def compressibleCreatePhi(runTime, mesh, rhoU):
from Foam.OpenFOAM import IOobject, word, fileName
phiHeader = IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ)
from Foam.OpenFOAM import ext_Info, nl
if phiHeader.headerOk():
ext_Info() << "Reading face flux field phi\n" << nl
from Foam.finiteVolume import surfaceScalarField
phi = surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
pass
else:
ext_Info() << "Calculating face flux field phi\n" << nl
from Foam.OpenFOAM import wordList
from Foam.finiteVolume import calculatedFvPatchScalarField
phiTypes = wordList(2, calculatedFvPatchScalarField.typeName)
from Foam.finiteVolume import surfaceScalarField, linearInterpolate
phi = surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.AUTO_WRITE),
linearInterpolate(rhoU) & mesh.Sf(), phiTypes)
pass
return phiHeader, phi, phiTypes
def _pEqn( runTime, mesh, UEqn, thermo, p, psi, U, rho, phi, DpDt, g, initialMass, totalVolume, corr, nCorr, nNonOrthCorr, cumulativeContErr ):
closedVolume = p.needReference()
rho.ext_assign( thermo.rho() )
# Thermodynamic density needs to be updated by psi*d(p) after the
# pressure solution - done in 2 parts. Part 1:
thermo.rho().ext_assign( thermo.rho() - psi * p )
rUA = 1.0/UEqn.A()
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ), fvc.interpolate( rho * rUA ) )
U.ext_assign( rUA * UEqn.H() )
phiU = fvc.interpolate( rho ) * ( (fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) )
phi.ext_assign( phiU + rhorUAf * fvc.interpolate( rho ) * (g & mesh.Sf() ) )
for nonOrth in range( nNonOrthCorr+1 ):
from Foam import fvm
from Foam.finiteVolume import correction
pEqn = fvc.ddt( rho ) + psi * correction( fvm.ddt( p ) ) + fvc.div( phi ) - fvm.laplacian( rhorUAf, p )
if corr == nCorr-1 and nonOrth == nNonOrthCorr:
pEqn.solve( mesh.solver( word( str( p.name() ) + "Final" ) ) )
pass
else:
pEqn.solve( mesh.solver( p.name() ) )
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi + pEqn.flux() )
pass
# Second part of thermodynamic density update
thermo.rho().ext_assign( thermo.rho() + psi * p )
U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rhorUAf ) )
U.correctBoundaryConditions()
DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) )
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn( rho, phi )
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr )
# For closed-volume cases adjust the pressure and density levels
# to obey overall mass continuity
if closedVolume:
p.ext_assign( p + ( initialMass - fvc.domainIntegrate( psi * p ) ) / fvc.domainIntegrate( psi ) )
thermo.rho().ext_assign( psi * p )
rho.ext_assign( rho + ( initialMass - fvc.domainIntegrate( rho ) ) / totalVolume )
pass
return cumulativeContErr
def fun_pEqn( i, mesh, p, rho, turb, thermo, thermoFluid, K, UEqn, U, phi, psi, DpDt, initialMass, p_rgh, gh, ghf, \
nNonOrthCorr, oCorr, nOuterCorr, corr, nCorr, cumulativeContErr ) :
closedVolume = p_rgh.needReference()
rho.ext_assign( thermo.rho() )
rUA = 1.0 / UEqn.A()
from Foam import fvc
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ) , fvc.interpolate( rho * rUA ) )
U.ext_assign( rUA * UEqn.H() )
from Foam import fvc
phiU = ( fvc.interpolate( rho ) *
( ( fvc.interpolate( U ) & mesh.Sf() ) +
fvc.ddtPhiCorr( rUA, rho, U, phi ) ) )
phi.ext_assign( phiU - rhorUAf * ghf * fvc.snGrad( rho ) * mesh.magSf() )
from Foam import fvm
for nonOrth in range ( nNonOrthCorr + 1 ):
p_rghEqn = ( fvm.ddt( psi, p_rgh) + fvc.ddt( psi, rho ) * gh + fvc.div( phi ) - fvm.laplacian( rhorUAf, p_rgh ) )
p_rghEqn.solve( mesh.solver( p_rgh.select( ( oCorr == nOuterCorr-1 and corr == ( nCorr-1 ) and nonOrth == nNonOrthCorr ) ) ) )
if nonOrth == nNonOrthCorr :
phi.ext_assign( phi + p_rghEqn.flux() )
pass
pass
# Correct velocity field
U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rhorUAf ) )
U.correctBoundaryConditions()
p.ext_assign( p_rgh + rho * gh )
#Update pressure substantive derivative
DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) )
# Solve continuity
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn( rho, phi )
# Update continuity errors
cumulativeContErr = compressibleContinuityErrors( i, mesh, rho, thermo, cumulativeContErr )
# For closed-volume cases adjust the pressure and density levels
# to obey overall mass continuity
if closedVolume :
p.ext_assign( p + ( initialMass - fvc.domainIntegrate( psi * p ) ) / fvc.domainIntegrate( psi ) )
rho.ext_assign( thermo.rho() )
p_rgh.ext_assign( p - rho * gh )
pass
#Update thermal conductivity
K.ext_assign( thermoFluid[ i ].Cp() * turb.alphaEff() )
return cumulativeContErr
def create_fields( runTime, mesh, g ):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicRhoThermo
thermo = basicRhoThermo.New( mesh )
from Foam.OpenFOAM import IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField( IOobject( word( "rho" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.NO_WRITE ),
thermo.rho() )
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi( runTime, mesh, rho, U )
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New( rho, U, phi, thermo() )
ext_Info() << "Calculating field g.h\n" << nl
gh = volScalarField( word( "gh" ), g & mesh.C() )
from Foam.finiteVolume import surfaceScalarField
ghf = surfaceScalarField( word( "ghf" ), g & mesh.Cf() )
ext_Info() << "Reading field p_rgh\n" << nl
p_rgh = volScalarField( IOobject( word( "p_rgh" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
# Force p_rgh to be consistent with p
p_rgh.ext_assign( p - rho * gh )
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
DpDt = volScalarField( word( "DpDt" ), fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) )
return thermo, p, rho, h, psi, U, phi, turbulence, gh, ghf, p_rgh, DpDt
def _pEqn(rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, DpDt,
cumulativeContErr, corr, nCorr, nOuterCorr, transonic):
rho.ext_assign(thermo.rho())
rUA = 1.0 / UEqn.A()
U.ext_assign(rUA * UEqn.H())
from Foam import fvc, fvm
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
if transonic:
phid = surfaceScalarField(
word("phid"),
fvc.interpolate(psi) * ((fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, rho, U, phi)))
for nonOrth in range(nNonOrthCorr + 1):
pEqn = fvm.ddt(psi, p) + fvm.div(phid, p) - fvm.laplacian(
rho * rUA, p)
pEqn.solve()
if nonOrth == nNonOrthCorr:
phi == pEqn.flux()
pass
pass
pass
else:
phi.ext_assign(
fvc.interpolate(rho) * ((fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, rho, U, phi)))
for nonOrth in range(nNonOrthCorr + 1):
pEqn = fvm.ddt(psi, p) + fvc.div(phi) - fvm.laplacian(rho * rUA, p)
pEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi + pEqn.flux())
pass
pass
pass
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs(rho, thermo,
cumulativeContErr)
U.ext_assign(U - rUA * fvc.grad(p))
U.correctBoundaryConditions()
DpDt.ext_assign(
fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)),
p))
return cumulativeContErr
def fun_pEqn(thermo, g, rho, UEqn, p, U, psi, phi, initialMass, runTime, mesh,
nNonOrthCorr, pRefCell, eqnResidual, maxResidual,
cumulativeContErr):
rho.ext_assign(thermo.rho())
rUA = 1.0 / UEqn.A()
from Foam.OpenFOAM import word
from Foam import fvc, fvm
from Foam.finiteVolume import surfaceScalarField
rhorUAf = surfaceScalarField(word("(rho*(1|A(U)))"),
fvc.interpolate(rho * rUA))
U.ext_assign(rUA * UEqn.H())
UEqn.clear()
phi.ext_assign(fvc.interpolate(rho) * (fvc.interpolate(U) & mesh.Sf()))
from Foam.finiteVolume import adjustPhi
closedVolume = adjustPhi(phi, U, p)
buoyancyPhi = surfaceScalarField(rhorUAf * fvc.interpolate(rho) *
(g & mesh.Sf()))
phi.ext_assign(phi + buoyancyPhi)
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm
pEqn = fvm.laplacian(rhorUAf, p) == fvc.div(phi)
pEqn.setReference(pRefCell, p[pRefCell])
if (nonOrth == 0):
eqnResidual = pEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
else:
pEqn.solve()
if (nonOrth == nNonOrthCorr):
if (closedVolume):
p.ext_assign(p + (initialMass - fvc.domainIntegrate(psi * p)) /
fvc.domainIntegrate(psi))
phi.ext_assign(phi - pEqn.flux())
p.relax()
U.ext_assign(U + rUA * fvc.reconstruct(
(buoyancyPhi - pEqn.flux()) / rhorUAf))
U.correctBoundaryConditions()
from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs
cumulativeContErr = ContinuityErrs(phi, runTime, mesh, cumulativeContErr)
rho.ext_assign(thermo.rho())
rho.relax()
ext_Info() << "rho max/min : " << rho.ext_max().value(
) << " " << rho.ext_min().value() << nl
return eqnResidual, maxResidual, cumulativeContErr
def fun_pEqn( mesh, p, rho, psi, p_rgh, U, phi, ghf, gh, DpDt, UEqn, thermo, nNonOrthCorr, corr, nCorr, finalIter, cumulativeContErr ):
rho.ext_assign( thermo.rho() )
# Thermodynamic density needs to be updated by psi*d(p) after the
# pressure solution - done in 2 parts. Part 1:
thermo.rho().ext_assign( thermo.rho() - psi * p_rgh )
rUA = 1.0 / UEqn.A()
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
from Foam import fvc
rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ), fvc.interpolate( rho * rUA ) )
U.ext_assign( rUA*UEqn.H() )
phi.ext_assign( fvc.interpolate( rho ) * ( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) )
