2003-12-08 20:43:20 +05:00
|
|
|
#
|
|
|
|
# Tetrahedrization of the geometry union of 3 boxes aligned where the middle
|
|
|
|
# one has a race in common with the two others.
|
|
|
|
# Hypothesis and algorithms for the mesh generation are global
|
|
|
|
#
|
|
|
|
|
|
|
|
import salome
|
|
|
|
import geompy
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
import StdMeshers
|
|
|
|
import NETGENPlugin
|
|
|
|
|
|
|
|
geom = salome.lcc.FindOrLoadComponent("FactoryServer", "GEOM")
|
|
|
|
smesh = salome.lcc.FindOrLoadComponent("FactoryServer", "SMESH")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
smeshgui = salome.ImportComponentGUI("SMESH")
|
|
|
|
smeshgui.Init(salome.myStudyId);
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
ShapeTypeShell = 3
|
|
|
|
ShapeTypeFace = 4
|
|
|
|
ShapeTypeEdge = 6
|
|
|
|
|
|
|
|
# ---- define 3 boxes box1, box2 and box3
|
|
|
|
|
|
|
|
box1 = geompy.MakeBox(0., 0., 0., 100., 200., 300.)
|
|
|
|
|
|
|
|
idbox1 = geompy.addToStudy(box1,"box1")
|
|
|
|
|
|
|
|
print "Analysis of the geometry box1 :"
|
|
|
|
subShellList=geompy.SubShapeAll(box1,ShapeTypeShell)
|
|
|
|
subFaceList=geompy.SubShapeAll(box1,ShapeTypeFace)
|
|
|
|
subEdgeList=geompy.SubShapeAll(box1,ShapeTypeEdge)
|
|
|
|
|
|
|
|
print "number of Shells in box1 : ",len(subShellList)
|
|
|
|
print "number of Faces in box1 : ",len(subFaceList)
|
|
|
|
print "number of Edges in box1 : ",len(subEdgeList)
|
|
|
|
|
|
|
|
box2 = geompy.MakeBox(100., 0., 0., 200., 200., 300.)
|
|
|
|
|
|
|
|
idbox2 = geompy.addToStudy(box2,"box2")
|
|
|
|
|
|
|
|
print "Analysis of the geometry box2 :"
|
|
|
|
subShellList=geompy.SubShapeAll(box2,ShapeTypeShell)
|
|
|
|
subFaceList=geompy.SubShapeAll(box2,ShapeTypeFace)
|
|
|
|
subEdgeList=geompy.SubShapeAll(box2,ShapeTypeEdge)
|
|
|
|
|
|
|
|
print "number of Shells in box2 : ",len(subShellList)
|
|
|
|
print "number of Faces in box2 : ",len(subFaceList)
|
|
|
|
print "number of Edges in box2 : ",len(subEdgeList)
|
|
|
|
|
|
|
|
box3 = geompy.MakeBox(0., 0., 300., 200., 200., 500.)
|
|
|
|
|
|
|
|
idbox3 = geompy.addToStudy(box3,"box3")
|
|
|
|
|
|
|
|
print "Analysis of the geometry box3 :"
|
|
|
|
subShellList=geompy.SubShapeAll(box3,ShapeTypeShell)
|
|
|
|
subFaceList=geompy.SubShapeAll(box3,ShapeTypeFace)
|
|
|
|
subEdgeList=geompy.SubShapeAll(box3,ShapeTypeEdge)
|
|
|
|
|
|
|
|
print "number of Shells in box3 : ",len(subShellList)
|
|
|
|
print "number of Faces in box3 : ",len(subFaceList)
|
|
|
|
print "number of Edges in box3 : ",len(subEdgeList)
|
|
|
|
|
|
|
|
blocs = []
|
|
|
|
blocs.append(box1._get_Name())
|
|
|
|
blocs.append(box2._get_Name())
|
|
|
|
blocs.append(box3._get_Name())
|
|
|
|
|
|
|
|
shell = geompy.Partition(blocs)
|
|
|
|
idshell = geompy.addToStudy(shell,"shell")
|
|
|
|
|
|
|
|
print "Analysis of the geometry shell (union of box1, box2 and box3) :"
|
|
|
|
subShellList=geompy.SubShapeAll(shell,ShapeTypeShell)
|
|
|
|
subFaceList=geompy.SubShapeAll(shell,ShapeTypeFace)
|
|
|
|
subEdgeList=geompy.SubShapeAll(shell,ShapeTypeEdge)
|
|
|
|
|
|
|
|
print "number of Shells in shell : ",len(subShellList)
|
|
|
|
print "number of Faces in shell : ",len(subFaceList)
|
|
|
|
print "number of Edges in shell : ",len(subEdgeList)
|
|
|
|
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
### ---------------------------- SMESH --------------------------------------
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
# ---- create Hypothesis
|
|
|
|
|
|
|
|
print "-------------------------- create Hypothesis"
|
|
|
|
|
|
|
|
print "-------------------------- NumberOfSegments"
|
|
|
|
|
|
|
|
numberOfSegments = 10
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
hypNbSeg=smesh.CreateHypothesis("NumberOfSegments", "libStdMeshersEngine.so")
|
2003-12-08 20:43:20 +05:00
|
|
|
hypNbSeg.SetNumberOfSegments(numberOfSegments)
|
2004-06-18 14:34:31 +06:00
|
|
|
|
2003-12-08 20:43:20 +05:00
|
|
|
print hypNbSeg.GetName()
|
2004-06-18 14:34:31 +06:00
|
|
|
print hypNbSeg.GetId()
|
2003-12-08 20:43:20 +05:00
