def fun_pEqn( mesh, p, U, trTU, trAU, UEqn, phi, runTime, pressureImplicitPorosity, nNonOrthCorr, \
eqnResidual, maxResidual, cumulativeContErr, pRefCell, pRefValue, ):
if pressureImplicitPorosity:
U.ext_assign(trTU & UEqn.H())
pass
else:
U.ext_assign(trAU * UEqn.H())
pass
UEqn.clear()
from Foam import fvc, fvm
phi.ext_assign(fvc.interpolate(U) & mesh.Sf())
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
for nonOrth in range(nNonOrthCorr + 1):
tpEqn = None
if pressureImplicitPorosity:
tpEqn = (fvm.laplacian(trTU, p) == fvc.div(phi))
pass
else:
tpEqn = (fvm.laplacian(trAU, p) == fvc.div(phi))
pass
tpEqn.setReference(pRefCell, pRefValue)
# retain the residual from the first iteration
if nonOrth == 0:
eqnResidual = tpEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
pass
else:
tpEqn.solve()
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi - tpEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
# Explicitly relax pressure for momentum corrector
p.relax()
if pressureImplicitPorosity:
U.ext_assign(U - (trTU & fvc.grad(p)))
else:
U.ext_assign(U - (trAU * fvc.grad(p)))
pass
U.correctBoundaryConditions()
return eqnResidual, maxResidual
def fun_pEqn( mesh, p, U, trTU, trAU, UEqn, phi, runTime, pressureImplicitPorosity, nNonOrthCorr, \
eqnResidual, maxResidual, cumulativeContErr, pRefCell, pRefValue, ):
if pressureImplicitPorosity :
U.ext_assign( trTU & UEqn.H() )
pass
else:
U.ext_assign( trAU * UEqn.H() )
pass
UEqn.clear()
from Foam import fvc, fvm
phi.ext_assign( fvc.interpolate( U ) & mesh.Sf() )
from Foam.finiteVolume import adjustPhi
adjustPhi( phi, U, p )
for nonOrth in range( nNonOrthCorr + 1 ) :
tpEqn = None
if pressureImplicitPorosity :
tpEqn = ( fvm.laplacian( trTU, p ) == fvc.div( phi ) )
pass
else:
tpEqn = ( fvm.laplacian( trAU, p ) == fvc.div( phi ) )
pass
tpEqn.setReference( pRefCell, pRefValue )
# retain the residual from the first iteration
if nonOrth == 0 :
eqnResidual = tpEqn.solve().initialResidual()
maxResidual = max( eqnResidual, maxResidual )
pass
else:
tpEqn.solve()
pass
if nonOrth == nNonOrthCorr :
phi.ext_assign( phi - tpEqn.flux() )
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
# Explicitly relax pressure for momentum corrector
p.relax()
if pressureImplicitPorosity :
U.ext_assign( U - ( trTU & fvc.grad( p ) ) )
else:
U.ext_assign( U - ( trAU * fvc.grad( p ) ) )
pass
U.correctBoundaryConditions()
return eqnResidual, maxResidual
def _hEqn( phi, h, turbulence, rho, p, thermo, eqnResidual, maxResidual ):
from Foam import fvc, fvm
hEqn = fvm.div( phi, h ) - fvm.Sp( fvc.div( phi ), h ) - fvm.laplacian( turbulence.alphaEff(), h ) \
== fvc.div( phi / fvc.interpolate( rho ) * fvc.interpolate( p ) ) - p * fvc.div( phi / fvc.interpolate( rho ) )
hEqn.relax()
eqnResidual = hEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
thermo.correct()
return hEqn, eqnResidual, maxResidual
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 step(self, getPISOControls):
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Time = " << self.runTime.timeName() << nl << nl
piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = getPISOControls(self.mesh)
from Foam.finiteVolume.cfdTools.incompressible import CourantNo
CoNum, meanCoNum = CourantNo(self.mesh, self.phi, self.runTime)
from Foam import fvm
UEqn = fvm.ddt(self.U) + fvm.div(self.phi, self.U) - fvm.laplacian(self.nu, self.U)
from Foam import fvc
from Foam.finiteVolume import solve
solve(UEqn == -fvc.grad(self.p))
# --- PISO loop
for corr in range(nCorr):
rUA = 1.0 / UEqn.A()
self.U.ext_assign(rUA * UEqn.H())
self.phi.ext_assign((fvc.interpolate(self.U) & self.mesh.Sf()) + fvc.ddtPhiCorr(rUA, self.U, self.phi))
from Foam.finiteVolume import adjustPhi
adjustPhi(self.phi, self.U, self.p)
for nonOrth in range(nNonOrthCorr + 1):
pEqn = fvm.laplacian(rUA, self.p) == fvc.div(self.phi)