buoyancyPhi = -rhorUAf * ghf * fvc.snGrad( rho ) * mesh.magSf()
phi.ext_assign( phi + buoyancyPhi )
from Foam import fvm
from Foam.finiteVolume import correction
for nonOrth in range( nNonOrthCorr +1 ):
p_rghEqn = fvc.ddt( rho ) + psi * correction( fvm.ddt( p_rgh ) ) + fvc.div( phi ) - fvm.laplacian( rhorUAf, p_rgh )
p_rghEqn.solve( mesh.solver( p_rgh.select( ( finalIter and corr == nCorr-1 and nonOrth == nNonOrthCorr ) ) ) )
if nonOrth == nNonOrthCorr:
# Calculate the conservative fluxes
phi.ext_assign( phi + p_rghEqn.flux() )
# Explicitly relax pressure for momentum corrector
p_rgh.relax()
# Correct the momentum source with the pressure gradient flux
# calculated from the relaxed pressure
U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi + p_rghEqn.flux() ) / rhorUAf ) )
U.correctBoundaryConditions()
pass
p.ext_assign( p_rgh + rho * gh )
# Second part of thermodynamic density update
thermo.rho().ext_assign( thermo.rho() + psi * p_rgh )
DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) )
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn( rho, phi )
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr )
return cumulativeContErr
def create_fields(runTime, mesh, g):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicRhoThermo
thermo = basicRhoThermo.New(mesh)
from Foam.OpenFOAM import IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.NO_WRITE), thermo.rho())
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi(runTime, mesh, rho, U)
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New(rho, U, phi, thermo())
ext_Info() << "Calculating field g.h\n" << nl
gh = volScalarField(word("gh"), g & mesh.C())
from Foam.finiteVolume import surfaceScalarField
ghf = surfaceScalarField(word("ghf"), g & mesh.Cf())
ext_Info() << "Reading field p_rgh\n" << nl
p_rgh = volScalarField(
IOobject(word("p_rgh"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
# Force p_rgh to be consistent with p
p_rgh.ext_assign(p - rho * gh)
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
DpDt = volScalarField(
word("DpDt"),
fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)),
p))
return thermo, p, rho, h, psi, U, phi, turbulence, gh, ghf, p_rgh, DpDt
def fun_pEqn( thermo, g, rho, UEqn, p, U, psi, phi, initialMass, runTime, mesh, nNonOrthCorr, pRefCell, eqnResidual, maxResidual, cumulativeContErr ):
rho.ext_assign( thermo.rho() )
rUA = 1.0/UEqn.A()
from Foam.OpenFOAM import word
from Foam import fvc,fvm
from Foam.finiteVolume import surfaceScalarField
rhorUAf = surfaceScalarField(word( "(rho*(1|A(U)))" ) , fvc.interpolate(rho*rUA));
U.ext_assign(rUA*UEqn.H())
UEqn.clear()
phi.ext_assign( fvc.interpolate( rho )*(fvc.interpolate(U) & mesh.Sf()) )
from Foam.finiteVolume import adjustPhi
closedVolume = adjustPhi(phi, U, p);
buoyancyPhi =surfaceScalarField( rhorUAf * fvc.interpolate( rho )*( g & mesh.Sf() ) )
phi.ext_assign( phi+buoyancyPhi )
for nonOrth in range( nNonOrthCorr+1 ):
from Foam import fvm
pEqn = fvm.laplacian(rhorUAf, p) == fvc.div(phi)
pEqn.setReference(pRefCell, p[pRefCell]);
if (nonOrth == 0):
eqnResidual = pEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
else:
pEqn.solve()
if (nonOrth == nNonOrthCorr):
if (closedVolume):
p.ext_assign( p + ( initialMass - fvc.domainIntegrate( psi * p ) ) / fvc.domainIntegrate( psi ) )
phi.ext_assign( phi - pEqn.flux() )
p.relax()
U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi - pEqn.flux() ) / rhorUAf ) )
U.correctBoundaryConditions();
from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs
cumulativeContErr = ContinuityErrs( phi, runTime, mesh, cumulativeContErr )
rho.ext_assign( thermo.rho() )
rho.relax()
ext_Info()<< "rho max/min : " << rho.ext_max().value() << " " << rho.ext_min().value() << nl
return eqnResidual, maxResidual, cumulativeContErr
def _createFields(runTime, mesh):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicPsiThermo
thermo = basicPsiThermo.New(mesh)
p = thermo.p()
e = thermo.e()
T = thermo.T()
psi = thermo.psi()
mu = thermo.mu()
inviscid = True
if mu.internalField().max() > 0.0:
inviscid = False
pass
ext_Info() << "Reading field U\n" << nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
pbf, rhoBoundaryTypes = _rhoBoundaryTypes(p)
from Foam.finiteVolume import volScalarField
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.AUTO_WRITE), thermo.rho(),
rhoBoundaryTypes)
rhoU = volVectorField(
IOobject(word("rhoU"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.NO_WRITE), rho * U)
rhoE = volScalarField(
IOobject(word("rhoE"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.NO_WRITE),
rho * (e + 0.5 * U.magSqr()))
from Foam.OpenFOAM import dimensionedScalar, dimless
from Foam.finiteVolume import surfaceScalarField
pos = surfaceScalarField(
IOobject(word("pos"), fileName(runTime.timeName()), mesh), mesh,
dimensionedScalar(word("pos"), dimless, 1.0))
neg = surfaceScalarField(
IOobject(word("neg"), fileName(runTime.timeName()), mesh), mesh,
dimensionedScalar(word("neg"), dimless, -1.0))
return thermo, p, e, T, psi, mu, U, pbf, rhoBoundaryTypes, rho, rhoU, rhoE, pos, neg, inviscid
def _pEqn( rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, DpDt, cumulativeContErr, corr, nCorr, nOuterCorr, transonic ):
rho.ext_assign( thermo.rho() )
rUA = 1.0/UEqn.A()
U.ext_assign( rUA * UEqn.H() )
from Foam import fvc, fvm
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
if transonic:
phid = surfaceScalarField( word( "phid" ),
fvc.interpolate( psi ) * ( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) )
for nonOrth in range( nNonOrthCorr + 1 ) :
pEqn = fvm.ddt( psi, p ) + fvm.div( phid, p ) - fvm.laplacian( rho * rUA, p )
pEqn.solve()
if nonOrth == nNonOrthCorr:
phi == pEqn.flux()
pass
pass
pass
else:
phi.ext_assign( fvc.interpolate( rho ) * ( ( fvc.interpolate(U) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) )
for nonOrth in range( nNonOrthCorr + 1 ) :
pEqn = fvm.ddt( psi, p ) + fvc.div( phi ) - fvm.laplacian( rho * rUA, p )
pEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi + pEqn.flux() )
pass
pass
pass
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn( rho, phi )
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr )
U.ext_assign( U - rUA * fvc.grad( p ) )
U.correctBoundaryConditions()
DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) )
return cumulativeContErr
def _pEqn( rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, cumulativeContErr ):
from Foam.finiteVolume import volScalarField
rUA = 1.0/UEqn.A()
U.ext_assign( rUA*UEqn.H() )
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phid = surfaceScalarField( word( "phid" ),
fvc.interpolate( thermo.psi() ) * ( (fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) )
for nonOrth in range( nNonOrthCorr + 1 ) :
from Foam import fvm
pEqn = ( fvm.ddt(psi, p) + fvm.div(phid, word( "div(phid,p)" ) ) - fvm.laplacian(rho*rUA, p) )
pEqn.solve()
if (nonOrth == nNonOrthCorr) :
phi.ext_assign( pEqn.flux() )
pass
pass
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn( rho, phi )
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr )
U.ext_assign( U - rUA * fvc.grad(p) )
U.correctBoundaryConditions()
return cumulativeContErr
def alphaEqn( mesh, phi, alpha1, rhoPhi, rho1, rho2, interface, nAlphaCorr ):
from Foam.OpenFOAM import word
alphaScheme = word( "div(phi,alpha)" )
alpharScheme = word( "div(phirb,alpha)" )
from Foam.finiteVolume import surfaceScalarField
phic = surfaceScalarField( ( phi / mesh.magSf() ).mag() )
phic.ext_assign( ( interface.cAlpha() * phic ).ext_min( phic.ext_max() ) )
phir = phic * interface.nHatf()
from Foam import fvc
from Foam import MULES
for aCorr in range( nAlphaCorr ):
phiAlpha = fvc.flux( phi, alpha1, alphaScheme ) + fvc.flux( -fvc.flux( -phir, 1.0 - alpha1, alpharScheme ), alpha1, alpharScheme )
MULES.explicitSolve( alpha1, phi, phiAlpha, 1.0, 0.0 )
rhoPhi.ext_assign( phiAlpha * ( rho1 - rho2 ) + phi * rho2 )
pass
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Liquid phase volume fraction = " << alpha1.weightedAverage( mesh.V() ).value() \
<< " Min(alpha1) = " << alpha1.ext_min().value() \
<< " Max(alpha1) = " << alpha1.ext_max().value() << nl
pass
def _UEqn(mesh, alpha1, U, p, rho, rhoPhi, turbulence, g, twoPhaseProperties, interface, momentumPredictor):
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
muEff = surfaceScalarField(word("muEff"), twoPhaseProperties.muf() + fvc.interpolate(rho * turbulence.ext_nut()))
from Foam import fvm
UEqn = fvm.ddt(rho, U) + fvm.div(rhoPhi, U) - fvm.laplacian(muEff, U) - (fvc.grad(U) & fvc.grad(muEff))
UEqn.relax()
if momentumPredictor:
from Foam.finiteVolume import solve
solve(
UEqn
== fvc.reconstruct(
fvc.interpolate(rho) * (g & mesh.Sf())
+ (fvc.interpolate(interface.sigmaK()) * fvc.snGrad(alpha1) - fvc.snGrad(p)) * mesh.magSf()
)
)
pass
return UEqn
def _pEqn(rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p,
cumulativeContErr):
from Foam.finiteVolume import volScalarField
rUA = 1.0 / UEqn.A()
U.ext_assign(rUA * UEqn.H())
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phid = surfaceScalarField(
word("phid"),
fvc.interpolate(thermo.psi()) *
((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi)))
