mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-27 09:50:34 +05:00
209 lines
8.0 KiB
Python
209 lines
8.0 KiB
Python
# -*- coding: iso-8859-1 -*-
|
|
# Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
|
|
#
|
|
|
|
import math
|
|
import salome
|
|
salome.salome_init_without_session()
|
|
|
|
import GEOM
|
|
from salome.geom import geomBuilder
|
|
from salome.smesh import smeshBuilder
|
|
from salome.shaper import model
|
|
|
|
def assertAlmostEqual(a,b,tol):
|
|
if ( abs(a-b) < tol ):
|
|
return True
|
|
else:
|
|
print( "not close vals", a, b )
|
|
return False
|
|
|
|
|
|
geompy = geomBuilder.New()
|
|
|
|
O = geompy.MakeVertex(0, 0, 0)
|
|
OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
|
|
OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
|
|
OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
|
|
|
|
# create a disk
|
|
geompy.addToStudy( O, 'O' )
|
|
geompy.addToStudy( OX, 'OX' )
|
|
geompy.addToStudy( OY, 'OY' )
|
|
geompy.addToStudy( OZ, 'OZ' )
|
|
Box = geompy.MakeBox(0,0,0,10,10,10)
|
|
|
|
smesh_builder = smeshBuilder.New()
|
|
|
|
MesherBox = smesh_builder.Mesh(Box, "Box")
|
|
viscousBuilder = MesherBox.ViscousLayerBuilder()
|
|
|
|
#Set prismatic layer parameters
|
|
offset = 0.1
|
|
|
|
####SHRINK THE BOX IN ALL DIRECTIONS
|
|
#No list of faces is passed and the isToIgnore flag true by default so the offset if applied to the entire geometry
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2 )
|
|
ShrinkBox = viscousBuilder.GetShrinkGeometry()
|
|
|
|
BoxProperties = geompy.BasicProperties(Box)
|
|
ShrinkBoxProperties = geompy.BasicProperties(ShrinkBox)
|
|
assert( BoxProperties[2] > ShrinkBoxProperties[2] )
|
|
|
|
assert( assertAlmostEqual( BoxProperties[2], (10.0)**(3.0), 1e-12 ) )
|
|
#The geometry is shrank in all directions
|
|
assert( assertAlmostEqual( ShrinkBoxProperties[2], (10.0-offset*2)**(3), 1e-12 ) )
|
|
####END SHRINK THE BOX IN ALL DIRECTIONS
|
|
|
|
####SHRINK THE BOX EXCEPT FOR ONE FACE
|
|
viscousBuilder = MesherBox.ViscousLayerBuilder()
|
|
selectableFaces = geompy.SubShapeAllSortedCentresIDs(Box, geompy.ShapeType["FACE"])
|
|
# Set face 1 TO BE ignored
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2, [ selectableFaces[ 0 ] ], True ) # Shrink in all faces except face id
|
|
ShrinkBox = viscousBuilder.GetShrinkGeometry()
|
|
ShrinkBoxProperties = geompy.BasicProperties(ShrinkBox)
|
|
selectableShrinkFaces = geompy.SubShapeAllSortedCentresIDs(ShrinkBox, geompy.ShapeType["FACE"])
|
|
assert( assertAlmostEqual( ShrinkBoxProperties[2], (10.0-offset*2)**(2)*(10.0-offset), 1e-12 ) )
|
|
####END SHRINK THE BOX EXCEPT FOR ONE FACE
|
|
|
|
####SHRINK THE BOX IN DIRECTION OF ONLY ONE FACE
|
|