pEqn.setReference(self.pRefCell, self.pRefValue)
pEqn.solve()
if nonOrth == nNonOrthCorr:
self.phi.ext_assign(self.phi - pEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(self.mesh, self.phi, self.runTime, self.cumulativeContErr)
self.U.ext_assign(self.U - rUA * fvc.grad(self.p))
self.U.correctBoundaryConditions()
pass
self.runTime.write()
ext_Info() << "ExecutionTime = " << self.runTime.elapsedCpuTime() << " s" << " ClockTime = " << self.runTime.elapsedClockTime() << " s" << nl << nl
self.runTime += self.runTime.deltaT()
return self.runTime.value()
def fun_pEqn( runTime, thermo, UEqn, U, phi, rho, gh, pd, p, initialMass, mesh, pRef, nNonOrthCorr, \
pdRefCell, pdRefValue, eqnResidual, maxResidual, cumulativeContErr ):
rUA = 1.0/UEqn.A()
U.ext_assign( rUA * UEqn().H() )
UEqn.clear()
from Foam import fvc
phi.ext_assign( fvc.interpolate( rho )*(fvc.interpolate(U) & mesh.Sf()) )
from Foam.finiteVolume import adjustPhi
closedVolume = adjustPhi(phi, U, p)
phi.ext_assign( phi - fvc.interpolate( rho *gh * rUA ) * fvc.snGrad( rho ) * mesh.magSf() )
from Foam import fvm
for nonOrth in range( nNonOrthCorr + 1):
pdEqn = ( fvm.laplacian( rho * rUA, pd ) == fvc.div(phi) )
pdEqn.setReference(pdRefCell, pdRefValue)
# retain the residual from the first iteration
if nonOrth == 0:
eqnResidual = pdEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
pass
else:
pdEqn.solve()
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi - pdEqn.flux() )
pass
pass
from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs
cumulativeContErr = ContinuityErrs( phi, runTime, mesh, cumulativeContErr )
# Explicitly relax pressure for momentum corrector
pd.relax()
p.ext_assign( pd + rho * gh + pRef )
U.ext_assign( U- rUA * ( fvc.grad( pd ) + fvc.grad( rho ) * gh ) )
U.correctBoundaryConditions()
# For closed-volume cases adjust the pressure and density levels
# to obey overall mass continuity
if closedVolume:
p.ext_assign( p + ( initialMass - fvc.domainIntegrate( thermo.psi() * p ) ) / fvc.domainIntegrate( thermo.psi() ) )
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( 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 main_standalone( argc, argv ):
from Foam.OpenFOAM import argList, word
argList.validOptions.fget().insert( word( "writep" ), "" )
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 )
p, U, phi, pRefCell, pRefValue = _createFields( runTime, mesh )
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << nl << "Calculating potential flow" << nl
from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls( mesh )
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
from Foam.OpenFOAM import dimensionedScalar, word, dimTime, dimensionSet
from Foam import fvc, fvm
for nonOrth in range( nNonOrthCorr + 1):
pEqn = fvm.laplacian( dimensionedScalar( word( "1" ), dimTime / p.dimensions() * dimensionSet( 0.0, 2.0, -2.0, 0.0, 0.0 ), 1.0 ), p ) == fvc.div( phi )
pEqn.setReference( pRefCell, pRefValue )
pEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi - pEqn.flux() )
pass
pass
ext_Info() << "continuity error = " << fvc.div( phi ).mag().weightedAverage( mesh.V() ).value() << nl
U.ext_assign( fvc.reconstruct( phi ) )
U.correctBoundaryConditions()
ext_Info() << "Interpolated U error = " << ( ( ( fvc.interpolate( U ) & mesh.Sf() ) - phi ).sqr().sum().sqrt() /mesh.magSf().sum() ).value() << nl
# Force the write
U.write()
phi.write()
if args.optionFound( word( "writep" ) ):
p.write()
pass
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
ext_Info() << "End\n" << nl
import os
return os.EX_OK
def _eEqn( rho, e, phi, turbulence, p, thermo ):
from Foam import fvm, fvc
from Foam.finiteVolume import solve
solve( fvm.ddt( rho, e ) + fvm.div( phi, e ) - fvm.laplacian( turbulence.alphaEff(), e )
== - p * fvc.div( phi / fvc.interpolate( rho ) ) )
thermo.correct()
pass
