##################################################################### #Created :17/02/2005 #Auhtor :MASLOV Eugeny, KOVALTCHUK Alexey ##################################################################### import geompy import salome import os import math import StdMeshers import SMESH #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"], [6]) 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 KERNEL_ROOT_DIR/examples/slots.brep" thePath = os.getenv("KERNEL_ROOT_DIR") theFileName = thePath + "/examples/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 = salome.lcc.FindOrLoadComponent("FactoryServer", "SMESH") # -- Init -- shape_mesh = salome.IDToObject( Cut_1_ID ) smesh.SetCurrentStudy(salome.myStudy) mesh = smesh.CreateMesh(shape_mesh) smeshgui = salome.ImportComponentGUI("SMESH") smeshgui.Init(salome.myStudyId) idmesh = salome.ObjectToID(mesh) smeshgui.SetName( idmesh, "Nut" ) #HYPOTHESIS CREATION print "-------------------------- Average length" theAverageLength = 5 hAvLength = smesh.CreateHypothesis( "LocalLength", "libStdMeshersEngine.so" ) hAvLength.SetLength( theAverageLength ) print hAvLength.GetName() print hAvLength.GetId() smeshgui.SetName(salome.ObjectToID(hAvLength), "AverageLength_5") print "-------------------------- MaxElementArea" theMaxElementArea = 20 hArea20 = smesh.CreateHypothesis( "MaxElementArea", "libStdMeshersEngine.so" ) hArea20.SetMaxElementArea( theMaxElementArea ) print hArea20.GetName() print hArea20.GetId() print hArea20.GetMaxElementArea() smeshgui.SetName(salome.ObjectToID(hArea20), "MaxElementArea_20") print "-------------------------- MaxElementVolume" theMaxElementVolume = 150 hVolume150 = smesh.CreateHypothesis( "MaxElementVolume", "libStdMeshersEngine.so" ) hVolume150.SetMaxElementVolume( theMaxElementVolume ) print hVolume150.GetName() print hVolume150.GetId() print hVolume150.GetMaxElementVolume() smeshgui.SetName(salome.ObjectToID(hVolume150), "MaxElementVolume_150") mesh.AddHypothesis(shape_mesh, hAvLength) mesh.AddHypothesis(shape_mesh, hArea20) mesh.AddHypothesis(shape_mesh, hVolume150) print "-------------------------- Regular_1D" algoReg1D = smesh.CreateHypothesis( "Regular_1D", "libStdMeshersEngine.so" ) listHyp = algoReg1D.GetCompatibleHypothesis() for hyp in listHyp: print hyp print algoReg1D.GetName() print algoReg1D.GetId() smeshgui.SetName(salome.ObjectToID(algoReg1D), "Wire discretisation") print "-------------------------- MEFISTO_2D" algoMef = smesh.CreateHypothesis( "MEFISTO_2D", "libStdMeshersEngine.so" ) listHyp = algoMef.GetCompatibleHypothesis() for hyp in listHyp: print hyp print algoMef.GetName() print algoMef.GetId() smeshgui.SetName(salome.ObjectToID(algoMef), "Triangle (Mefisto)") print "-------------------------- NETGEN_3D" algoNg = smesh.CreateHypothesis( "NETGEN_3D", "libNETGENEngine.so" ) print algoNg.GetName() print algoNg.GetId() smeshgui.SetName(salome.ObjectToID(algoNg), "Tetrahedron (NETGEN)") mesh.AddHypothesis(shape_mesh, algoReg1D) mesh.AddHypothesis(shape_mesh, algoMef) mesh.AddHypothesis(shape_mesh, algoNg) print "-------------------------- compute the mesh of the mechanic piece" smesh.Compute(mesh,shape_mesh) 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)