mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-28 02:10:35 +05:00
301 lines
8.9 KiB
Python
301 lines
8.9 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2007-2019 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,
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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, or (at your option) any later version.
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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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# File : SMESH_fix_volute.py
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# Author : Paul RASCLE, EDF
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# Module : SMESH
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# $Header$
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#
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import salome
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salome.salome_init()
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import GEOM
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from salome.geom import geomBuilder
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geompy = geomBuilder.New()
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import math
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# -----------------------------------------------------------------------------
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def MakeFace(lstEdges) :
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"""
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Create a planar face from 4 edges
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"""
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wire = geompy.MakeWire(lstEdges)
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face = geompy.MakeFace(wire, 1)
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return face
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# -----------------------------------------------------------------------------
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# ---- dimensions
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##longueurPlq = 0.686
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##largeurPlq = 0.573
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##epaisseurPlq = 0.150
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##hauteurFlanc = 0.380
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##epaisseurFlanc = 0.112
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##rayonConge = 0.150 - epaisseurFlanc
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##epaisseurFond = 0.162
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##rayonTrou = 0.075
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##posAxeTrou = hauteurFlanc -(0.180 + rayonTrou)
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##marge = 0.01
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##tol3d = 1.e-5
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longueurPlq = 686
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largeurPlq = 573
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epaisseurPlq = 150
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hauteurFlanc = 380
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epaisseurFlanc = 112
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rayonConge = 150 - epaisseurFlanc
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epaisseurFond = 162
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rayonTrou = 75
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posAxeTrou = hauteurFlanc - (180 + rayonTrou)
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marge = 10
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tol3d = 1.e-3
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# ---- points, directions de base
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p0 = geompy.MakeVertex(0., 0., 0.)
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vx = geompy.MakeVectorDXDYDZ(100., 0., 0.)
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vy = geompy.MakeVectorDXDYDZ(0., 100., 0.)
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vz = geompy.MakeVectorDXDYDZ(0., 0., 100.)
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# ---- ellipse du flanc
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he = hauteurFlanc - 2*rayonConge
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re = 0.5*(largeurPlq - epaisseurFond) - rayonConge
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sine = re/he
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cose = math.sqrt(1. - sine*sine)
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ve = geompy.MakeVectorDXDYDZ(sine, 0., cose)
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cyl0 = geompy.MakeCylinder(p0, ve, re, 2*he)
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cyl1 = geompy.MakeRotation(cyl0, ve, 0.5)
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cyle = geompy.MakeTranslation(cyl1, -marge*sine, 0., -marge*cose)
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pbe = geompy.MakeVertex(3*he, -2*re, 3*he)
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boxe = geompy.MakeBoxTwoPnt(p0, pbe)
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cylcoup = geompy.MakeBoolean(cyle, boxe, 2)
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aretes = []
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aretes = geompy.SubShapeAllSorted(cylcoup, geompy.ShapeType["EDGE"])
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shape = geompy.MakeCopy(aretes[0])
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aShape = geompy.MakeTranslation(shape, 0., rayonConge + re, epaisseurPlq + 2*rayonConge)
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# -----------------------------------------------------------------------------
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# ---- decoupage de la piece en volumes a 6 faces de 4 cotes
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# -----------------------------------------------------------------------------
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# ---- cotes x
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x0 = 0.
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x0h = rayonConge
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x1 = rayonConge + epaisseurFlanc
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xc = longueurPlq/2
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x2 = longueurPlq - rayonConge - epaisseurFlanc
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x3h = longueurPlq - rayonConge
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x3 = longueurPlq
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# ---- cotes y
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y0 = 0.
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y0h = rayonConge
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y1 = largeurPlq - epaisseurFond
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y1m = y1 - marge
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y2 = largeurPlq
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y2p = largeurPlq + marge
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# ---- cotes z
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z0 = 0.
