mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-09-24 19:52:51 +05:00
114 lines
2.3 KiB
Python
114 lines
2.3 KiB
Python
# CEA/LGLS 2004-2005, Francis KLOSS (OCC)
|
|
# =======================================
|
|
|
|
from geompy import *
|
|
|
|
import smesh
|
|
|
|
# Geometry
|
|
# ========
|
|
|
|
# grid compound of 17 x 17 elements
|
|
# an element is compound of 3 concentric cylinders
|
|
# an element is centered in a square of the grid
|
|
|
|
# prism the grid, and mesh it in hexahedral way
|
|
|
|
# Values
|
|
# ------
|
|
|
|
g_x = 0
|
|
g_y = 0
|
|
g_z = 0
|
|
|
|
g_arete = 50
|
|
g_hauteur = 30
|
|
|
|
g_rayon1 = 20
|
|
g_rayon2 = 30
|
|
g_rayon3 = 40
|
|
|
|
g_grid = 17
|
|
|
|
g_trim = 1000
|
|
|
|
# Solids and rotation to prevent repair
|
|
# -------------------------------------
|
|
|
|
s_boite = MakeBox(g_x-g_arete, g_y-g_hauteur, g_z-g_arete, g_x+g_arete, g_y+g_hauteur, g_z+g_arete)
|
|
|
|
s_pi4 = 3.141592653/4
|
|
s_hauteur = 2*g_hauteur
|
|
s_centre = MakeVertex(g_x, g_y-g_hauteur, g_z)
|
|
s_dir = MakeVectorDXDYDZ(0, 1, 0)
|
|
|
|
s_cyl0 = MakeCylinder(s_centre, s_dir, g_rayon3, s_hauteur)
|
|
s_cyl1 = MakeRotation(s_cyl0, s_dir, s_pi4)
|
|
|
|
s_blo1 = MakeCut(s_boite, s_cyl1)
|
|
|
|
s_cyl0 = MakeCylinder(s_centre, s_dir, g_rayon2, s_hauteur)
|
|
s_cyl2 = MakeRotation(s_cyl0, s_dir, s_pi4)
|
|
|
|
s_blo2 = MakeCut(s_cyl1, s_cyl2)
|
|
|
|
s_cyl0 = MakeCylinder(s_centre, s_dir, g_rayon1, s_hauteur)
|
|
s_cyl3 = MakeRotation(s_cyl0, s_dir, s_pi4)
|
|
|
|
s_blo3 = MakeCut(s_cyl2, s_cyl3)
|
|
|
|
s_arete = g_rayon1/2
|
|
|
|
s_blo4 = MakeBox(g_x-s_arete, g_y-g_hauteur, g_z-s_arete, g_x+s_arete, g_y+g_hauteur, g_z+s_arete)
|
|
|
|
s_blo5 = MakeCut(s_cyl3, s_blo4)
|
|
|
|
# Partition
|
|
# ---------
|
|
|
|
p_tools = []
|
|
p_tools.append(MakePlane(s_centre, MakeVectorDXDYDZ( 1, 0, 1), g_trim))
|
|
p_tools.append(MakePlane(s_centre, MakeVectorDXDYDZ(-1, 0, 1), g_trim))
|
|
|
|
p_partie = MakePartition([s_blo1, s_blo2, s_blo3, s_blo5], p_tools, [], [], ShapeType["SOLID"])
|
|
|
|
# Compound and glue
|
|
# -----------------
|
|
|
|
c_blocs = SubShapeAll(p_partie, ShapeType["SOLID"])
|
|
c_blocs.append(s_blo4)
|
|
|
|
c_cpd = MakeCompound(c_blocs)
|
|
|
|
c_element = MakeGlueFaces(c_cpd, 1e-4)
|
|
|
|
# Grid
|
|
# ----
|
|
|
|
piece = MakeMultiTranslation2D(c_element, MakeVectorDXDYDZ(1, 0, 0), 2*g_arete, g_grid, MakeVectorDXDYDZ(0, 0, 1), 2*g_arete, g_grid)
|
|
|
|
# Add in study
|
|
# ------------
|
|
|
|
piece_id = addToStudy(piece, "ex12_grid17partition")
|
|
|
|
# Meshing
|
|
# =======
|
|
|
|
# Create a hexahedral mesh
|
|
# ------------------------
|
|
|
|
hexa = smesh.Mesh(piece, "ex12_grid17partition:hexa")
|
|
|
|
algo = hexa.Segment()
|
|
algo.NumberOfSegments(2)
|
|
|
|
hexa.Quadrangle()
|
|
|
|
hexa.Hexahedron()
|
|
|
|
# Mesh calculus
|
|
# -------------
|
|
|
|
hexa.Compute()
|