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm
pEqn = (fvm.ddt(psi, p) + fvm.div(phid, word("div(phid,p)")) -
fvm.laplacian(rho * rUA, p))
pEqn.solve()
if (nonOrth == nNonOrthCorr):
phi.ext_assign(pEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs(rho, thermo,
cumulativeContErr)
U.ext_assign(U - rUA * fvc.grad(p))
U.correctBoundaryConditions()
return cumulativeContErr
def alphaEqn(mesh, phi, alpha1, rhoPhi, rho1, rho2, interface, nAlphaCorr):
from Foam.OpenFOAM import word
alphaScheme = word("div(phi,alpha)")
alpharScheme = word("div(phirb,alpha)")
from Foam.finiteVolume import surfaceScalarField
phic = surfaceScalarField((phi / mesh.magSf()).mag())
phic.ext_assign((interface.cAlpha() * phic).ext_min(phic.ext_max()))
phir = phic * interface.nHatf()
from Foam import fvc
from Foam import MULES
for aCorr in range(nAlphaCorr):
phiAlpha = fvc.flux(phi, alpha1, alphaScheme) + fvc.flux(
-fvc.flux(-phir, 1.0 - alpha1, alpharScheme), alpha1, alpharScheme)
MULES.explicitSolve(alpha1, phi, phiAlpha, 1.0, 0.0)
rhoPhi.ext_assign(phiAlpha * (rho1 - rho2) + phi * rho2)
pass
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Liquid phase volume fraction = " << alpha1.weightedAverage( mesh.V() ).value() \
<< " Min(alpha1) = " << alpha1.ext_min().value() \
<< " Max(alpha1) = " << alpha1.ext_max().value() << nl
pass
def fun_UEqn(mesh, U, p_rgh, ghf, rho, rhoPhi, turbulence, twoPhaseProperties, momentumPredictor, finalIter):
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
muEff = surfaceScalarField(word("muEff"), twoPhaseProperties.muf() + fvc.interpolate(rho * turbulence.ext_nut()))
from Foam import fvm, fvc
UEqn = fvm.ddt(rho, U) + fvm.div(rhoPhi, U) - fvm.laplacian(muEff, U) - (fvc.grad(U) & fvc.grad(muEff))
if finalIter:
UEqn.relax(1.0)
pass
else:
UEqn.relax()
pass
if momentumPredictor:
from Foam.finiteVolume import solve
solve(
UEqn == fvc.reconstruct((-ghf * fvc.snGrad(rho) - fvc.snGrad(p_rgh)) * mesh.magSf()),
mesh.solver(U.select(finalIter)),
)
pass
return UEqn
def createFields( runTime, mesh, g ):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
ext_Info() << "Reading thermophysical properties\n" << nl
ext_Info() << "Reading field T\n" << nl
T = volScalarField( IOobject( word( "T" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
ext_Info() << "Reading field p\n" << nl
p = volScalarField( IOobject( word( "p" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
from Foam.finiteVolume.cfdTools.incompressible import createPhi
phi = createPhi( runTime, mesh, U )
laminarTransport, beta, TRef,Pr, Prt = readTransportProperties( U, phi )
ext_Info() << "Creating turbulence model\n" << nl
from Foam import incompressible
turbulence = incompressible.RASModel.New( U, phi, laminarTransport )
ext_Info() << "Calculating field beta*(g.h)\n" << nl
from Foam.finiteVolume import surfaceScalarField
betaghf = surfaceScalarField( word( "betagh" ), beta * ( g & mesh.Cf() ) )
pRefCell = 0
pRefValue = 0.0
from Foam.finiteVolume import setRefCell
pRefCell, pRefValue = setRefCell( p, mesh.solutionDict().subDict( word( "SIMPLE" ) ), pRefCell, pRefValue )
# Kinematic density for buoyancy force
rhok = volScalarField( IOobject( word( "rhok" ),
fileName( runTime.timeName() ),
mesh ),
1.0 - beta * ( T - TRef ) )
return T, p, U, phi, laminarTransport, beta, TRef,Pr, Prt, turbulence, betaghf, pRefCell, pRefValue, rhok
def create_fields( runTime, mesh ):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicPsiThermo, autoPtr_basicPsiThermo
thermo = basicPsiThermo.New( mesh )
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
from Foam.OpenFOAM import IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField( IOobject( word( "rho" ),
fileName( runTime.timeName() ),
mesh,
IOobject.READ_IF_PRESENT,
IOobject.AUTO_WRITE ),
thermo.rho() )
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi( runTime, mesh, rho, U )
from Foam.OpenFOAM import dimensionedScalar
pMin = dimensionedScalar( mesh.solutionDict().subDict( word( "PIMPLE" ) ).lookup( word( "pMin" ) ) )
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New( rho, U, phi, thermo() )
# initialMass = fvc.domainIntegrate(rho)
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p )
from Foam.finiteVolume import MRFZones
mrfZones = MRFZones( mesh )
mrfZones.correctBoundaryVelocity( U )
from Foam.finiteVolume import porousZones
pZones = porousZones( mesh )
from Foam.OpenFOAM import Switch
pressureImplicitPorosity = Switch( False )
return thermo, turbulence, p, h, psi, rho, U, phi, pMin, DpDt, mrfZones, pZones, pressureImplicitPorosity
def fun_pEqn(runTime, mesh, p, phi, U, UEqn, g, rhok, eqnResidual, maxResidual,
nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue):
from Foam.finiteVolume import volScalarField, surfaceScalarField
from Foam.OpenFOAM import word
from Foam import fvc
rUA = volScalarField(word("rUA"), 1.0 / UEqn().A())
rUAf = surfaceScalarField(word("(1|A(U))"), fvc.interpolate(rUA))
U.ext_assign(rUA * UEqn().H())
UEqn.clear()
from Foam import fvc
phi.ext_assign(fvc.interpolate(U) & mesh.Sf())
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
buoyancyPhi = rUAf * fvc.interpolate(rhok) * (g & mesh.Sf())
phi.ext_assign(phi + buoyancyPhi)
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm, fvc
pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi)
pEqn.setReference(pRefCell, pRefValue)
# retain the residual from the first iteration
if (nonOrth == 0):
eqnResidual = pEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
pass
else:
pEqn.solve()
pass
if (nonOrth == nNonOrthCorr):
# Calculate the conservative fluxes
phi.ext_assign(phi - pEqn.flux())
# Explicitly relax pressure for momentum corrector
p.relax()
# Correct the momentum source with the pressure gradient flux
# calculated from the relaxed pressure
U.ext_assign(U + rUA *
fvc.reconstruct((buoyancyPhi - pEqn.flux()) / rUAf))
U.correctBoundaryConditions()
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
return eqnResidual, maxResidual, cumulativeContErr
def fun_pEqn( runTime, mesh, p, phi, U, UEqn, g, rhok, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue ):
from Foam.finiteVolume import volScalarField, surfaceScalarField
from Foam.OpenFOAM import word
from Foam import fvc
rUA = volScalarField( word( "rUA" ), 1.0 / UEqn().A() )
rUAf = surfaceScalarField(word( "(1|A(U))" ), fvc.interpolate( rUA ) )
U.ext_assign( rUA * UEqn().H() )
UEqn.clear()
from Foam import fvc
phi.ext_assign( fvc.interpolate( U ) & mesh.Sf() )
from Foam.finiteVolume import adjustPhi
adjustPhi( phi, U, p )
buoyancyPhi = rUAf * fvc.interpolate( rhok ) * ( g & mesh.Sf() )
phi.ext_assign( phi + buoyancyPhi )
for nonOrth in range( nNonOrthCorr+1 ):
from Foam import fvm, fvc
pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi)
pEqn.setReference( pRefCell, pRefValue )
# retain the residual from the first iteration
if ( nonOrth == 0 ):
eqnResidual = pEqn.solve().initialResidual()
maxResidual = max( eqnResidual, maxResidual )
pass
else:
pEqn.solve()
pass
if ( nonOrth == nNonOrthCorr ):
# Calculate the conservative fluxes
phi.ext_assign( phi - pEqn.flux() )
# Explicitly relax pressure for momentum corrector
p.relax()
# Correct the momentum source with the pressure gradient flux
# calculated from the relaxed pressure
U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi - pEqn.flux() ) / rUAf ) )
U.correctBoundaryConditions()
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
return eqnResidual, maxResidual, cumulativeContErr
def create_fields(runTime, mesh):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicPsiThermo, autoPtr_basicPsiThermo
thermo = basicPsiThermo.New(mesh)
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
from Foam.OpenFOAM import IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh,
IOobject.READ_IF_PRESENT, IOobject.AUTO_WRITE), thermo.rho())
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi(runTime, mesh, rho, U)
from Foam.OpenFOAM import dimensionedScalar
pMin = dimensionedScalar(mesh.solutionDict().subDict(
word("PIMPLE")).lookup(word("pMin")))
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New(rho, U, phi, thermo())
# initialMass = fvc.domainIntegrate(rho)
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = fvc.DDt(
surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p)
from Foam.finiteVolume import MRFZones
mrfZones = MRFZones(mesh)
mrfZones.correctBoundaryVelocity(U)
from Foam.finiteVolume import porousZones
pZones = porousZones(mesh)
from Foam.OpenFOAM import Switch
pressureImplicitPorosity = Switch(False)
return thermo, turbulence, p, h, psi, rho, U, phi, pMin, DpDt, mrfZones, pZones, pressureImplicitPorosity
def createFields(runTime, mesh, g):
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import autoPtr_basicPsiThermo, basicPsiThermo
thermo = basicPsiThermo.New(mesh)
from Foam.finiteVolume import volScalarField
from Foam.OpenFOAM import IOobject, word, fileName
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.NO_WRITE), thermo.rho())
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi(runTime, mesh, rho, U)
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.RASModel.New(rho, U, phi, thermo())