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z1m = epaisseurPlq - marge
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z1 = epaisseurPlq
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z2 = epaisseurPlq + rayonConge
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z3 = epaisseurPlq + 2*rayonConge
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z4 = epaisseurPlq + hauteurFlanc
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z4p = epaisseurPlq + hauteurFlanc + marge
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zc = epaisseurPlq + posAxeTrou
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zc2 = epaisseurPlq + (posAxeTrou - rayonTrou)/3
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zc3 = epaisseurPlq + 2*(posAxeTrou - rayonTrou)/3
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# ---- decoupe du fond
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p11 = geompy.MakeVertex(x1, y1m, z1)
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p12 = geompy.MakeVertex(x1, y1m, z2)
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p13 = geompy.MakeVertex(x1, y1m, z3)
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p14 = geompy.MakeVertex(x1, y1m, z4)
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pc1 = geompy.MakeVertex(xc, y1m, z1)
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pc2 = geompy.MakeVertex(xc, y1m, zc2)
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pc3 = geompy.MakeVertex(xc, y1m, zc3)
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pcc = geompy.MakeVertex(xc, y1m, zc)
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pc4 = geompy.MakeVertex(xc, y1m, z4)
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p21 = geompy.MakeVertex(x2, y1m, z1)
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p22 = geompy.MakeVertex(x2, y1m, z2)
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p23 = geompy.MakeVertex(x2, y1m, z3)
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p24 = geompy.MakeVertex(x2, y1m, z4)
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pcf = geompy.MakeVertex(xc, y2p, zc)
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arc2 = geompy.MakeArc(p12,pc2,p22)
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arc3 = geompy.MakeArc(p13,pc3,p23)
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segz1 = geompy.MakeVector(p11,p21)
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segz41 = geompy.MakeVector(p14,pc4)
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segz42 = geompy.MakeVector(pc4,p24)
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segx11 = geompy.MakeVector(p11,p12)
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segx12 = geompy.MakeVector(p12,p13)
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segx13 = geompy.MakeVector(p13,p14)
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segxc2 = geompy.MakeVector(pc1,pc2)
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segxc3 = geompy.MakeVector(pc2,pc3)
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segxc4 = geompy.MakeVector(pcc,pc4)
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segx21 = geompy.MakeVector(p21,p22)
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segx22 = geompy.MakeVector(p22,p23)
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segx23 = geompy.MakeVector(p23,p24)
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segx1c1 = geompy.MakeVector(p13,pcc)
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segx1c2 = geompy.MakeVector(p14,pcc)
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segx2c1 = geompy.MakeVector(p23,pcc)
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segx2c2 = geompy.MakeVector(p24,pcc)
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facef = []
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facef.append(MakeFace([segx13,segx1c2,segx1c1]))
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facef.append(MakeFace([segx23,segx2c2,segx2c1]))
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facef.append(MakeFace([segx2c2,segxc4,segz42]))
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facef.append(MakeFace([segx1c2,segz41,segxc4]))
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facef.append(MakeFace([segx1c1,arc3,segx2c1]))
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facef.append(MakeFace([segx12,arc2,segx22,arc3]))
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facef.append(MakeFace([segx11,segz1,segx21,arc2]))
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vcccf = geompy.MakeVector(pcc, pcf)
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hcccf = y2p - y1m
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decf = []
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for face in facef:
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decf.append(geompy.MakePrismVecH(face,vcccf,hcccf))
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pc = geompy.MakeVertex(xc, 0., zc)
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py2 = geompy.MakeVertex(xc, y2, zc)
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axeCyl = geompy.MakeVector(pc, py2)
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cylFond = geompy.MakeCylinder(pc, vy, rayonTrou, 1.1*largeurPlq)
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cylFond2 = geompy.MakeRotation(cylFond, axeCyl, math.pi)
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fondec = []
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for id in (0,1,2,3):
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fondec.append(geompy.MakeBoolean(decf[id], cylFond2, 2))
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fondec.append(geompy.MakeBoolean(decf[4], cylFond, 2))
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for id in (5,6):
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fondec.append(decf[id])
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p_xcy2pz4p = geompy.MakeVertex(xc,y2p,z4p)
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p_x3y2pz4p = geompy.MakeVertex(x3,y2p,z4p)
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pxc = geompy.MakeVertex(xc,y0,z0)
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bcut1 = geompy.MakeBoxTwoPnt(p0, p_xcy2pz4p)
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bcut2 = geompy.MakeBoxTwoPnt(pxc, p_x3y2pz4p)
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fondec2 = []