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(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(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_hEqn( turbulence, phi, h, rho, radiation, p, thermo, eqnResidual, maxResidual ):
from Foam import fvc, fvm
left_exp = fvm.div( phi, h ) - fvm.Sp( fvc.div( phi ), h ) - fvm.laplacian( turbulence.alphaEff(), h )
right_exp = fvc.div( phi/fvc.interpolate( rho )*fvc.interpolate( p ) ) - p*fvc.div( phi/fvc.interpolate( rho ) ) + radiation.Sh( thermo() )
hEqn = (left_exp == right_exp )
hEqn.relax()
eqnResidual = hEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
thermo.correct()
radiation.correct()
return hEqn, eqnResidual, maxResidual
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 _UEqn(phi, U, p, turbulence, pZones, pressureImplicitPorosity, nUCorr, eqnResidual, maxResidual):
from Foam import fvm, fvc
# Construct the Momentum equation
# The initial C++ expression does not work properly, because of
# 1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
# 2. the order of expression arguments computation differs with C++
# UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff(U) + (fvm.div(phi, U) - fvm.Sp(fvc.div(phi), U))
UEqn.relax()
# Include the porous media resistance and solve the momentum equation
# either implicit in the tensorial resistance or transport using by
# including the spherical part of the resistance in the momentum diagonal
trAU = None
trTU = None
if pressureImplicitPorosity:
from Foam.OpenFOAM import sphericalTensor, tensor
tTU = tensor(sphericalTensor.I) * UEqn.A()
pZones.addResistance(UEqn, tTU)
trTU = tTU.inv()
from Foam.OpenFOAM import word
trTU.rename(word("rAU"))
for UCorr in range(nUCorr):
U.ext_assign(trTU & (UEqn.H() - fvc.grad(p)))
pass
U.correctBoundaryConditions()
else:
pZones.addResistance(UEqn)
from Foam.finiteVolume import solve
eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
trAU = 1.0 / UEqn.A()
from Foam.OpenFOAM import word
trAU.rename(word("rAU"))
pass
return UEqn, trTU, trAU, eqnResidual, maxResidual
def fun_hEqn( turbulence, phi, h, rho, radiation, p, thermo, eqnResidual, maxResidual ):
from Foam import fvc, fvm
left_exp = fvm.div( phi, h ) - fvm.Sp( fvc.div( phi ), h ) - fvm.laplacian( turbulence.alphaEff(), h )
right_exp = fvc.div( phi/fvc.interpolate( rho )*fvc.interpolate( p ) ) - p*fvc.div( phi/fvc.interpolate( rho ) ) + radiation.Sh( thermo() )
hEqn = (left_exp == right_exp )
hEqn.relax()
eqnResidual = hEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
thermo.correct()
radiation.correct()
return hEqn, eqnResidual, maxResidual
def _UEqn(phi, U, p, turbulence, pZones, pressureImplicitPorosity, nUCorr,
eqnResidual, maxResidual):
from Foam import fvm, fvc
# Construct the Momentum equation
# The initial C++ expression does not work properly, because of
# 1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
# 2. the order of expression arguments computation differs with C++
#UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff(U) + (fvm.div(phi, U) -
fvm.Sp(fvc.div(phi), U))
UEqn.relax()
# Include the porous media resistance and solve the momentum equation
# either implicit in the tensorial resistance or transport using by
# including the spherical part of the resistance in the momentum diagonal
trAU = None
trTU = None
if pressureImplicitPorosity:
from Foam.OpenFOAM import sphericalTensor, tensor
tTU = tensor(sphericalTensor.I) * UEqn.A()
pZones.addResistance(UEqn, tTU)
trTU = tTU.inv()
from Foam.OpenFOAM import word
trTU.rename(word("rAU"))
gradp = fvc.grad(p)
for UCorr in range(nUCorr):
U.ext_assign(trTU & (UEqn.H() - gradp))
pass
U.correctBoundaryConditions()
else:
pZones.addResistance(UEqn)
from Foam.finiteVolume import solve
eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
trAU = 1.0 / UEqn.A()
from Foam.OpenFOAM import word
trAU.rename(word("rAU"))
pass
