doc/salome/examples/cartesian_algo.py

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