ext_Info() << "Calculating field g.h\n" << nl
gh = volScalarField(word("gh"), g & mesh.C())
from Foam.finiteVolume import surfaceScalarField
ghf = surfaceScalarField(word("ghf"), g & mesh.Cf())
ext_Info() << "Reading field p_rgh\n" << nl
p_rgh = volScalarField(
IOobject(word("p_rgh"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
#Force p_rgh to be consistent with p
p_rgh.ext_assign(p - rho * gh)
pRefCell = 0
pRefValue = 0.0
from Foam.finiteVolume import setRefCell
pRefCell, pRefValue = setRefCell(
p, p_rgh,
mesh.solutionDict().subDict(word("SIMPLE")), pRefCell, pRefValue)
from Foam import fvc
initialMass = fvc.domainIntegrate(rho)
totalVolume = mesh.V().ext_sum()
return thermo, rho, p, h, psi, U, phi, turbulence, gh, ghf, p_rgh, pRefCell, pRefValue, initialMass, totalVolume
def _pEqn( runTime, mesh, UEqn, U, p, p_rgh, gh, ghf, phi, alpha1, rho, g, interface, corr, nCorr, nNonOrthCorr, pRefCell, pRefValue, cumulativeContErr ):
rAU = 1.0/UEqn.A()
from Foam import fvc
rAUf = fvc.interpolate( rAU )
U.ext_assign( rAU * UEqn.H() )
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phiU = surfaceScalarField( word( "phiU" ), fvc.interpolate( U ) & mesh.Sf() )
if p_rgh.needReference():
fvc.makeRelative( phiU, U )
from Foam.finiteVolume import adjustPhi
adjustPhi( phiU, U, p )
fvc.makeAbsolute( phiU, U )
pass
phi.ext_assign( phiU + ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - ghf * fvc.snGrad( rho ) )*rAUf*mesh.magSf() )
from Foam import fvm
for nonOrth in range( nNonOrthCorr + 1 ):
p_rghEqn = fvm.laplacian( rAUf, p_rgh ) == fvc.div( phi )
p_rghEqn.setReference( pRefCell, pRefValue )
p_rghEqn.solve( mesh.solver( p_rgh.select(corr == nCorr-1 and nonOrth == nNonOrthCorr) ) )
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi - p_rghEqn.flux() )
pass
pass
U.ext_assign( U + rAU * fvc.reconstruct( ( phi - phiU ) / rAUf ) )
U.correctBoundaryConditions()
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
# Make the fluxes relative to the mesh motion
fvc.makeRelative( phi, U )
p == p_rgh + rho * gh
if p_rgh.needReference():
from Foam.OpenFOAM import pRefValue
p.ext_assign( p + dimensionedScalar( word( "p" ),
p.dimensions(),
pRefValue - getRefCellValue(p, pRefCell) ) )
p_rgh.ext_assign( p - rho * gh )
pass
return cumulativeContErr
def createPhi(runTime, hU, mesh):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import surfaceScalarField
ext_Info() << "Reading/calculating face flux field phi\n" << nl
from Foam.finiteVolume import linearInterpolate
phi = surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.READ_IF_PRESENT, IOobject.AUTO_WRITE),
linearInterpolate(hU) & mesh.Sf())
return phi
def fun_pEqn( runTime, mesh, UEqn, p, p_rgh, phi, U, rho, rho1, rho2, rho10, rho20, gh, ghf, dgdt, pMin, \
psi1, psi2, alpha1, alpha2, interface, transonic, oCorr, nOuterCorr, corr, nCorr, nNonOrthCorr ):
rUA = 1.0/UEqn.A()
from Foam import fvc
rUAf = fvc.interpolate( rUA )
p_rghEqnComp = None
from Foam import fvm
if transonic:
p_rghEqnComp = fvm.ddt( p_rgh ) + fvm.div( phi, p_rgh ) - fvm.Sp( fvc.div( phi ), p_rgh )
pass
else:
p_rghEqnComp = fvm.ddt( p_rgh ) + fvc.div( phi, p_rgh ) - fvc.Sp( fvc.div( phi ), p_rgh )
pass
U.ext_assign( rUA * UEqn.H() )
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phiU = surfaceScalarField( word( "phiU" ),
( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) )
phi.ext_assign(phiU + ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - ghf * fvc.snGrad( rho ) ) * rUAf * mesh.magSf() )
from Foam.finiteVolume import solve
from Foam.OpenFOAM import scalar
for nonOrth in range( nNonOrthCorr +1 ):
p_rghEqnIncomp = fvc.div( phi ) - fvm.laplacian( rUAf, p_rgh )
solve( ( alpha1.ext_max( scalar( 0 ) ) * ( psi1 / rho1 ) + alpha2.ext_max( scalar( 0 ) ) * ( psi2 / rho2 ) ) *p_rghEqnComp() + p_rghEqnIncomp,
mesh.solver( p_rgh.select( oCorr == ( nOuterCorr - 1 ) and corr == ( nCorr-1 ) and nonOrth == nNonOrthCorr ) ) )
if nonOrth == nNonOrthCorr:
dgdt.ext_assign( ( alpha2.pos() * ( psi2 / rho2 ) - alpha1.pos() * ( psi1 / rho1 ) ) * ( p_rghEqnComp & p_rgh ) )
phi.ext_assign( phi + p_rghEqnIncomp.flux() )
pass
U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rUAf ) )
U.correctBoundaryConditions()
p.ext_assign( ( ( p_rgh + gh * ( alpha1 * rho10 + alpha2 * rho20 ) ) /( 1.0 - gh * ( alpha1 * psi1 + alpha2 * psi2 ) ) ).ext_max( pMin ) )
rho1.ext_assign( rho10 + psi1 * p )
rho2.ext_assign( rho20 + psi2 * p )
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "max(U) " << U.mag().ext_max().value() << nl
ext_Info() << "min(p_rgh) " << p_rgh.ext_min().value() << nl
pass
def _createFields( runTime, mesh, g ):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicRhoThermo
thermo = basicRhoThermo.New( mesh )
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho= volScalarField( IOobject( word( "rho" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.NO_WRITE ),
thermo.rho() )
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi( runTime, mesh, rho, U )
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New( rho, U, phi, thermo() )
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = volScalarField( word( "DpDt" ),
fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) )
thermo.correct()
initialMass = fvc.domainIntegrate(rho);
totalVolume = mesh.V().ext_sum()
return thermo, p, h, psi, phi, rho, U, turbulence, DpDt, initialMass, totalVolume
def createPhi( runTime, hU, mesh ):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import surfaceScalarField
ext_Info() << "Reading/calculating face flux field phi\n" << nl
from Foam.finiteVolume import linearInterpolate
phi = surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.READ_IF_PRESENT,
IOobject.AUTO_WRITE ),
linearInterpolate( hU ) & mesh.Sf() )
return phi
def createFields(runTime, mesh, g):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
ext_Info() << "Reading thermophysical properties\n" << nl
ext_Info() << "Reading field T\n" << nl
T = volScalarField(
IOobject(word("T"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
ext_Info() << "Reading field p\n" << nl
p = volScalarField(
IOobject(word("p"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.finiteVolume.cfdTools.incompressible import createPhi
phi = createPhi(runTime, mesh, U)
laminarTransport, beta, TRef, Pr, Prt = readTransportProperties(U, phi)
ext_Info() << "Creating turbulence model\n" << nl
from Foam import incompressible
turbulence = incompressible.RASModel.New(U, phi, laminarTransport)
ext_Info() << "Calculating field beta*(g.h)\n" << nl
from Foam.finiteVolume import surfaceScalarField
betaghf = surfaceScalarField(word("betagh"), beta * (g & mesh.Cf()))
pRefCell = 0
pRefValue = 0.0
from Foam.finiteVolume import setRefCell
pRefCell, pRefValue = setRefCell(
p,
mesh.solutionDict().subDict(word("SIMPLE")), pRefCell, pRefValue)
# Kinematic density for buoyancy force
rhok = volScalarField(
IOobject(word("rhok"), fileName(runTime.timeName()), mesh),
1.0 - beta * (T - TRef))
return T, p, U, phi, laminarTransport, beta, TRef, Pr, Prt, turbulence, betaghf, pRefCell, pRefValue, rhok
def compressibleCreatePhi( runTime, mesh, rhoU ):
from Foam.OpenFOAM import IOobject, word, fileName
phiHeader = IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ )
from Foam.OpenFOAM import ext_Info, nl
if phiHeader.headerOk():
ext_Info() << "Reading face flux field phi\n" << nl
from Foam.finiteVolume import surfaceScalarField
phi = surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
pass
else:
ext_Info() << "Calculating face flux field phi\n" << nl
from Foam.OpenFOAM import wordList
from Foam.finiteVolume import calculatedFvPatchScalarField
phiTypes =wordList( 2, calculatedFvPatchScalarField.typeName )
from Foam.finiteVolume import surfaceScalarField, linearInterpolate
phi = surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.AUTO_WRITE ),
linearInterpolate( rhoU ) & mesh.Sf(),
phiTypes )
pass
return phiHeader, phi, phiTypes
def _createFields(runTime, mesh):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicPsiThermo, autoPtr_basicPsiThermo
thermo = basicPsiThermo.New(mesh)
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh, IOobject.READ_IF_PRESENT, IOobject.AUTO_WRITE),
thermo.rho(),
)
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh, IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh
)
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi(runTime, mesh, rho, U)
from Foam.OpenFOAM import dimensionedScalar
pMin = dimensionedScalar(mesh.solutionDict().subDict(word("PIMPLE")).lookup(word("pMin")))
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New(rho, U, phi, thermo())
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p)
return p, h, psi, rho, U, phi, turbulence, thermo, pMin, DpDt
def _pEqn(mesh, UEqn, U, p, phi, alpha1, rho, g, interface, corr, nCorr, nNonOrthCorr, pRefCell, pRefValue):
rUA = 1.0 / UEqn.A()
from Foam import fvc
rUAf = fvc.interpolate(rUA)
U.ext_assign(rUA * UEqn.H())
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phiU = surfaceScalarField(word("phiU"), (fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))
from Foam.finiteVolume import adjustPhi
