mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-11 16:19:16 +05:00
116 lines
2.3 KiB
Python
116 lines
2.3 KiB
Python
|
# CEA/LGLS 2004-2005, Francis KLOSS (OCC)
|
||
|
|
# =======================================
|
||
|
|
|
||
|
|
from geompy import *
|
||
|
|
|
||
|
|
import smesh
|
||
|
|
|
||
|
|
import math
|
||
|
|
|
||
|
|
# Geometrie
|
||
|
|
# =========
|
||
|
|
|
||
|
|
# Creer un cylindre ayant a chaque bout un morceau de sphere et le tout troue par un petit cylindrique excentre.
|
||
|
|
# Decouper en hexahedre et mailler.
|
||
|
|
|
||
|
|
# Donnees
|
||
|
|
# -------
|
||
|
|
|
||
|
|
# unite: millimetre
|
||
|
|
|
||
|
|
g_ox = 0
|
||
|
|
g_oy = 0
|
||
|
|
g_oz = 0
|
||
|
|
|
||
|
|
g_cyl_rayon = 1000
|
||
|
|
g_cyl_demiHauteur = 3000
|
||
|
|
|
||
|
|
g_trou_rayon = 5
|
||
|
|
g_trou_centre = 300
|
||
|
|
|
||
|
|
g_sphere_rayon = 3500
|
||
|
|
|
||
|
|
g_trim = 15000
|
||
|
|
|
||
|
|
# Cylindre
|
||
|
|
# --------
|
||
|
|
|
||
|
|
c_point = MakeVertex(g_ox, g_oy, g_oz-g_cyl_demiHauteur)
|
||
|
|
c_dir = MakeVectorDXDYDZ(0, 0, 1)
|
||
|
|
c_hauteur = 2*g_cyl_demiHauteur
|
||
|
|
|
||
|
|
c_cylindre = MakeCylinder(c_point, c_dir, g_cyl_rayon, c_hauteur)
|
||
|
|
|
||
|
|
# Sphere
|
||
|
|
# ------
|
||
|
|
|
||
|
|
s_hauteur = math.sqrt(g_sphere_rayon*g_sphere_rayon - g_cyl_rayon*g_cyl_rayon) - g_cyl_demiHauteur
|
||
|
|
|
||
|
|
s_sphere = MakeSphere(g_ox, g_oy, g_oz-s_hauteur, g_sphere_rayon)
|
||
|
|
|
||
|
|
# Calottes
|
||
|
|
# --------
|
||
|
|
|
||
|
|
c_outils = []
|
||
|
|
c_outils.append(MakePlane(MakeVertex(g_ox, g_oy, g_oz+g_cyl_demiHauteur), MakeVectorDXDYDZ(0, 0, 1), g_trim))
|
||
|
|
|
||
|
|
c_cpd = MakePartition([s_sphere], c_outils, [], [], ShapeType["SOLID"])
|
||
|
|
c_calotte_haut, c_reste = SubShapeAllSorted(c_cpd, ShapeType["SOLID"])
|
||
|
|
|
||
|
|
c_plan = MakePlane(MakeVertex(g_ox, g_oy, g_oz), MakeVectorDXDYDZ(0, 0, 1), g_trim)
|
||
|
|
c_calotte_bas = MakeMirrorByPlane(c_calotte_haut, c_plan)
|
||
|
|
|
||
|
|
# Fusionner
|
||
|
|
# ---------
|
||
|
|
|
||
|
|
f_piece1 = MakeFuse(c_cylindre, c_calotte_haut)
|
||
|
|
f_piece = MakeFuse(f_piece1, c_calotte_bas)
|
||
|
|
|
||
|
|
# Trouer
|
||
|
|
# ------
|
||
|
|
|
||
|
|
t_hauteur = g_sphere_rayon
|
||
|
|
t_point = MakeVertex(g_ox-g_trou_centre, g_oy, g_oz-t_hauteur)
|
||
|
|
t_trou = MakeCylinder(t_point, c_dir, g_trou_rayon, 2*t_hauteur)
|
||
|
|
|
||
|
|
t_piece = MakeCut(f_piece, t_trou)
|
||
|
|
|
||
|
|
# Decouper
|
||
|
|
# --------
|
||
|
|
|
||
|
|
h_outils = []
|
||
|
|
h_outils.append(MakePlane(t_point, MakeVectorDXDYDZ(1, 0, 0), g_trim))
|
||
|
|
h_outils.append(MakePlane(t_point, MakeVectorDXDYDZ(0, 1, 0), g_trim))
|
||
|
|
|
||
|
|
h_piece = MakePartition([t_piece], h_outils, [], [], ShapeType["SOLID"])
|
||
|
|
|
||
|
|
# Reparer
|
||
|
|
# -------
|
||
|
|
|
||
|
|
piece = RemoveExtraEdges(h_piece)
|
||
|
|
|
||
|
|
# Ajouter la piece dans l'etude
|
||
|
|
# -----------------------------
|
||
|
|
|
||
|
|
piece_id = addToStudy(piece, "ex18_dome2")
|
||
|
|
|
||
|
|
# Maillage
|
||
|
|
# ========
|
||
|
|
|
||
|
|
# Maillage hexahedrique
|
||
|
|
# ---------------------
|
||
|
|
|
||
|
|
hexa = smesh.Mesh(piece, "ex18_dome2:hexa")
|
||
|
|
|
||
|
|
algo = hexa.Segment()
|
||
|
|
algo.NumberOfSegments(2)
|
||
|
|
|
||
|
|
hexa.Quadrangle()
|
||
|
|
|
||
|
|
hexa.Hexahedron()
|
||
|
|
|
||
|
|
# Calcul du maillage
|
||
|
|
# ------------------
|
||
|
|
|
||
|
|
hexa.Compute()
|