|
|
|
print hypNbSeg.GetNumberOfSegments()
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
smeshgui.SetName(salome.ObjectToID(hypNbSeg), "NumberOfSegments_10")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
print "-------------------------- MaxElementArea"
|
|
|
|
|
|
|
|
maxElementArea = 500
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
hypArea=smesh.CreateHypothesis("MaxElementArea", "libStdMeshersEngine.so")
|
2003-12-08 20:43:20 +05:00
|
|
|
hypArea.SetMaxElementArea(maxElementArea)
|
2004-06-18 14:34:31 +06:00
|
|
|
|
2003-12-08 20:43:20 +05:00
|
|
|
print hypArea.GetName()
|
|
|
|
print hypArea.GetId()
|
|
|
|
print hypArea.GetMaxElementArea()
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
smeshgui.SetName(salome.ObjectToID(hypArea), "MaxElementArea_500")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
print "-------------------------- MaxElementVolume"
|
|
|
|
|
|
|
|
maxElementVolume = 500
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
hypVolume=smesh.CreateHypothesis("MaxElementVolume", "libStdMeshersEngine.so")
|
2003-12-08 20:43:20 +05:00
|
|
|
hypVolume.SetMaxElementVolume(maxElementVolume)
|
2004-06-18 14:34:31 +06:00
|
|
|
|
2003-12-08 20:43:20 +05:00
|
|
|
print hypVolume.GetName()
|
|
|
|
print hypVolume.GetId()
|
|
|
|
print hypVolume.GetMaxElementVolume()
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
smeshgui.SetName(salome.ObjectToID(hypVolume), "MaxElementVolume_500")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
# ---- create Algorithms
|
|
|
|
|
|
|
|
print "-------------------------- create Algorithms"
|
|
|
|
|
|
|
|
print "-------------------------- Regular_1D"
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
regular1D=smesh.CreateHypothesis("Regular_1D", "libStdMeshersEngine.so")
|
|
|
|
smeshgui.SetName(salome.ObjectToID(regular1D), "Wire Discretisation")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
print "-------------------------- MEFISTO_2D"
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
mefisto2D=smesh.CreateHypothesis("MEFISTO_2D", "libStdMeshersEngine.so")
|
|
|
|
smeshgui.SetName(salome.ObjectToID(mefisto2D), "MEFISTO_2D")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
print "-------------------------- NETGEN_3D"
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
netgen3D=smesh.CreateHypothesis("NETGEN_3D", "libNETGENEngine.so")
|
|
|
|
smeshgui.SetName(salome.ObjectToID(netgen3D), "NETGEN_3D")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
# ---- init a Mesh with the shell
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
mesh = smesh.CreateMesh(shell)
|
|
|
|
smeshgui.SetName(salome.ObjectToID(mesh), "MeshBox3")
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
# ---- add hypothesis to shell
|
|
|
|
|
|
|
|
print "-------------------------- add hypothesis to shell"
|
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
mesh.AddHypothesis(shell,regular1D)
|
|
|
|
mesh.AddHypothesis(shell,hypNbSeg)
|
2003-12-08 20:43:20 +05:00
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
mesh.AddHypothesis(shell,mefisto2D)
|
|
|
|
mesh.AddHypothesis(shell,hypArea)
|
2003-12-08 20:43:20 +05:00
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
mesh.AddHypothesis(shell,netgen3D)
|
|
|
|
mesh.AddHypothesis(shell,hypVolume)
|
2003-12-08 20:43:20 +05:00
|
|
|
|
2004-06-18 14:34:31 +06:00
|
|
|
salome.sg.updateObjBrowser(1)
|
2003-12-08 20:43:20 +05:00
|
|
|
|
|
|
|
print "-------------------------- compute shell"
|
2004-06-18 14:34:31 +06:00
|
|
|
ret= smesh.Compute(mesh,shell)
|
2003-12-08 20:43:20 +05:00
|
|
|
print ret
|
2004-06-18 14:34:31 +06:00
|
|
|
if ret != 0:
|
|
|
|
log=mesh.GetLog(0) # no erase trace
|
|
|
|
for linelog in log:
|
|
|
|
print linelog
|
|
|
|
print "Information about the MeshBox3:"
|
|
|
|
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 volumes : ", mesh.NbVolumes()
|
|
|
|
print "Number of tetrahedrons: ", mesh.NbTetras()
|
|
|
|
else:
|
|
|
|
print "probleme when computing the mesh"
|