smesh/doc/salome/examples/defining_hypotheses_ex01.py
2017-06-13 13:01:10 +03:00

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1.3 KiB
Python

# Arithmetic Progression and Geometric Progression
import salome
salome.salome_init()
from salome.geom import geomBuilder
geompy = geomBuilder.New()
from salome.smesh import smeshBuilder
smesh = smeshBuilder.New()
# create a box
box = geompy.MakeBoxDXDYDZ(10., 10., 10.)
geompy.addToStudy(box, "Box")
# create a hexahedral mesh on the box
hexa = smesh.Mesh(box, "Box : hexahedrical mesh")
# create a Regular 1D algorithm for edges
algo1D = hexa.Segment()
# optionally reverse node distribution on certain edges
allEdges = geompy.SubShapeAllSorted( box, geompy.ShapeType["EDGE"])
reversedEdges = [ allEdges[0], allEdges[4] ]
# define "Arithmetic1D" hypothesis to cut all edges in several segments with increasing arithmetic length
algo1D.Arithmetic1D(1, 4, reversedEdges)
# define "Geometric Progression" hypothesis on one edge to cut this edge in segments with length increasing by 20% starting from 1
gpAlgo = hexa.Segment( allEdges[1] )
gpAlgo.GeometricProgression( 1, 1.2 )
# propagate distribution of nodes computed using "Geometric Progression" to parallel edges
gpAlgo.PropagationOfDistribution()
# create a quadrangle 2D algorithm for faces
hexa.Quadrangle()
# create a hexahedron 3D algorithm for solids
hexa.Hexahedron()
# compute the mesh
hexa.Compute()