adjustPhi(phiU, U, p)
phi.ext_assign(
phiU
+ (
fvc.interpolate(interface.sigmaK()) * fvc.snGrad(alpha1) * mesh.magSf()
+ fvc.interpolate(rho) * (g & mesh.Sf())
)
* rUAf
)
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi)
pEqn.setReference(pRefCell, pRefValue)
if corr == nCorr - 1 and nonOrth == nNonOrthCorr:
pEqn.solve(mesh.solver(word(str(p.name()) + "Final")))
pass
else:
pEqn.solve(mesh.solver(p.name()))
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi - pEqn.flux())
pass
pass
U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rUAf))
U.correctBoundaryConditions()
pass
def fun_pEqn( i, fluidRegions, Uf, pdf, rhof, thermof, phif, ghf, Kf, DpDtf, turb, initialMassf, UEqn, pRef, corr, nCorr, nNonOrthCorr, cumulativeContErr ) :
closedVolume = False
rhof[ i ].ext_assign( thermof[ i ].rho() )
rUA = 1.0 / UEqn.A()
Uf[ i ].ext_assign( rUA * UEqn.H() )
from Foam import fvc
phif[ i ] .ext_assign( fvc.interpolate( rhof[ i ] ) * ( ( fvc.interpolate( Uf[ i ] ) & fluidRegions[ i ].Sf() ) +
fvc.ddtPhiCorr( rUA, rhof[ i ], Uf[ i ], phif[ i ] ) ) -
fvc.interpolate( rhof[ i ] * rUA * ghf[ i ] ) * fvc.snGrad( rhof[ i ] ) * fluidRegions[ i ].magSf() )
# Solve pressure difference
pdEqn, closedVolume = fun_pdEqn( corr, nCorr, nNonOrthCorr, closedVolume, pdf[i], pRef, rhof[i], thermof[i].psi(), rUA, ghf[i], phif[i] )
# Solve continuity
rhoEqn( rhof[i], phif[i] )
# Update pressure field (including bc)
from Foam.OpenFOAM import word
thermof[i].p() == pdf[ i ] + rhof[ i ] * ghf[ i ] + pRef
from Foam.finiteVolume import surfaceScalarField
DpDtf[i].ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phif[ i ] / fvc.interpolate( rhof[ i ] ) ), thermof[i].p() ) )
# Update continuity errors
cumulativeContErr = compressibleContinuityErrors( cumulativeContErr, rhof[i], thermof[i] )
# Correct velocity field
Uf[ i ].ext_assign( Uf[i] - rUA * ( fvc.grad( pdf[ i ] ) + fvc.grad( rhof[ i ] ) * ghf[ i ] ) )
Uf[ i ].correctBoundaryConditions()
# For closed-volume cases adjust the pressure and density levels
# to obey overall mass continuity
if (closedVolume):
from Foam.OpenFOAM import dimensionedScalar, dimMass
thermof[i].p().ext_assign( thermof[i].p() +
( dimensionedScalar( word( "massIni" ),
dimMass,
initialMassf[ i ] ) - fvc.domainIntegrate( thermof[ i ].psi() * thermof[ i ].p() ) )
/ fvc.domainIntegrate( thermof[ i ].psi() ) )
rhof[ i ].ext_assign( thermof[ i ].rho() )
# Update thermal conductivity
Kf[i].ext_assign( rhof[ i ] * thermof[ i ].Cp() * turb[ i ].alphaEff() )
return cumulativeContErr
def _createFields(runTime, mesh, g):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicRhoThermo
thermo = basicRhoThermo.New(mesh)
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.NO_WRITE), thermo.rho())
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi(runTime, mesh, rho, U)
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New(rho, U, phi, thermo())
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = volScalarField(
word("DpDt"),
fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)),
p))
thermo.correct()
initialMass = fvc.domainIntegrate(rho)
totalVolume = mesh.V().ext_sum()
return thermo, p, h, psi, phi, rho, U, turbulence, DpDt, initialMass, totalVolume
def createFields( runTime, mesh ):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicThermo, autoPtr_basicThermo
thermo = basicThermo.New( mesh )
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
rho = thermo.rho()
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField( IOobject( word( "rho" ),
fileName( runTime.timeName() ),
mesh ),
rho )
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi( runTime, mesh, rho, U )
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.RASModel.New( rho,
U,
phi,
thermo() )
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = fvc.DDt( surfaceScalarField(word( "phiU" ), phi / fvc.interpolate( rho ) ), p );
return thermo, p, h, psi, rho, U, phi, turbulence, DpDt
def createPhi(runTime, mesh, U):
print "Reading/calculating face flux field phi\n"
from Foam.OpenFOAM import Time
from Foam.OpenFOAM import word
from Foam.OpenFOAM import fileName
from Foam.OpenFOAM import IOobject
from Foam.finiteVolume import fvMesh
from Foam.finiteVolume import volScalarField
from Foam.finiteVolume import surfaceScalarField
from Foam.finiteVolume import linearInterpolate
phi = surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.READ_IF_PRESENT, IOobject.AUTO_WRITE),
linearInterpolate(U) & mesh.Sf())
return phi
def _createFields( runTime, mesh ):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
ext_Info() << "Reading field p\n" << nl
p = volScalarField( IOobject( word( "p" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.NO_WRITE ),
mesh )
from Foam.OpenFOAM import dimensionedScalar
p.ext_assign( dimensionedScalar( word( "zero" ), p.dimensions(), 0.0 ) )
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
mesh,
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
mesh )
from Foam.OpenFOAM import dimensionedVector, vector
U.ext_assign( dimensionedVector( word( "0" ), U.dimensions(), vector.zero ) )
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
phi = surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.AUTO_WRITE ),
fvc.interpolate( U ) & mesh.Sf() )
pRefCell = 0
pRefValue = 0.0
from Foam.finiteVolume import setRefCell
pRefCell, pRefValue = setRefCell( p, mesh.solutionDict().subDict( word( "SIMPLE" ) ), pRefCell, pRefValue )
return p, U, phi, pRefCell, pRefValue
def createPhi( runTime, mesh, U ):
print "Reading/calculating face flux field phi\n"
from Foam.OpenFOAM import Time
from Foam.OpenFOAM import word
from Foam.OpenFOAM import fileName
from Foam.OpenFOAM import IOobject
from Foam.finiteVolume import fvMesh
from Foam.finiteVolume import volScalarField
from Foam.finiteVolume import surfaceScalarField
from Foam.finiteVolume import linearInterpolate
phi = surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
mesh,
IOobject.READ_IF_PRESENT,
IOobject.AUTO_WRITE ),
linearInterpolate( U ) & mesh.Sf() )
return phi
def _UEqn( mesh, alpha1, U, p, rho, rhoPhi, turbulence, g, twoPhaseProperties, interface, momentumPredictor ):
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
muEff = surfaceScalarField( word( "muEff" ),
twoPhaseProperties.muf() + fvc.interpolate( rho * turbulence.ext_nut() ) )
from Foam import fvm
UEqn = fvm.ddt( rho, U ) + fvm.div( rhoPhi, U ) - fvm.laplacian( muEff, U ) - ( fvc.grad( U ) & fvc.grad( muEff ) )
UEqn.relax()
if momentumPredictor:
from Foam.finiteVolume import solve
solve( UEqn == \
fvc.reconstruct( fvc.interpolate( rho ) * ( g & mesh.Sf() ) + \
( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - fvc.snGrad( p ) ) * mesh.magSf() ) )
pass
return UEqn
def _createFields(runTime, mesh):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Reading thermophysical properties\n" << nl
from Foam.thermophysicalModels import basicPsiThermo, autoPtr_basicPsiThermo
thermo = basicPsiThermo.New(mesh)
p = thermo.p()
h = thermo.h()
psi = thermo.psi()
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
rho = volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()), mesh,
IOobject.READ_IF_PRESENT, IOobject.AUTO_WRITE), thermo.rho())
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.finiteVolume.cfdTools.compressible import compressibleCreatePhi
phi = compressibleCreatePhi(runTime, mesh, rho, U)
from Foam.OpenFOAM import dimensionedScalar
pMin = dimensionedScalar(mesh.solutionDict().subDict(
word("PIMPLE")).lookup(word("pMin")))
ext_Info() << "Creating turbulence model\n" << nl
from Foam import compressible
turbulence = compressible.turbulenceModel.New(rho, U, phi, thermo())
ext_Info() << "Creating field DpDt\n" << nl
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
DpDt = fvc.DDt(
surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p)
return p, h, psi, rho, U, phi, turbulence, thermo, pMin, DpDt
def _pEqn(mesh, UEqn, U, p, pd, phi, alpha1, rho, ghf, interface, corr, nCorr,
nNonOrthCorr, pdRefCell, pdRefValue):
rUA = 1.0 / UEqn.A()
from Foam import fvc
rUAf = fvc.interpolate(rUA)
U.ext_assign(rUA * UEqn.H())
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phiU = surfaceScalarField(word("phiU"), (fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, rho, U, phi))
from Foam.finiteVolume import adjustPhi
adjustPhi(phiU, U, p)
phi.ext_assign(phiU +
(fvc.interpolate(interface.sigmaK()) * fvc.snGrad(alpha1) -
ghf * fvc.snGrad(rho)) * rUAf * mesh.magSf())
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
pdEqn = fvm.laplacian(rUAf, pd) == fvc.div(phi)
pdEqn.setReference(pdRefCell, pdRefValue)
if corr == nCorr - 1 and nonOrth == nNonOrthCorr:
pdEqn.solve(mesh.solver(word(str(pd.name()) + "Final")))
pass
else:
pdEqn.solve(mesh.solver(pd.name()))
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi - pdEqn.flux())
pass
pass
U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rUAf))
U.correctBoundaryConditions()
pass
def fun_UEqn( mesh, alpha1, U, p, p_rgh, ghf, rho, rhoPhi, turbulence, g, twoPhaseProperties, interface, momentumPredictor, oCorr, nOuterCorr ):
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
