smesh/doc/salome/examples/defining_hypotheses_ex02.py

48 lines
1.2 KiB
Python

# Deflection 1D and Number of Segments
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 face from arc and straight segment
px = geompy.MakeVertex(100., 0. , 0. )
py = geompy.MakeVertex(0. , 100., 0. )
pz = geompy.MakeVertex(0. , 0. , 100.)
exy = geompy.MakeEdge(px, py)
arc = geompy.MakeArc(py, pz, px)
wire = geompy.MakeWire([exy, arc])
isPlanarFace = 1
face1 = geompy.MakeFace(wire, isPlanarFace)
geompy.addToStudy(face1,"Face1")
# get edges from the face
e_straight,e_arc = geompy.SubShapeAll(face1, geompy.ShapeType["EDGE"])
geompy.addToStudyInFather(face1, e_arc, "Arc Edge")
# create hexahedral mesh
hexa = smesh.Mesh(face1, "Face : triangle mesh")
# define "NumberOfSegments" hypothesis to cut a straight edge in a fixed number of segments
algo1D = hexa.Segment()
algo1D.NumberOfSegments(6)
# define "MaxElementArea" hypothesis
algo2D = hexa.Triangle()
algo2D.MaxElementArea(70.0)
# define a local "Deflection1D" hypothesis on the arc
algo_local = hexa.Segment(e_arc)
algo_local.Deflection1D(1.0)
# compute the mesh
hexa.Compute()