doc/salome/examples/cartesian_algo.py

   1 # Usage of Body Fitting algorithm
   2
   3
   4 import salome
   5 salome.salome_init()
   6 import GEOM
   7 from salome.geom import geomBuilder
   8 geompy = geomBuilder.New(salome.myStudy)
   9
  10 import SMESH, SALOMEDS
  11 from salome.smesh import smeshBuilder
  12 smesh =  smeshBuilder.New(salome.myStudy)
  13 import salome_notebook
  14
  15
  16 # create a sphere
  17 sphere = geompy.MakeSphereR( 50 )
  18 geompy.addToStudy( sphere, "sphere" )
  19
  20 # create a mesh and assign a "Body Fitting" algo
  21 mesh = smesh.Mesh( sphere )
  22 cartAlgo = mesh.BodyFitted()
  23
  24 # define a cartesian grid using Coordinates
  25 coords = range(-100,100,10)
  26 cartHyp = cartAlgo.SetGrid( coords,coords,coords, 1000000)
  27
  28 # compute the mesh
  29 mesh.Compute()
  30 print "nb hexahedra",mesh.NbHexas()
  31 print "nb tetrahedra",mesh.NbTetras()
  32 print "nb polyhedra",mesh.NbPolyhedrons()
  33 print
  34
  35 # define the grid by setting constant spacing
  36 cartHyp = cartAlgo.SetGrid( "10","10","10", 1000000)
  37
  38 mesh.Compute()
  39 print "nb hexahedra",mesh.NbHexas()
  40 print "nb tetrahedra",mesh.NbTetras()
  41 print "nb polyhedra",mesh.NbPolyhedrons()
  42
  43
  44 # define the grid by setting different spacing in 2 sub-ranges of geometry
  45 spaceFuns = ["5","10+10*t"]
  46 cartAlgo.SetGrid( [spaceFuns, [0.5]], [spaceFuns, [0.5]], [spaceFuns, [0.25]], 10 )
  47
  48 mesh.Compute()
  49 print "nb hexahedra",mesh.NbHexas()
  50 print "nb tetrahedra",mesh.NbTetras()
  51 print "nb polyhedra",mesh.NbPolyhedrons()
  52 print