertex(cx , cy, cz-rayon), circlePoint2)
arcEdge2 = geompy.MakeArc(circlePoint2, geompy.MakeVertex(cx+rayon, cy, cz ), circlePoint3)
arcEdge3 = geompy.MakeArc(circlePoint3, geompy.MakeVertex(cx , cy, cz+rayon), circlePoint4)
arcEdge4 = geompy.MakeArc(circlePoint4, geompy.MakeVertex(cx-rayon, cy, cz ), circlePoint1)
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# Faces
# -----
baseFace1 = geompy.MakeQuad(squareEdge1, diagEdge2, arcEdge1, diagEdge1)
baseFace2 = geompy.MakeQuad(squareEdge2, diagEdge3, arcEdge2, diagEdge2)
baseFace3 = geompy.MakeQuad(squareEdge3, diagEdge4, arcEdge3, diagEdge3)
baseFace4 = geompy.MakeQuad(squareEdge4, diagEdge1, arcEdge4, diagEdge4)
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# Solids
# ------
baseVector = geompy.MakeVectorDXDYDZ(0, 1, 0)
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baseSolid1 = geompy.MakePrismVecH(baseFace1, baseVector, hauteur)
baseSolid2 = geompy.MakePrismVecH(baseFace2, baseVector, hauteur)
baseSolid3 = geompy.MakePrismVecH(baseFace3, baseVector, hauteur)
baseSolid4 = geompy.MakePrismVecH(baseFace4, baseVector, hauteur)
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# Compound
# --------
c_l = []
c_l.append(baseSolid1)
c_l.append(baseSolid2)
c_l.append(baseSolid3)
c_l.append(baseSolid4)
c_cpd = geompy.MakeCompound(c_l)
piece = geompy.MakeGlueFaces(c_cpd, 1.e-5)
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# Add in study
# ------------
piece_id = geompy.addToStudy(piece, "ex05_hole1build")
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# Meshing
# =======
# Create a hexahedral mesh
# ------------------------
hexa = smesh.Mesh(piece, "ex05_hole1build:hexa")
algo = hexa.Segment()
algo.NumberOfSegments(6, 3)
hexa.Quadrangle()
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hexa.Hexahedron()
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# Mesh calculus
# -------------
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hexa.Compute()