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for id in (0,1,2,3):
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fondec2.append(fondec[id])
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for id in (4,5,6):
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fondec2.append(geompy.MakeBoolean(fondec[id], bcut1, 1))
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fondec2.append(geompy.MakeBoolean(fondec[id], bcut2, 1))
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# ----- autres blocs de decoupe
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bcong1 = geompy.MakeBox(x0,y0,z1, x1,y1,z2)
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bcong2 = geompy.MakeBox(x0,y1,z1, x1,y2,z2)
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bcong3 = geompy.MakeBox(x2,y0,z1, x3,y1,z2)
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bcong4 = geompy.MakeBox(x2,y1,z1, x3,y2,z2)
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pcylx0 = geompy.MakeVertex(0., -marge, z2)
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pcylx3 = geompy.MakeVertex(longueurPlq, -marge, z2)
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pcyly0 = geompy.MakeVertex(-marge, 0., z2)
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cylcongx0 = geompy.MakeCylinder(pcylx0, vy, rayonConge, largeurPlq + 2*marge)
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cylcongx3 = geompy.MakeCylinder(pcylx3, vy, rayonConge, largeurPlq + 2*marge)
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cylcongy0 = geompy.MakeCylinder(pcyly0, vx, rayonConge, longueurPlq + 2*marge)
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bcong1 = geompy.MakeBoolean(bcong1,cylcongx0,2)
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bcong2 = geompy.MakeBoolean(bcong2,cylcongx0,2)
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bcong1 = geompy.MakeBoolean(bcong1,cylcongy0,2)
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#NRI : inverse order of BOP
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bcong3 = geompy.MakeBoolean(bcong3,cylcongy0,2)
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bcong3 = geompy.MakeBoolean(bcong3,cylcongx3,2)
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bcong4 = geompy.MakeBoolean(bcong4,cylcongx3,2)
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pf1 = geompy.MakeVertex(0., y0h, z3)
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pf2 = geompy.MakeVertex(0., y1, z3)
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pf3 = geompy.MakeVertex(0., y1, z4)
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pf4 = geompy.MakeVertex(0., 0.5*(largeurPlq - epaisseurFond) , z4)
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vf1 = geompy.MakeEdge(pf1, pf2)
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vf2 = geompy.MakeEdge(pf2, pf3)
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vf3 = geompy.MakeEdge(pf3, pf4)
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faceFlanc = MakeFace([vf1,vf2,vf3,aShape])
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flanc1 = geompy.MakePrismVecH(faceFlanc, vx, epaisseurFlanc)
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flanc2 = geompy.MakeCopy(flanc1)
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flanc1 = geompy.MakeTranslation(flanc1, rayonConge, 0., 0.)
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flanc2 = geompy.MakeTranslation(flanc2, longueurPlq - rayonConge - epaisseurFlanc, 0., 0.)
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# ---- constitution et decoupe des blocs
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boxfond2 = geompy.MakeBox(x0, y1, z0, x3, y2, z4p)
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blocs = []
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for dec in fondec2:
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blocs.append(geompy.MakeBoolean(boxfond2, dec, 1))
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blocs.append(geompy.MakeBox(x0,y1,z0, x1,y2,z1))
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blocs.append(geompy.MakeBox(x1,y1,z0, xc,y2,z1))
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blocs.append(geompy.MakeBox(xc,y1,z0, x2,y2,z1))
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blocs.append(geompy.MakeBox(x2,y1,z0, x3,y2,z1))
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blocs.append(geompy.MakeBox(x0,y0,z0, x1,y1,z1))
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blocs.append(geompy.MakeBox(x1,y0,z0, xc,y1,z1))
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blocs.append(geompy.MakeBox(xc,y0,z0, x2,y1,z1))
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blocs.append(geompy.MakeBox(x2,y0,z0, x3,y1,z1))
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blocs.append(bcong2)
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blocs.append(bcong4)
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blocs.append(bcong1)
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blocs.append(bcong3)
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blocs.append(geompy.MakeBox(x0h,y1, z2, x1, y2, z3))
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blocs.append(geompy.MakeBox(x2, y1, z2, x3h,y2, z3))
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blocs.append(geompy.MakeBox(x0h,y0h,z2, x1, y1, z3))
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blocs.append(geompy.MakeBox(x2, y0h,z2, x3h,y1, z3))
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blocs.append(geompy.MakeBox(x0h,y1, z3, x1, y2, z4))
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blocs.append(geompy.MakeBox(x2, y1, z3, x3h,y2, z4))
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blocs.append(flanc1)
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blocs.append(flanc2)
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compbloc = geompy.MakeCompound(blocs)
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idcomp = geompy.addToStudy(compbloc, "compbloc")
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# ---- eliminer les faces en double, solid-->shell
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compshell = geompy.MakeGlueFaces(compbloc,tol3d)
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idcomp = geompy.addToStudy(compshell, "compshell")
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