src/SMESH_SWIG/ex08_hole2build.py

   1 # CEA/LGLS 2004-2005, Francis KLOSS (OCC)
   2 # =======================================
   3
   4 from geompy import *
   5
   6 import smesh
   7
   8 # Geometry
   9 # ========
  10
  11 # A twice holed cube build by points, edges, faces and solids
  12
  13 # Values
  14 # ------
  15
  16 ox = 0
  17 oy = 0
  18 oz = 0
  19
  20 longueur = 200
  21 largeur  = 100
  22 hauteur  =  80
  23
  24 cylindre = 50
  25
  26 rayon = 20
  27
  28 # Points
  29 # ------
  30
  31 piecePoint1 = MakeVertex(ox         , oy, oz)
  32 piecePoint2 = MakeVertex(ox+longueur, oy, oz)
  33 piecePoint3 = MakeVertex(ox+longueur, oy, oz+largeur)
  34 piecePoint4 = MakeVertex(ox         , oy, oz+largeur)
  35
  36 cz = oz+largeur/2
  37
  38 cylPoint1    = MakeVertex(ox+cylindre         , oy, cz-rayon)
  39 cylPoint2    = MakeVertex(ox+longueur-cylindre, oy, cz-rayon)
  40 cylPoint3    = MakeVertex(ox+longueur-cylindre, oy, cz+rayon)
  41 cylPoint4    = MakeVertex(ox+cylindre         , oy, cz+rayon)
  42
  43 # Edges
  44 # -----
  45
  46 pieceEdge1 = MakeEdge(piecePoint1, piecePoint4)
  47 pieceEdge2 = MakeEdge(piecePoint1, cylPoint1)
  48 pieceEdge3 = MakeEdge(piecePoint4, cylPoint4)
  49
  50 pieceEdge4 = MakeEdge(piecePoint2, piecePoint3)
  51 pieceEdge5 = MakeEdge(piecePoint2, cylPoint2)
  52 pieceEdge6 = MakeEdge(piecePoint3, cylPoint3)
  53
  54 pieceEdge7 = MakeEdge(cylPoint1, cylPoint2)
  55 pieceEdge8 = MakeEdge(cylPoint3, cylPoint4)
  56
  57 cylEdge1 = MakeArc(cylPoint1, MakeVertex(ox+cylindre-rayon         , oy, cz), cylPoint4)
  58 cylEdge2 = MakeArc(cylPoint1, MakeVertex(ox+cylindre+rayon         , oy, cz), cylPoint4)
  59 cylEdge3 = MakeArc(cylPoint2, MakeVertex(ox+longueur-cylindre-rayon, oy, cz), cylPoint3)
  60 cylEdge4 = MakeArc(cylPoint2, MakeVertex(ox+longueur-cylindre+rayon, oy, cz), cylPoint3)
  61
  62 # Faces
  63 # -----
  64
  65 pieceFace1 = MakeQuad4Vertices(piecePoint1, piecePoint2, cylPoint2 , cylPoint1 )
  66 pieceFace2 = MakeQuad         (pieceEdge1 , pieceEdge2 , cylEdge1  , pieceEdge3)
  67 pieceFace3 = MakeQuad4Vertices(piecePoint3, piecePoint4, cylPoint4 , cylPoint3 )
  68 pieceFace4 = MakeQuad         (pieceEdge4 , pieceEdge5 , cylEdge4  , pieceEdge6)
  69 pieceFace5 = MakeQuad         (pieceEdge7 , cylEdge3   , pieceEdge8, cylEdge2  )
  70
  71 # Solids
  72 # ------
  73
  74 pieceVector = MakeVectorDXDYDZ(0, 1, 0)
  75
  76 pieceSolid1 = MakePrismVecH(pieceFace1, pieceVector, hauteur)
  77 pieceSolid2 = MakePrismVecH(pieceFace2, pieceVector, hauteur)
  78 pieceSolid3 = MakePrismVecH(pieceFace3, pieceVector, hauteur)
  79 pieceSolid4 = MakePrismVecH(pieceFace4, pieceVector, hauteur)
  80 pieceSolid5 = MakePrismVecH(pieceFace5, pieceVector, hauteur)
  81
  82 # Compound and glue
  83 # -----------------
  84
  85 c_cpd = MakeCompound([pieceSolid1, pieceSolid2, pieceSolid3, pieceSolid4, pieceSolid5])
  86
  87 piece = MakeGlueFaces(c_cpd, 1.e-5)
  88
  89 # Add in study
  90 # ------------
  91
  92 piece_id = addToStudy(piece, "ex08_hole2build")
  93
  94 # Meshing
  95 # =======
  96
  97 # Create a hexahedral mesh
  98 # ------------------------
  99
 100 hexa = smesh.Mesh(piece, "ex08_hole2build:hexa")
 101
 102 algo = hexa.Segment()
 103 algo.NumberOfSegments(7)
 104
 105 hexa.Quadrangle()
 106
 107 hexa.Hexahedron()
 108
 109 # Mesh calculus
 110 # -------------
 111
 112 hexa.Compute()