# -*- coding: iso-8859-1 -*- # Copyright (C) 2007-2010 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. # # 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 # ##################################################################### #Created :17/02/2005 #Auhtor :MASLOV Eugeny, KOVALTCHUK Alexey ##################################################################### # import geompy import salome import smesh import os import math #Sketcher_1 creation print "Sketcher creation..." Sketcher_1 = geompy.MakeSketcher("Sketcher:F 100 -57.7:TT 100 57.7:TT 0 115.47:TT -100 57.7:TT -100 -57.7:TT 0 -115.47:WW") geompy.addToStudy(Sketcher_1, "Sketcher_1") Face_1 = geompy.MakeFace(Sketcher_1, 1) geompy.addToStudy(Face_1, "Face_1") #Line creation print "Line creation..." Line_1 = geompy.MakeLineTwoPnt(geompy.MakeVertex(0,0,0), geompy.MakeVertex(0,0,100)) geompy.addToStudy(Line_1, "Line_1") #Prism creation print "Prism creation..." Prism_1 = geompy.MakePrismVecH(Face_1, Line_1, 100) geompy.addToStudy(Prism_1, "Prism_1") #Sketcher_2 creation print "Sketcher creation..." Sketcher_2 = geompy.MakeSketcher("Sketcher:F 50 0:TT 80 0:TT 112 13:TT 112 48:TT 80 63:TT 80 90:TT 50 90:WW", [0,0,0, 1,0,0, 0,1,0]) geompy.addToStudy(Sketcher_2, "Sketcher_2") Face_2 = geompy.MakeFace(Sketcher_2, 1) geompy.addToStudy(Face_2, "Face_2") #Revolution creation print "Revolution creation..." Revolution_1 = geompy.MakeRevolution(Face_2, Line_1, 2*math.pi) geompy.addToStudy(Revolution_1, "Revolution_1") #Common applying print "Common of Revolution and Prism..." Common_1 = geompy.MakeBoolean(Revolution_1, Prism_1, 1) geompy.addToStudy(Common_1, "Common_1") #Explode Common_1 on edges CommonExplodedListEdges = geompy.SubShapeAll(Common_1, geompy.ShapeType["EDGE"]) for i in range(0, len(CommonExplodedListEdges)): name = "Edge_"+str(i+1) geompy.addToStudyInFather(Common_1, CommonExplodedListEdges[i], name) #Fillet applying print "Fillet creation..." Fillet_1 = geompy.MakeFillet(Common_1, 10, geompy.ShapeType["EDGE"], [5]) geompy.addToStudy(Fillet_1, "Fillet_1") #Chamfer applying print "Chamfer creation..." Chamfer_1 = geompy.MakeChamferEdge(Fillet_1, 10, 10, 16, 50 ) geompy.addToStudy(Chamfer_1, "Chamfer_1") Chamfer_2 = geompy.MakeChamferEdge(Chamfer_1, 10, 10, 21, 31 ) geompy.addToStudy(Chamfer_2, "Chamfer_2") #Import of the shape from "slots.brep" print "Import multi-rotation from the DATA_DIR/Shapes/Brep/slots.brep" thePath = os.getenv("DATA_DIR") theFileName = os.path.join( thePath,"Shapes","Brep","slots.brep") theShapeForCut = geompy.ImportBREP(theFileName) geompy.addToStudy(theShapeForCut, "slot.brep_1") #Cut applying print "Cut..." Cut_1 = geompy.MakeBoolean(Chamfer_2, theShapeForCut, 2) Cut_1_ID = geompy.addToStudy(Cut_1, "Cut_1") #Mesh creation smesh.SetCurrentStudy(salome.myStudy) # -- Init -- shape_mesh = salome.IDToObject( Cut_1_ID ) mesh = smesh.Mesh(shape_mesh, "Nut") #HYPOTHESIS CREATION print "-------------------------- Average length" theAverageLength = 5 algoReg1D = mesh.Segment() hAvLength = algoReg1D.LocalLength(theAverageLength) print hAvLength.GetName() print hAvLength.GetId() print hAvLength.GetLength() smesh.SetName(hAvLength, "AverageLength_"+str(theAverageLength)) print "-------------------------- MaxElementArea" theMaxElementArea = 20 algoMef = mesh.Triangle(smesh.MEFISTO) hArea = algoMef.MaxElementArea( theMaxElementArea ) print hArea.GetName() print hArea.GetId() print hArea.GetMaxElementArea() smesh.SetName(hArea, "MaxElementArea_"+str(theMaxElementArea)) print "-------------------------- MaxElementVolume" theMaxElementVolume = 150 algoNg = mesh.Tetrahedron(smesh.NETGEN) hVolume = algoNg.MaxElementVolume( theMaxElementVolume ) print hVolume.GetName() print hVolume.GetId() print hVolume.GetMaxElementVolume() smesh.SetName(hVolume, "MaxElementVolume_"+str(theMaxElementVolume)) print "-------------------------- compute the mesh of the mechanic piece" mesh.Compute() print "Information about the Nut:" print "Number of nodes : ", mesh.NbNodes() print "Number of edges : ", mesh.NbEdges() print "Number of faces : ", mesh.NbFaces() print "Number of triangles : ", mesh.NbTriangles() print "Number of quadrangles : ", mesh.NbQuadrangles() print "Number of volumes : ", mesh.NbVolumes() print "Number of tetrahedrons: ", mesh.NbTetras() salome.sg.updateObjBrowser(1)