smesh/src/SMESH_SWIG/ex09_grid4build.py

116 lines
2.9 KiB
Python

# CEA/LGLS 2004-2005, Francis KLOSS (OCC)
# =======================================
from geompy import *
import smesh
import math
# Geometry
# ========
# Element of a grid compound by a square with a cylinder on each vertex build by points, edges, faces and solids
# Values
# ------
ox = 0
oy = 0
oz = 0
arete = 50
hauteur = 100
rayon = 10
demi = rayon/2
r3 = demi*math.sqrt(3)
# Points
# ------
piecePoint111 = MakeVertex(ox+rayon , oy, oz)
piecePoint211 = MakeVertex(ox+arete-rayon, oy, oz)
piecePoint112 = MakeVertex(ox , oy, oz+rayon)
piecePoint212 = MakeVertex(ox+arete , oy, oz+rayon)
piecePoint113 = MakeVertex(ox , oy, oz+arete-rayon)
piecePoint213 = MakeVertex(ox+arete , oy, oz+arete-rayon)
piecePoint114 = MakeVertex(ox+rayon , oy, oz+arete)
piecePoint214 = MakeVertex(ox+arete-rayon, oy, oz+arete)
pieceCenter1 = MakeVertex(ox , oy, oz)
pieceCenter2 = MakeVertex(ox+arete , oy, oz)
pieceCenter3 = MakeVertex(ox , oy, oz+arete)
pieceCenter4 = MakeVertex(ox+arete , oy, oz+arete)
piecePass1 = MakeVertex(ox+demi , oy, oz+r3)
piecePass2 = MakeVertex(ox+arete-demi , oy, oz+r3)
piecePass3 = MakeVertex(ox+arete-demi , oy, oz+arete-r3)
piecePass4 = MakeVertex(ox+demi , oy, oz+arete-r3)
# Edges
# -----
pieceEdgeSquare1 = MakeEdge(piecePoint111, piecePoint211)
pieceEdgeSquare2 = MakeEdge(piecePoint114, piecePoint214)
pieceEdgeSquare3 = MakeEdge(piecePoint112, piecePoint113)
pieceEdgeSquare4 = MakeEdge(piecePoint212, piecePoint213)
pieceEdgeDiagonal1 = MakeEdge(piecePoint111, piecePoint213)
pieceEdgeDiagonal2 = MakeEdge(piecePoint112, piecePoint214)
pieceEdgeArc1 = MakeArc(piecePoint111, piecePass1, piecePoint112)
pieceEdgeArc2 = MakeArc(piecePoint211, piecePass2, piecePoint212)
pieceEdgeArc3 = MakeArc(piecePoint213, piecePass3, piecePoint214)
pieceEdgeArc4 = MakeArc(piecePoint113, piecePass4, piecePoint114)
# Faces
# -----
pieceFace1 = MakeQuad(pieceEdgeSquare1, pieceEdgeArc2, pieceEdgeSquare4, pieceEdgeDiagonal1)
pieceFace2 = MakeQuad(pieceEdgeSquare2, pieceEdgeArc4, pieceEdgeSquare3, pieceEdgeDiagonal2)
pieceFace3 = MakeQuad(pieceEdgeArc1, pieceEdgeDiagonal1, pieceEdgeArc3, pieceEdgeDiagonal2)
# Solids
# ------
pieceVector = MakeVectorDXDYDZ(0, 1, 0)
pieceSolid1 = MakePrismVecH(pieceFace1, pieceVector, hauteur)
pieceSolid2 = MakePrismVecH(pieceFace2, pieceVector, hauteur)
pieceSolid3 = MakePrismVecH(pieceFace3, pieceVector, hauteur)
# Compound and glue
# -----------------
c_cpd = MakeCompound([pieceSolid1, pieceSolid2, pieceSolid3])
piece = MakeGlueFaces(c_cpd, 1.e-5)
# Add in study
# ------------
piece_id = addToStudy(piece, "ex09_grid4build")
# Meshing
# =======
# Create a hexahedral mesh
# ------------------------
hexa = smesh.Mesh(piece, "ex09_grid4build:hexa")
algo = hexa.Segment()
algo.NumberOfSegments(6)
hexa.Quadrangle()
hexa.Hexahedron()
# Mesh calculus
# -------------
hexa.Compute()