def modifyVectorField( theField ) :
import random
from Foam.OpenFOAM import vector
for cellI in range( theField.size() ) :
array = [ 1.0e7 * random.random() for i in range( 3 ) ]
theField[ cellI ] = vector( array[ 0 ], array[ 1 ], array[ 2 ] )
pass
return theField
def _createFields(runTime, mesh):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volVectorField
ext_Info() << "Reading field U\n" << nl
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
ext_Info() << "Creating face flux\n" << nl
from Foam.OpenFOAM import dimensionedScalar
from Foam.finiteVolume import surfaceScalarField
phi = surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.NO_WRITE), mesh,
dimensionedScalar(word("zero"),
mesh.Sf().dimensions() * U.dimensions(), 0.0))
from Foam.transportModels import singlePhaseTransportModel
laminarTransport = singlePhaseTransportModel(U, phi)
from Foam import incompressible
turbulence = incompressible.RASModel.New(U, phi, laminarTransport)
transportProperties = IOdictionary(
IOobject(word("transportProperties"), fileName(runTime.constant()),
mesh, IOobject.MUST_READ, IOobject.NO_WRITE))
from Foam.OpenFOAM import dimensionedVector, vector
Ubar = dimensionedVector(transportProperties.lookup(word("Ubar")))
flowDirection = (Ubar / Ubar.mag()).ext_value()
flowMask = flowDirection.sqr()
nWallFaces = 0.0
from Foam.OpenFOAM import vector
wallNormal = vector.zero
patches = mesh.boundary()
for patchi in range(mesh.boundary().size()):
currPatch = patches[patchi]
from Foam.finiteVolume import wallFvPatch
if wallFvPatch.ext_isA(currPatch):
for facei in range(currPatch.size()):
nWallFaces = nWallFaces + 1
if nWallFaces == 1:
wallNormal = -mesh.Sf().ext_boundaryField(
)[patchi][facei] / mesh.magSf().ext_boundaryField(
)[patchi][facei]
pass
elif nWallFaces == 2:
wallNormal2 = mesh.Sf().ext_boundaryField(
)[patchi][facei] / mesh.magSf().ext_boundaryField(
)[patchi][facei]
#- Check that wall faces are parallel
from Foam.OpenFOAM import mag
if mag(wallNormal
& wallNormal2) > 1.01 or mag(wallNormal
& wallNormal2) < 0.99:
ext_Info(
) << "boundaryFoam: wall faces are not parallel" << nl
import os
os.abort()
pass
pass
else:
ext_Info(
) << "boundaryFoam: number of wall faces > 2" << nl
import os
os.abort()
pass
pass
pass
#- create position array for graph generation
y = wallNormal & mesh.C().internalField()
from Foam.OpenFOAM import dimensionSet, vector, word
gradP = dimensionedVector(word("gradP"),
dimensionSet(0.0, 1.0, -2.0, 0.0, 0.0),
vector(0.0, 0.0, 0.0))
return U, phi, laminarTransport, turbulence, Ubar, wallNormal, flowDirection, flowMask, y, gradP
def _createFields( runTime, mesh ):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volVectorField
ext_Info() << "Reading field U\n" << nl
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
ext_Info() << "Creating face flux\n" << nl
from Foam.OpenFOAM import dimensionedScalar
from Foam.finiteVolume import surfaceScalarField
phi = surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.NO_WRITE ),
mesh,
dimensionedScalar( word( "zero" ), mesh.Sf().dimensions()*U.dimensions(), 0.0) )
from Foam.transportModels import singlePhaseTransportModel
laminarTransport = singlePhaseTransportModel( U, phi )
from Foam import incompressible
turbulence = incompressible.RASModel.New( U, phi, laminarTransport )
transportProperties = IOdictionary( IOobject( word( "transportProperties" ),
fileName( runTime.constant() ),
mesh,
IOobject.MUST_READ,
IOobject.NO_WRITE ) )
from Foam.OpenFOAM import dimensionedVector, vector
Ubar = dimensionedVector( transportProperties.lookup( word( "Ubar" ) ) )
flowDirection = ( Ubar / Ubar.mag() ).ext_value()
flowMask = flowDirection.sqr()
nWallFaces = 0.0
from Foam.OpenFOAM import vector
wallNormal = vector.zero
patches = mesh.boundary()
for patchi in range( mesh.boundary().size() ):
currPatch = patches[patchi]
from Foam.finiteVolume import wallFvPatch
if wallFvPatch.ext_isType( currPatch ):
for facei in range( currPatch.size() ):
nWallFaces = nWallFaces +1
if nWallFaces == 1:
wallNormal = - mesh.Sf().ext_boundaryField()[patchi][facei] / mesh.magSf().ext_boundaryField()[patchi][facei]
pass
elif nWallFaces == 2:
wallNormal2 = mesh.Sf().ext_boundaryField()[patchi][facei] / mesh.magSf().ext_boundaryField()[patchi][facei]
#- Check that wall faces are parallel
from Foam.OpenFOAM import mag
if mag(wallNormal & wallNormal2) > 1.01 or mag(wallNormal & wallNormal2) < 0.99:
ext_Info() << "boundaryFoam: wall faces are not parallel" << nl
import os
os.abort()
pass
pass
else:
ext_Info() << "boundaryFoam: number of wall faces > 2" << nl
import os
os.abort()
pass
pass
pass
#- create position array for graph generation
y = wallNormal & mesh.C().internalField()
from Foam.OpenFOAM import dimensionSet, vector, word
gradP = dimensionedVector( word( "gradP" ),
dimensionSet( 0.0, 1.0, -2.0, 0.0, 0.0 ),
vector( 0.0, 0.0, 0.0 ) )
return U, phi, laminarTransport, turbulence, Ubar, wallNormal, flowDirection, flowMask, y, gradP