# Set face 1 TO NOT be ignored
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2, [ selectableFaces[ 0 ] ], False ) # Shrink only the faceid
|
|
ShrinkBox = viscousBuilder.GetShrinkGeometry()
|
|
ShrinkBoxProperties = geompy.BasicProperties(ShrinkBox)
|
|
assert( assertAlmostEqual( ShrinkBoxProperties[2], (10.0)**(2)*(10.0-offset), 1e-12 ) )
|
|
selectableShrinkFaces = geompy.SubShapeAllSortedCentresIDs(ShrinkBox, geompy.ShapeType["FACE"])
|
|
####END SHRINK THE BOX IN DIRECTION OF ONLY ONE FACE
|
|
|
|
####DO NOT SHRINK THE BOX
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2, isElementToIgnore = False )
|
|
ShrinkBox = viscousBuilder.GetShrinkGeometry()
|
|
BoxProperties = geompy.BasicProperties(Box)
|
|
ShrinkBoxProperties = geompy.BasicProperties(ShrinkBox)
|
|
assert( assertAlmostEqual( BoxProperties[2], ShrinkBoxProperties[2], 1e-12) )
|
|
####END DO NOT SHRINK THE BOX
|
|
|
|
####SHRINK THE ENTIRE SPHERE
|
|
#Test shrinking sphere
|
|
Radius = 10.0
|
|
Sphere = geompy.MakeSphere(0,0,0,Radius)
|
|
MesherSphere = smesh_builder.Mesh(Sphere, "Sphere")
|
|
viscousBuilder = MesherSphere.ViscousLayerBuilder()
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2 )
|
|
ShrinkSphere = viscousBuilder.GetShrinkGeometry()
|
|
ShrinkSphereProperties = geompy.BasicProperties(ShrinkSphere)
|
|
assert( ShrinkSphereProperties[2] < 4.0/3.0*math.pi * Radius**3 )
|
|
assert( assertAlmostEqual( ShrinkSphereProperties[2], 4.0/3.0*math.pi*(10.0-offset)**(3), 1e-12 ) )
|
|
####END SHRINK THE ENTIRE SPHERE
|
|
|
|
####SHRINK THE ENTIRE CYLINDER
|
|
#Test shrinking cylinder
|
|
Cylinder = geompy.MakeCylinderRH(10,30)
|
|
MesherCylinder = smesh_builder.Mesh(Cylinder, "Cylinder")
|
|
viscousBuilder = MesherCylinder.ViscousLayerBuilder()
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2 )
|
|
ShrinkCylinder = viscousBuilder.GetShrinkGeometry()
|
|
CylinderProp = geompy.BasicProperties(Cylinder)
|
|
ShirnkCylinderProp = geompy.BasicProperties(ShrinkCylinder)
|
|
|
|
assert( CylinderProp[2] > ShirnkCylinderProp[2] )
|
|
####END SHRINK THE ENTIRE CYLINDER
|
|
|
|
####SHRINK THE ENTIRE TUBE
|
|
#Test shrinking tube
|
|
Circle_1 = geompy.MakeCircle(None, None, 20)
|
|
Circle_2 = geompy.MakeCircle(None, None, 10)
|
|
Face_1 = geompy.MakeFaceWires([Circle_1, Circle_2], 1)
|
|
Tube = geompy.MakePrismDXDYDZ(Face_1, 0, 0, 100)
|
|
|
|
MesherTube = smesh_builder.Mesh(Tube, "Tube")
|
|
viscousBuilder = MesherTube.ViscousLayerBuilder()
|
|
viscousBuilder.setBuilderParameters( offset, 4, 1.2 )
|
|
ShrinkTube = viscousBuilder.GetShrinkGeometry()
|
|
TubeProp = geompy.BasicProperties(Tube)
|
|
ShirnkTubeProp = geompy.BasicProperties(ShrinkTube)
|
|
assert( TubeProp[2] > ShirnkTubeProp[2] )
|
|
####END SHRINK THE ENTIRE TUBE
|
|
|
|