muEff = surfaceScalarField( word( "muEff" ),
twoPhaseProperties.muf() + fvc.interpolate( rho * turbulence.ext_nut() ) )
from Foam import fvm
UEqn = fvm.ddt( rho, U ) + fvm.div( rhoPhi, U ) - fvm.laplacian( muEff, U ) - ( fvc.grad( U ) & fvc.grad( muEff ) )
UEqn.relax()
if momentumPredictor:
from Foam.finiteVolume import solve
solve( UEqn == \
fvc.reconstruct( ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - ghf * fvc.snGrad( rho ) \
- fvc.snGrad( p_rgh ) ) * mesh.magSf(),
mesh.solver( U.select( oCorr == nOuterCorr-1 ) ) ) )
pass
return UEqn
def _pEqn(runTime, mesh, U, UEqn, phi, p, rhok, g, corr, nCorr, nNonOrthCorr,
cumulativeContErr):
from Foam.finiteVolume import volScalarField, surfaceScalarField
from Foam.OpenFOAM import word
from Foam import fvc
rUA = volScalarField(word("rUA"), 1.0 / UEqn.A())
rUAf = surfaceScalarField(word("(1|A(U))"), fvc.interpolate(rUA))
U.ext_assign(rUA * UEqn.H())
phiU = (fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, U, phi)
phi.ext_assign(phiU + rUAf * fvc.interpolate(rhok) * (g & mesh.Sf()))
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm
pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi)
if (corr == nCorr - 1) and (nonOrth == nNonOrthCorr):
from Foam.OpenFOAM import word
pEqn.solve(mesh.solver(word(str(p.name()) + "Final")))
pass
else:
pEqn.solve(mesh.solver(p.name()))
pass
if (nonOrth == nNonOrthCorr):
phi.ext_assign(phi - pEqn.flux())
pass
pass
U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rUAf))
U.correctBoundaryConditions()
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
return pEqn
def _pEqn( runTime, mesh, U, UEqn, phi, p, rhok, g, corr, nCorr, nNonOrthCorr, cumulativeContErr ):
from Foam.finiteVolume import volScalarField, surfaceScalarField
from Foam.OpenFOAM import word
from Foam import fvc
rUA = volScalarField( word( "rUA" ), 1.0 / UEqn.A() )
rUAf = surfaceScalarField(word( "(1|A(U))" ), fvc.interpolate( rUA ) )
U.ext_assign( rUA * UEqn.H() )
phiU = ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, U, phi )
phi.ext_assign( phiU + rUAf * fvc.interpolate( rhok ) * ( g & mesh.Sf() ) )
for nonOrth in range( nNonOrthCorr+1 ):
from Foam import fvm
pEqn = fvm.laplacian( rUAf, p ) == fvc.div( phi )
if ( corr == nCorr-1 ) and (nonOrth == nNonOrthCorr):
from Foam.OpenFOAM import word
pEqn.solve(mesh.solver( word( str( p.name() ) + "Final" ) ) )
pass
else:
pEqn.solve( mesh.solver( p.name() ) )
pass
if (nonOrth == nNonOrthCorr):
phi.ext_assign( phi - pEqn.flux() )
pass
pass
U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rUAf ) )
U.correctBoundaryConditions()
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
return pEqn
def _createFields(runTime, mesh):
from Foam.OpenFOAM import ext_Info, nl
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName
from Foam.finiteVolume import volScalarField
ext_Info() << "Reading field p\n" << nl
p = volScalarField(
IOobject(word("p"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.NO_WRITE), mesh)
from Foam.OpenFOAM import dimensionedScalar
p.ext_assign(dimensionedScalar(word("zero"), p.dimensions(), 0.0))
ext_Info() << "Reading field U\n" << nl
from Foam.finiteVolume import volVectorField
U = volVectorField(
IOobject(word("U"), fileName(runTime.timeName()), mesh,
IOobject.MUST_READ, IOobject.AUTO_WRITE), mesh)
from Foam.OpenFOAM import dimensionedVector, vector
U.ext_assign(dimensionedVector(word("0"), U.dimensions(), vector.zero))
from Foam.finiteVolume import surfaceScalarField
from Foam import fvc
phi = surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()), mesh,
IOobject.NO_READ, IOobject.AUTO_WRITE),
fvc.interpolate(U) & mesh.Sf())
pRefCell = 0
pRefValue = 0.0
from Foam.finiteVolume import setRefCell
pRefCell, pRefValue = setRefCell(
p,
mesh.solutionDict().subDict(word("SIMPLE")), pRefCell, pRefValue)
return p, U, phi, pRefCell, pRefValue
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 createFluidFields( fluidRegions, runTime ) :
# Load boundary conditions
from .. import derivedFvPatchFields
# Initialise fluid field pointer lists
from Foam.finiteVolume import PtrList_volScalarField
rhoFluid = PtrList_volScalarField( fluidRegions.size() )
KFluid = PtrList_volScalarField( fluidRegions.size() )
from Foam.finiteVolume import PtrList_volVectorField
UFluid = PtrList_volVectorField( fluidRegions.size() )
from Foam.finiteVolume import PtrList_surfaceScalarField
phiFluid = PtrList_surfaceScalarField( fluidRegions.size() )
DpDtFluid = PtrList_volScalarField( fluidRegions.size() )
from Foam.OpenFOAM import PtrList_uniformDimensionedVectorField
gFluid = PtrList_uniformDimensionedVectorField( fluidRegions.size() )
from Foam.compressible import PtrList_compressible_turbulenceModel
turbulence = PtrList_compressible_turbulenceModel( fluidRegions.size() )
from Foam.thermophysicalModels import PtrList_basicRhoThermo
thermoFluid = PtrList_basicRhoThermo( fluidRegions.size() )
p_rghFluid = PtrList_volScalarField( fluidRegions.size() )
ghFluid = PtrList_volScalarField( fluidRegions.size() )
ghfFluid = PtrList_surfaceScalarField(fluidRegions.size())
from Foam.OpenFOAM import scalarList
initialMassFluid = scalarList( fluidRegions.size() )
#Populate fluid field pointer lists
for index in range( fluidRegions.size() ) :
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "*** Reading fluid mesh thermophysical properties for region " \
<< fluidRegions[ index ].name() << nl << nl
ext_Info()<< " Adding to thermoFluid\n" << nl
from Foam.thermophysicalModels import autoPtr_basicRhoThermo, basicRhoThermo
thermo= basicRhoThermo.New( fluidRegions[ index ] )
thermoFluid.ext_set( index, thermo )
ext_Info()<< " Adding to rhoFluid\n" << nl
from Foam.OpenFOAM import word, fileName, IOobject
from Foam.finiteVolume import volScalarField
rhoFluid.ext_set( index, volScalarField( IOobject( word( "rho" ),
fileName( runTime.timeName() ),
fluidRegions[ index ],
IOobject.NO_READ,
IOobject.AUTO_WRITE ),
thermoFluid[ index ].rho() ) )
ext_Info()<< " Adding to KFluid\n" << nl
KFluid.ext_set( index, volScalarField( IOobject( word( "K" ),
fileName( runTime.timeName() ),
fluidRegions[ index ],
IOobject.NO_READ,
IOobject.NO_WRITE ),
thermoFluid[ index ].Cp().ptr() * thermoFluid[ index ].alpha() ) )
ext_Info()<< " Adding to UFluid\n" << nl
from Foam.finiteVolume import volVectorField
UFluid.ext_set( index, volVectorField( IOobject( word( "U" ),
fileName( runTime.timeName() ),
fluidRegions[ index ],
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
fluidRegions[ index ] ) )
ext_Info()<< " Adding to phiFluid\n" << nl
from Foam.finiteVolume import surfaceScalarField
from Foam.finiteVolume import linearInterpolate
phiFluid.ext_set( index, surfaceScalarField( IOobject( word( "phi" ),
fileName( runTime.timeName() ),
fluidRegions[ index ],
IOobject.READ_IF_PRESENT,
IOobject.AUTO_WRITE),
linearInterpolate( rhoFluid[ index ] * UFluid[ index ] ) & fluidRegions[ index ].Sf() ) )
ext_Info()<< " Adding to gFluid\n" << nl
from Foam.OpenFOAM import uniformDimensionedVectorField
gFluid.ext_set( index, uniformDimensionedVectorField( IOobject( word( "g" ),
fileName( runTime.constant() ),
fluidRegions[ index ],
IOobject.MUST_READ,
IOobject.NO_WRITE ) ) )
ext_Info()<< " Adding to turbulence\n" << nl
from Foam import compressible
turbulence.ext_set( index, compressible.turbulenceModel.New( rhoFluid[ index ],
UFluid[ index ],
phiFluid[ index ],
thermoFluid[ index ] ) )
ext_Info() << " Adding to ghFluid\n" << nl
ghFluid.ext_set( index, volScalarField( word( "gh" ) , gFluid[ index ] & fluidRegions[ index ].C() ) )
ext_Info() << " Adding to ghfFluid\n" << nl
ghfFluid.ext_set( index, surfaceScalarField( word( "ghf" ), gFluid[ index ] & fluidRegions[ index ].Cf() ) )
p_rghFluid.ext_set( index, volScalarField( IOobject( word( "p_rgh" ),
fileName( runTime.timeName() ),
fluidRegions[ index ],
IOobject.MUST_READ,
IOobject.AUTO_WRITE ),
fluidRegions[ index ] ) )
# Force p_rgh to be consistent with p
p_rghFluid[ index ].ext_assign( thermoFluid[ index ].p() - rhoFluid[ index ] * ghFluid[ index ] )
from Foam import fvc
initialMassFluid[ index ] = fvc.domainIntegrate( rhoFluid[ index ] ).value()
ext_Info()<< " Adding to DpDtFluid\n" << nl
DpDtFluid.ext_set( index, volScalarField( word( "DpDt" ), fvc.DDt( surfaceScalarField( word( "phiU" ),
phiFluid[ index ] / fvc.interpolate( rhoFluid[ index ] ) ),
thermoFluid[ index ].p() ) ) )
return thermoFluid, rhoFluid, KFluid, UFluid, phiFluid, gFluid, turbulence, DpDtFluid, initialMassFluid, ghFluid, ghfFluid, p_rghFluid
def fun_pEqn(mesh, thermo, p, rho, psi, U, phi, DpDt, pMin, UEqn, mrfZones,
nNonOrthCorr, nCorr, oCorr, nOuterCorr, corr, transonic,
cumulativeContErr):
rho.ext_assign(thermo.rho())
rUA = 1.0 / UEqn.A()
U.ext_assign(rUA * UEqn.H())
if nCorr <= 1:
UEqn.clear()
pass
if transonic:
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
phid = surfaceScalarField(
word("phid"),
fvc.interpolate(psi) * ((fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, rho, U, phi)))
mrfZones.relativeFlux(fvc.interpolate(psi), phid)
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
pEqn = fvm.ddt(psi, p) + fvm.div(phid, p) - fvm.laplacian(
rho * rUA, p)
