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142 lines
3.6 KiB
Python
142 lines
3.6 KiB
Python
# Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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#
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# CEA/LGLS 2004-2005, Francis KLOSS (OCC)
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# =======================================
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from geompy import *
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import smesh
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import math
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# Geometry
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# ========
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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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# ------
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ox = 0
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oy = 0
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oz = 0
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longueur = 100
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largeur = 80
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hauteur = 50
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rayon = 10
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# Points
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# ------
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basePoint111 = MakeVertex(ox , oy, oz)
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basePoint211 = MakeVertex(ox+longueur, oy, oz)
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basePoint112 = MakeVertex(ox , oy, oz+largeur)
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basePoint212 = MakeVertex(ox+longueur, oy, oz+largeur)
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cx = ox+longueur/2
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cy = oy
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cz = oz+largeur/2
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ll = longueur/largeur
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ll = ll*ll
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dx = rayon/math.sqrt(1+ll)
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dz = rayon/math.sqrt(1+1/ll)
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circlePoint1 = MakeVertex(cx-dx, cy, cz-dz)
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circlePoint2 = MakeVertex(cx+dx, cy, cz-dz)
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circlePoint3 = MakeVertex(cx+dx, cy, cz+dz)
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circlePoint4 = MakeVertex(cx-dx, cy, cz+dz)
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# Edges
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# -----
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squareEdge1 = MakeEdge(basePoint111, basePoint211)
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squareEdge2 = MakeEdge(basePoint211, basePoint212)
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squareEdge3 = MakeEdge(basePoint212, basePoint112)
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squareEdge4 = MakeEdge(basePoint112, basePoint111)
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diagEdge1 = MakeEdge(basePoint111, circlePoint1)
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diagEdge2 = MakeEdge(basePoint211, circlePoint2)
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diagEdge3 = MakeEdge(basePoint212, circlePoint3)
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diagEdge4 = MakeEdge(basePoint112, circlePoint4)
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arcEdge1 = MakeArc(circlePoint1, MakeVertex(cx , cy, cz-rayon), circlePoint2)
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arcEdge2 = MakeArc(circlePoint2, MakeVertex(cx+rayon, cy, cz ), circlePoint3)
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arcEdge3 = MakeArc(circlePoint3, MakeVertex(cx , cy, cz+rayon), circlePoint4)
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arcEdge4 = MakeArc(circlePoint4, MakeVertex(cx-rayon, cy, cz ), circlePoint1)
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# Faces
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# -----
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baseFace1 = MakeQuad(squareEdge1, diagEdge2, arcEdge1, diagEdge1)
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baseFace2 = MakeQuad(squareEdge2, diagEdge3, arcEdge2, diagEdge2)
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baseFace3 = MakeQuad(squareEdge3, diagEdge4, arcEdge3, diagEdge3)
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baseFace4 = MakeQuad(squareEdge4, diagEdge1, arcEdge4, diagEdge4)
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# Solids
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# ------
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baseVector = MakeVectorDXDYDZ(0, 1, 0)
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baseSolid1 = MakePrismVecH(baseFace1, baseVector, hauteur)
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baseSolid2 = MakePrismVecH(baseFace2, baseVector, hauteur)
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baseSolid3 = MakePrismVecH(baseFace3, baseVector, hauteur)
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baseSolid4 = MakePrismVecH(baseFace4, baseVector, hauteur)
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# Compound
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# --------
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c_l = []
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c_l.append(baseSolid1)
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c_l.append(baseSolid2)
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c_l.append(baseSolid3)
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c_l.append(baseSolid4)
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c_cpd = MakeCompound(c_l)
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piece = MakeGlueFaces(c_cpd, 1.e-5)
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# Add in study
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# ------------
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piece_id = addToStudy(piece, "ex05_hole1build")
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# Meshing
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# =======
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# Create a hexahedral mesh
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# ------------------------
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hexa = smesh.Mesh(piece, "ex05_hole1build:hexa")
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algo = hexa.Segment()
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algo.NumberOfSegments(6, 3)
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hexa.Quadrangle()
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hexa.Hexahedron()
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# Mesh calculus
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# -------------
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hexa.Compute()
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