####SHRINK COMPOUND OBJECT TO GENERATE COMPOUND WITH COMMON FACE
|
|
X = geompy.MakeVectorDXDYDZ( 1,0,0 )
|
|
O = geompy.MakeVertex( 100,50,50 )
|
|
plane = geompy.MakePlane( O, X, 200 ) # plane YZ
|
|
lX = 200
|
|
lYlZ = 100
|
|
box = geompy.MakeBoxDXDYDZ(lX,lYlZ,lYlZ)
|
|
sBox = geompy.MakeHalfPartition( box, plane )
|
|
|
|
# Generate a uniquebody whit coincident faces
|
|
# 4 left, 34 middle, 50 right
|
|
ignoreFaces = [4,34,50]
|
|
geompy.addToStudy( sBox, "SisterBox" )
|
|
MesherSBox = smesh_builder.Mesh( sBox, "SisterBoxMesh")
|
|
ViscousBuilder = MesherSBox.ViscousLayerBuilder()
|
|
thickness = 20
|
|
numberOfLayers = 10
|
|
stretchFactor = 1.5
|
|
ViscousBuilder.setBuilderParameters( thickness, numberOfLayers, stretchFactor, ignoreFaces )
|
|
ShrinkSBox = ViscousBuilder.GetShrinkGeometry()
|
|
SBoxProp = geompy.BasicProperties(sBox)
|
|
ShirnksBoxProp = geompy.BasicProperties(ShrinkSBox)
|
|
assert( assertAlmostEqual(ShirnksBoxProp[2], lX * (lYlZ - 2.0*thickness)**(2.0), 1e-12 ) )
|
|
####END SHRINK COMPOUND OBJECT TO GENERATE COMPUND WITH COMMON FACE
|
|
|
|
|
|
####SHRINK COMPOUND OBJECT TO GENERATE TWO DISJOINT SOLIDS
|
|
ignoreFaces = [4,50]
|
|
ViscousBuilder.setBuilderParameters( thickness, numberOfLayers, stretchFactor, ignoreFaces )
|
|
ShrinkSBox2 = ViscousBuilder.GetShrinkGeometry()
|
|
SBoxProp = geompy.BasicProperties(sBox)
|
|
ShirnksBoxProp2 = geompy.BasicProperties(ShrinkSBox2)
|
|
assert( assertAlmostEqual(ShirnksBoxProp2[2], (lX -2.0*thickness) * (lYlZ - 2.0*thickness)**(2.0), 1e-12 ) )
|
|
####END SHRINK COMPOUND OBJECT TO GENERATE TWO DISJOINT SOLIDS
|
|
|
|
|
|
######SHRINK SQUARE
|
|
offset = 0.5
|
|
numberOfLayers = 6
|
|
Face = geompy.MakeFaceHW(5, 5, 1)
|
|
MesherSqr = smesh_builder.Mesh(Face, "Face")
|
|
viscousBuilder = MesherSqr.ViscousLayerBuilder()
|
|
viscousBuilder.setBuilderParameters( offset, numberOfLayers, 1.2 )
|
|
ShrinkFace = viscousBuilder.GetShrinkGeometry()
|
|
|
|
FaceProperties = geompy.BasicProperties(Face)
|
|
ShrinkFaceProperties = geompy.BasicProperties(ShrinkFace)
|
|
#Test smaller face
|
|
assert( ShrinkFaceProperties[1] < FaceProperties[1] )
|
|
assertAlmostEqual( ShrinkFaceProperties[1], (5.0-offset*2.0)**(2.0), 1e-12 )
|
|
######END SHRINK SQUARE
|
|
|
|
######SHRINK CIRCLE
|
|
Disk = geompy.MakeDiskR(5, 1)
|
|
|
|
#Test with circle
|
|
MesherCircle = smesh_builder.Mesh(Disk, "Disk")
|
|
viscousBuilder = MesherCircle.ViscousLayerBuilder()
|
|
viscousBuilder.setBuilderParameters( offset, numberOfLayers, 1.2 )
|
|
ShrinkCircle = viscousBuilder.GetShrinkGeometry()
|
|
FaceProperties = geompy.BasicProperties(Disk)
|
|
ShrinkFaceProperties = geompy.BasicProperties(ShrinkCircle)
|
|
|
|
assert( ShrinkFaceProperties[1] < FaceProperties[1] )
|
|
######END SHRINK CIRCLE
|