if oCorr == (nOuterCorr - 1) and (corr == nCorr -
1) and (nonOrth == nNonOrthCorr):
from Foam.OpenFOAM import word
pEqn.solve(mesh.solver(word("pFinal")))
pass
else:
pEqn.solve()
pass
if nonOrth == nNonOrthCorr:
phi == pEqn.flux()
pass
else:
from Foam import fvc
phi.ext_assign(
fvc.interpolate(rho) * ((fvc.interpolate(U) & mesh.Sf())))
mrfZones.relativeFlux(fvc.interpolate(rho), phi)
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
# Pressure corrector
pEqn = fvm.ddt(psi, p) + fvc.div(phi) - fvm.laplacian(rho * rUA, p)
if oCorr == (nOuterCorr - 1) and corr == (
nCorr - 1) and nonOrth == nNonOrthCorr:
from Foam.OpenFOAM import word
pEqn.solve(mesh.solver(word("pFinal")))
pass
else:
pEqn.solve()
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi + pEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs(rho, thermo,
cumulativeContErr)
# Explicitly relax pressure for momentum corrector
p.relax()
rho.ext_assign(thermo.rho())
rho.relax()
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "rho max/min : " << rho.ext_max().value(
) << " " << rho.ext_min().value() << nl
U.ext_assign(U - rUA * fvc.grad(p))
U.correctBoundaryConditions()
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
DpDt.ext_assign(
fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)),
p))
from Foam.finiteVolume import bound
bound(p, pMin)
pass
def main_standalone( argc, argv ):
from Foam.OpenFOAM.include import setRootCase
args = setRootCase( argc, argv )
from Foam.OpenFOAM.include import createTime
runTime = createTime( args )
from Foam.OpenFOAM.include import createMesh
mesh = createMesh( runTime )
thermodynamicProperties, R, Cv = readThermodynamicProperties( runTime, mesh )
p, T, U, psi, rho, rhoU, rhoE = _createFields( runTime, mesh, R, Cv )
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n" << nl
while runTime.loop() :
ext_Info() << "Time = " << runTime.timeName() << nl << nl
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import IOobject, word, fileName
from Foam import fvc
phiv = surfaceScalarField( IOobject( word( "phiv" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.NO_WRITE ),
fvc.interpolate( rhoU ) / fvc.interpolate( rho ) & mesh.Sf() )
CoNum = ( mesh.deltaCoeffs() * phiv.mag() / mesh.magSf() ).ext_max().value()*runTime.deltaT().value();
ext_Info() << "\nMax Courant Number = " << CoNum << nl
from Foam import fvm
from Foam.finiteVolume import solve
solve( fvm.ddt(rho) + fvm.div( phiv, rho ) )
p.ext_assign( rho / psi )
solve( fvm.ddt( rhoU ) + fvm.div( phiv, rhoU ) == - fvc.grad( p ) )
U == rhoU / rho
phiv2 = surfaceScalarField( IOobject( word( "phiv2" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.NO_WRITE ),
fvc.interpolate( rhoU ) / fvc.interpolate( rho ) & mesh.Sf() )
solve( fvm.ddt( rhoE ) + fvm.div( phiv, rhoE ) == - fvc.div( phiv2, p ) )
T.ext_assign( ( rhoE - 0.5 * rho * ( rhoU / rho ).magSqr() ) / Cv / rho )
psi.ext_assign( 1.0 / ( R * T ) )
runTime.write()
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
pass
ext_Info() << "End\n"
import os
return os.EX_OK
def pEqn( runTime, mesh, p, phi, psi, U, UEqn, g, rho, thermo, initialMass, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue ):
rho.ext_assign( thermo.rho() )
from Foam import fvc
rUA = 1.0 / UEqn().A()
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
from Foam import fvc
rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ) , fvc.interpolate( rho * rUA ) )
U.ext_assign( rUA * UEqn().H() )
UEqn.clear();
phi.ext_assign( fvc.interpolate( rho ) * ( fvc.interpolate( U ) & mesh.Sf() ) )
from Foam.finiteVolume import adjustPhi
closedVolume = adjustPhi( phi, U, p )
buoyancyPhi = rhorUAf * fvc.interpolate( rho ) * (g & mesh.Sf() )
phi.ext_assign( phi + buoyancyPhi )
from Foam import fvm
for nonOrth in range( nNonOrthCorr + 1):
pEqn = fvm.laplacian( rhorUAf, p ) == fvc.div( phi )
pEqn.setReference( pRefCell, pRefValue )
# retain the residual from the first iteration
if nonOrth == 0:
eqnResidual = pEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
pass
else:
pEqn.solve()
pass
if nonOrth == nNonOrthCorr:
# For closed-volume cases adjust the pressure and density levels
# to obey overall mass continuity
if closedVolume:
p.ext_assign( p + ( initialMass - fvc.domainIntegrate( psi * p ) ) / fvc.domainIntegrate( psi ) )
pass
# Calculate the conservative fluxes
phi.ext_assign( phi - pEqn.flux() )
# Explicitly relax pressure for momentum corrector
p.relax()
# Correct the momentum source with the pressure gradient flux
# calculated from the relaxed pressure
U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi - pEqn.flux() ) / rhorUAf ) )
U.correctBoundaryConditions()
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
rho.ext_assign( thermo.rho() )
rho.relax()
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "rho max/min : " << rho.ext_max().value() << " " << rho.ext_min().value() << nl
return eqnResidual, maxResidual, cumulativeContErr
def _pEqn(
rho,
thermo,
UEqn,
nNonOrthCorr,
psi,
U,
mesh,
phi,
p,
DpDt,
pMin,
corr,
cumulativeContErr,
nCorr,
oCorr,
nOuterCorr,
transonic,
):
rho.ext_assign(thermo.rho())
rUA = 1.0 / UEqn.A()
U.ext_assign(rUA * UEqn.H())
if nCorr <= 1:
UEqn.clear()
pass
from Foam import fvc, fvm
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
if transonic:
phid = surfaceScalarField(
word("phid"), fvc.interpolate(psi) * ((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))
)
for nonOrth in range(nNonOrthCorr + 1):
pEqn = fvm.ddt(psi, p) + fvm.div(phid, p) - fvm.laplacian(rho * rUA, p)
if oCorr == nOuterCorr - 1 and corr == nCorr - 1 and nonOrth == nNonOrthCorr:
pEqn.solve(mesh.solver(word("pFinal")))
pass
else:
pEqn.solve()
pass
if nonOrth == nNonOrthCorr:
phi == pEqn.flux()
pass
pass
pass
else:
phi.ext_assign(fvc.interpolate(rho) * ((fvc.interpolate(U) & mesh.Sf())))
for nonOrth in range(nNonOrthCorr + 1):
# Pressure corrector
pEqn = fvm.ddt(psi, p) + fvc.div(phi) - fvm.laplacian(rho * rUA, p)
if oCorr == nOuterCorr - 1 and corr == nCorr - 1 and nonOrth == nNonOrthCorr:
pEqn.solve(mesh.solver(word("pFinal")))
pass
else:
pEqn.solve()
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi + pEqn.flux())
pass
pass
pass
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs
cumulativeContErr = compressibleContinuityErrs(rho, thermo, cumulativeContErr)
p.relax()
rho.ext_assign(thermo.rho())
rho.relax()
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "rho max/min : " << rho.ext_max().value() << " " << rho.ext_min().value() << nl
U.ext_assign(U - rUA * fvc.grad(p))
U.correctBoundaryConditions()
DpDt.ext_assign(fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p))
from Foam.finiteVolume import bound
bound(p, pMin)
return cumulativeContErr
def main_standalone(argc, argv):
from Foam.OpenFOAM.include import setRootCase
args = setRootCase(argc, argv)
from Foam.OpenFOAM.include import createTime
runTime = createTime(args)
from Foam.OpenFOAM.include import createMesh
mesh = createMesh(runTime)
thermodynamicProperties, R, Cv, Cp, gamma, Pr = readThermodynamicProperties(
runTime, mesh)
p, T, psi, pbf, rhoBoundaryTypes, rho, U, Ubf, rhoUboundaryTypes, \
rhoU, Tbf, rhoEboundaryTypes, rhoE, phi, phiv, rhoU, fields, magRhoU, H = _createFields( runTime, mesh, R, Cv )
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n" << nl
while runTime.loop():
ext_Info() << "Time = " << runTime.value() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readPISOControls
piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls(
mesh)
from Foam.OpenFOAM import readScalar, word
HbyAblend = readScalar(piso.lookup(word("HbyAblend")))
from Foam.finiteVolume.cfdTools.general.include import readTimeControls
adjustTimeStep, maxCo, maxDeltaT = readTimeControls(runTime)
CoNum = (mesh.deltaCoeffs() * phiv.mag() /
mesh.magSf()).ext_max().value() * runTime.deltaT().value()
ext_Info() << "Max Courant Number = " << CoNum << nl
from Foam.finiteVolume.cfdTools.general.include import setDeltaT
runTime = setDeltaT(runTime, adjustTimeStep, maxCo, maxDeltaT, CoNum)
for outerCorr in range(nOuterCorr):
magRhoU.ext_assign(rhoU.mag())
H.ext_assign((rhoE + p) / rho)
from Foam.fv import multivariateGaussConvectionScheme_scalar
mvConvection = multivariateGaussConvectionScheme_scalar(
mesh, fields, phiv, mesh.divScheme(word("div(phiv,rhoUH)")))
from Foam.finiteVolume import solve
from Foam import fvm
solve(fvm.ddt(rho) + mvConvection.fvmDiv(phiv, rho))
tmp = mvConvection.interpolationScheme()()(magRhoU)
rhoUWeights = tmp.ext_weights(magRhoU)
from Foam.finiteVolume import weighted_vector
rhoUScheme = weighted_vector(rhoUWeights)
from Foam import fv, fvc
rhoUEqn = fvm.ddt(rhoU) + fv.gaussConvectionScheme_vector(
mesh, phiv, rhoUScheme).fvmDiv(phiv, rhoU)
solve(rhoUEqn == -fvc.grad(p))
solve(
fvm.ddt(rhoE) + mvConvection.fvmDiv(phiv, rhoE) ==
-mvConvection.fvcDiv(phiv, p))
T.ext_assign((rhoE - 0.5 * rho * (rhoU / rho).magSqr()) / Cv / rho)
psi.ext_assign(1.0 / (R * T))
p.ext_assign(rho / psi)
for corr in range(nCorr):
rrhoUA = 1.0 / rhoUEqn.A()
from Foam.finiteVolume import surfaceScalarField
rrhoUAf = surfaceScalarField(word("rrhoUAf"),
fvc.interpolate(rrhoUA))
HbyA = rrhoUA * rhoUEqn.H()
