smesh/doc/salome/examples/creating_meshes_ex02.py

47 lines
1.3 KiB
Python

# Construction of a Submesh
import salome
salome.salome_init()
import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New(salome.myStudy)
import SMESH, SALOMEDS
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New(salome.myStudy)
# create a box
box = geompy.MakeBoxDXDYDZ(10., 10., 10.)
geompy.addToStudy(box, "Box")
# select one edge of the box for definition of a local hypothesis
p5 = geompy.MakeVertex(5., 0., 0.)
EdgeX = geompy.GetEdgeNearPoint(box, p5)
geompy.addToStudyInFather(box, EdgeX, "Edge [0,0,0 - 10,0,0]")
# create a hexahedral mesh on the box
quadra = smesh.Mesh(box, "Box : quadrangle 2D mesh")
# create a regular 1D algorithm for the faces
algo1D = quadra.Segment()
# define "NumberOfSegments" hypothesis to cut
# all the edges in a fixed number of segments
algo1D.NumberOfSegments(4)
# create a quadrangle 2D algorithm for the faces
quadra.Quadrangle()
# construct a submesh on the edge with a local hypothesis
algo_local = quadra.Segment(EdgeX)
# define "Arithmetic1D" hypothesis to cut the edge in several segments with increasing arithmetic length
algo_local.Arithmetic1D(1, 4)
# define "Propagation" hypothesis that propagates all other hypotheses
# on all edges of the opposite side in case of quadrangular faces
algo_local.Propagation()
# compute the mesh
quadra.Compute()