from Foam.finiteVolume import LimitedScheme_vector_MUSCLLimiter_NVDTVD_limitFuncs_magSqr
from Foam.OpenFOAM import IStringStream, word
HbyAWeights = HbyAblend * mesh.weights() + ( 1.0 - HbyAblend ) * \
LimitedScheme_vector_MUSCLLimiter_NVDTVD_limitFuncs_magSqr( mesh, phi, IStringStream( "HbyA" )() ).weights( HbyA )
from Foam.finiteVolume import surfaceInterpolationScheme_vector
phi.ext_assign( ( surfaceInterpolationScheme_vector.ext_interpolate(HbyA, HbyAWeights) & mesh.Sf() ) \
+ HbyAblend * fvc.ddtPhiCorr( rrhoUA, rho, rhoU, phi ) )
p.ext_boundaryField().updateCoeffs()
phiGradp = rrhoUAf * mesh.magSf() * fvc.snGrad(p)
phi.ext_assign(phi - phiGradp)
resetPhiPatches(phi, rhoU, mesh)
rhof = mvConvection.interpolationScheme()()(rho).interpolate(
rho)
phiv.ext_assign(phi / rhof)
pEqn = fvm.ddt(psi, p) + mvConvection.fvcDiv(
phiv, rho) + fvc.div(phiGradp) - fvm.laplacian(rrhoUAf, p)
pEqn.solve()
phi.ext_assign(phi + phiGradp + pEqn.flux())
rho.ext_assign(psi * p)
rhof.ext_assign(
mvConvection.interpolationScheme()()(rho).interpolate(rho))
phiv.ext_assign(phi / rhof)
rhoU.ext_assign(HbyA - rrhoUA * fvc.grad(p))
rhoU.correctBoundaryConditions()
pass
pass
U.ext_assign(rhoU / rho)
runTime.write()
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
pass
ext_Info() << "End\n"
import os
return os.EX_OK
def main_standalone(argc, argv):
from Foam.OpenFOAM.include import setRootCase
args = setRootCase(argc, argv)
from Foam.OpenFOAM.include import createTime
runTime = createTime(args)
from Foam.OpenFOAM.include import createMesh
mesh = createMesh(runTime)
thermo, p, h, psi, rho, U, phi, turbulence, DpDt = createFields(
runTime, mesh)
from Foam.finiteVolume.cfdTools.general.include import initContinuityErrs
cumulativeContErr = initContinuityErrs()
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n" << nl
runTime.increment()
while not runTime.end():
ext_Info() << "Time = " << runTime.timeName() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readPISOControls
piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr, ddtPhiCorr = readPISOControls(
mesh)
from Foam.finiteVolume.cfdTools.compressible import compressibleCourantNo
CoNum, meanCoNum = compressibleCourantNo(mesh, phi, rho, runTime)
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
UEqn = _UEqn(U, rho, phi, turbulence, p)
_hEqn(rho, h, phi, turbulence, DpDt, thermo)
# -------PISO loop
for corr in range(nCorr):
cumulativeContErr = _pEqn(rho, thermo, UEqn, nNonOrthCorr, psi, U,
mesh, phi, p, cumulativeContErr)
pass
from Foam import fvc
from Foam.finiteVolume import surfaceScalarField
from Foam.OpenFOAM import word
DpDt = fvc.DDt(
surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p)
turbulence.correct()
rho.ext_assign(psi * p)
runTime.write()
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
runTime.increment()
pass
ext_Info() << "End\n"
import os
return os.EX_OK
def fun_pEqn( i, mesh, p, rho, turb, thermo, thermoFluid, K, UEqn, U, phi, psi, DpDt, initialMass, p_rgh, gh, ghf, \
nNonOrthCorr, oCorr, nOuterCorr, corr, nCorr, cumulativeContErr ) :
closedVolume = p_rgh.needReference()
rho.ext_assign(thermo.rho())
rUA = 1.0 / UEqn.A()
from Foam import fvc
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
rhorUAf = surfaceScalarField(word("(rho*(1|A(U)))"),
fvc.interpolate(rho * rUA))
U.ext_assign(rUA * UEqn.H())
from Foam import fvc
phiU = (fvc.interpolate(rho) * (
(fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi)))
phi.ext_assign(phiU - rhorUAf * ghf * fvc.snGrad(rho) * mesh.magSf())
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
p_rghEqn = (fvm.ddt(psi, p_rgh) + fvc.ddt(psi, rho) * gh +
fvc.div(phi) - fvm.laplacian(rhorUAf, p_rgh))
p_rghEqn.solve(
mesh.solver(
p_rgh.select((oCorr == nOuterCorr - 1 and corr == (nCorr - 1)
and nonOrth == nNonOrthCorr))))
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi + p_rghEqn.flux())
pass
pass
# Correct velocity field
U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rhorUAf))
U.correctBoundaryConditions()
p.ext_assign(p_rgh + rho * gh)
#Update pressure substantive derivative
DpDt.ext_assign(
fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)),
p))
# Solve continuity
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
# Update continuity errors
cumulativeContErr = compressibleContinuityErrors(i, mesh, rho, thermo,
cumulativeContErr)
# For closed-volume cases adjust the pressure and density levels
# to obey overall mass continuity
if closedVolume:
p.ext_assign(p + (initialMass - fvc.domainIntegrate(psi * p)) /
fvc.domainIntegrate(psi))
rho.ext_assign(thermo.rho())
p_rgh.ext_assign(p - rho * gh)
pass
#Update thermal conductivity
K.ext_assign(thermoFluid[i].Cp() * turb.alphaEff())
return cumulativeContErr
def createFluidFields(fluidRegions, runTime):
# Load boundary conditions
from .. import derivedFvPatchFields
# Initialise fluid field pointer lists
from Foam.finiteVolume import PtrList_volScalarField
rhoFluid = PtrList_volScalarField(fluidRegions.size())
KFluid = PtrList_volScalarField(fluidRegions.size())
from Foam.finiteVolume import PtrList_volVectorField
UFluid = PtrList_volVectorField(fluidRegions.size())
from Foam.finiteVolume import PtrList_surfaceScalarField
phiFluid = PtrList_surfaceScalarField(fluidRegions.size())
DpDtFluid = PtrList_volScalarField(fluidRegions.size())
from Foam.OpenFOAM import PtrList_uniformDimensionedVectorField
gFluid = PtrList_uniformDimensionedVectorField(fluidRegions.size())
from Foam.compressible import PtrList_compressible_turbulenceModel
turbulence = PtrList_compressible_turbulenceModel(fluidRegions.size())
from Foam.thermophysicalModels import PtrList_basicPsiThermo
thermoFluid = PtrList_basicPsiThermo(fluidRegions.size())
p_rghFluid = PtrList_volScalarField(fluidRegions.size())
ghFluid = PtrList_volScalarField(fluidRegions.size())
ghfFluid = PtrList_surfaceScalarField(fluidRegions.size())
from Foam.OpenFOAM import scalarList
initialMassFluid = scalarList(fluidRegions.size())
#Populate fluid field pointer lists
for index in range(fluidRegions.size()):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "*** Reading fluid mesh thermophysical properties for region " \
<< fluidRegions[ index ].name() << nl << nl
ext_Info() << " Adding to thermoFluid\n" << nl
from Foam.thermophysicalModels import autoPtr_basicPsiThermo, basicPsiThermo
thermo = basicPsiThermo.New(fluidRegions[index])
thermoFluid.ext_set(index, thermo)
ext_Info() << " Adding to rhoFluid\n" << nl
from Foam.OpenFOAM import word, fileName, IOobject
from Foam.finiteVolume import volScalarField
rhoFluid.ext_set(
index,
volScalarField(
IOobject(word("rho"), fileName(runTime.timeName()),
fluidRegions[index], IOobject.NO_READ,
IOobject.AUTO_WRITE), thermoFluid[index].rho()))
ext_Info() << " Adding to KFluid\n" << nl
KFluid.ext_set(
index,
volScalarField(
IOobject(word("K"), fileName(runTime.timeName()),
fluidRegions[index], IOobject.NO_READ,
IOobject.NO_WRITE),
thermoFluid[index].Cp().ptr() * thermoFluid[index].alpha()))
ext_Info() << " Adding to UFluid\n" << nl
from Foam.finiteVolume import volVectorField
UFluid.ext_set(
index,
volVectorField(
IOobject(word("U"), fileName(runTime.timeName()),
fluidRegions[index], IOobject.MUST_READ,
IOobject.AUTO_WRITE), fluidRegions[index]))
ext_Info() << " Adding to phiFluid\n" << nl
from Foam.finiteVolume import surfaceScalarField
from Foam.finiteVolume import linearInterpolate
phiFluid.ext_set(
index,
surfaceScalarField(
IOobject(word("phi"), fileName(runTime.timeName()),
fluidRegions[index], IOobject.READ_IF_PRESENT,
IOobject.AUTO_WRITE),
linearInterpolate(rhoFluid[index] * UFluid[index])
& fluidRegions[index].Sf()))
ext_Info() << " Adding to gFluid\n" << nl
from Foam.OpenFOAM import uniformDimensionedVectorField
gFluid.ext_set(
index,
uniformDimensionedVectorField(
IOobject(word("g"), fileName(runTime.constant()),
fluidRegions[index], IOobject.MUST_READ,
IOobject.NO_WRITE)))
ext_Info() << " Adding to turbulence\n" << nl
from Foam import compressible
turbulence.ext_set(
index,
compressible.turbulenceModel.New(rhoFluid[index], UFluid[index],
phiFluid[index],
thermoFluid[index]))
ext_Info() << " Adding to ghFluid\n" << nl
ghFluid.ext_set(
index,
volScalarField(word("gh"),
gFluid[index] & fluidRegions[index].C()))
ext_Info() << " Adding to ghfFluid\n" << nl
ghfFluid.ext_set(
index,
surfaceScalarField(word("ghf"),
gFluid[index] & fluidRegions[index].Cf()))
p_rghFluid.ext_set(
index,
volScalarField(
IOobject(word("p_rgh"), fileName(runTime.timeName()),
fluidRegions[index], IOobject.MUST_READ,
IOobject.AUTO_WRITE), fluidRegions[index]))
# Force p_rgh to be consistent with p
p_rghFluid[index].ext_assign(thermoFluid[index].p() -
rhoFluid[index] * ghFluid[index])
from Foam import fvc
initialMassFluid[index] = fvc.domainIntegrate(rhoFluid[index]).value()
ext_Info() << " Adding to DpDtFluid\n" << nl
DpDtFluid.ext_set(
index,
volScalarField(
word("DpDt"),
fvc.DDt(
surfaceScalarField(
word("phiU"),
phiFluid[index] / fvc.interpolate(rhoFluid[index])),
thermoFluid[index].p())))
return thermoFluid, rhoFluid, KFluid, UFluid, phiFluid, gFluid, turbulence, DpDtFluid, initialMassFluid, ghFluid, ghfFluid, p_rghFluid