return UEqn, trTU, trAU, eqnResidual, maxResidual
def _hEqn(thermo, phi, h, turbulence, p, rho):
from Foam.finiteVolume import fvScalarMatrix
from Foam import fvc, fvm
left_expr = fvm.div(phi, h) - fvm.Sp(fvc.div(phi), h) - fvm.laplacian(turbulence.alphaEff(), h)
from Foam.OpenFOAM import word
right_expr = fvc.div(phi / fvc.interpolate(rho) * fvc.interpolate(p, word("div(U,p)"))) - p * fvc.div(
phi / fvc.interpolate(rho)
)
hEqn = left_expr == right_expr
hEqn.relax()
hEqn.solve()
thermo.correct()
return hEqn
def _eEqn(rho, e, phi, turbulence, p, thermo):
from Foam import fvm, fvc
from Foam.finiteVolume import solve
solve(
fvm.ddt(rho, e) + fvm.div(phi, e) -
fvm.laplacian(turbulence.alphaEff(), e) == -p *
fvc.div(phi / fvc.interpolate(rho)))
thermo.correct()
pass
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 _hEqn(thermo, phi, h, turbulence, p, rho, eqnResidual, maxResidual):
from Foam.finiteVolume import fvScalarMatrix
from Foam import fvc, fvm
left_expr = fvm.div(phi, h) - fvm.Sp(fvc.div(phi), h) - fvm.laplacian(
turbulence.alphaEff(), h)
from Foam.OpenFOAM import word
right_expr = fvc.div(phi / fvc.interpolate(rho) * fvc.interpolate(
p, word("div(U,p)"))) - p * fvc.div(phi / fvc.interpolate(rho))
hEqn = (left_expr == right_expr)
hEqn.relax()
eqnResidual = hEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
thermo.correct()
return hEqn, eqnResidual, maxResidual
def correctPhi(runTime, mesh, phi, pd, rho, U, cumulativeContErr, nNonOrthCorr, pdRefCell, pdRefValue):
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
from Foam.OpenFOAM import wordList
from Foam.finiteVolume import zeroGradientFvPatchScalarField
pcorrTypes = wordList(pd.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName)
from Foam.finiteVolume import fixedValueFvPatchScalarField
for i in range(pd.ext_boundaryField().size()):
if pd.ext_boundaryField()[i].fixesValue():
pcorrTypes[i] = fixedValueFvPatchScalarField.typeName
pass
pass
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName, dimensionedScalar
from Foam.finiteVolume import volScalarField
pcorr = volScalarField(
IOobject(word("pcorr"), fileName(runTime.timeName()), mesh, IOobject.NO_READ, IOobject.NO_WRITE),
mesh,
dimensionedScalar(word("pcorr"), pd.dimensions(), 0.0),
pcorrTypes,
)
from Foam.OpenFOAM import dimTime
rUAf = dimensionedScalar(word("(1|A(U))"), dimTime / rho.dimensions(), 1.0)
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, pcorr)
from Foam import fvc, fvm
for nonOrth in range(nNonOrthCorr + 1):
pcorrEqn = fvm.laplacian(rUAf, pcorr) == fvc.div(phi)
pcorrEqn.setReference(pdRefCell, pdRefValue)
pcorrEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi - pcorrEqn.flux())
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
pass
def Ueqn( mesh, phi, U, rho, p, g, turbulence, eqnResidual, maxResidual ):
from Foam import fvm, fvc
UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )
UEqn.relax()
from Foam.finiteVolume import solve
eqnResidual = solve( UEqn() == fvc.reconstruct( fvc.interpolate( rho )*( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) ).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
return UEqn, eqnResidual, maxResidual
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 fun_UEqn( phi, U, turbulence, pd, rho, gh, eqnResidual, maxResidual ):
from Foam import fvm, fvc
UEqn = fvm.div(phi, U) - fvm.Sp(fvc.div(phi), U)+ turbulence.divDevRhoReff(U)
UEqn.relax();
from Foam.finiteVolume import solve
eqnResidual = solve( UEqn == -fvc.grad( pd ) - fvc.grad( rho ) * gh ).initialResidual()
maxResidual = max(eqnResidual, maxResidual);
return UEqn, eqnResidual, maxResidual
def pEqn(
runTime, mesh, p, phi, U, UEqn, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue
):
p.ext_boundaryField().updateCoeffs()
AU = UEqn.A()
U.ext_assign(UEqn.H() / AU)
UEqn.clear()
from Foam import fvc
phi.ext_assign(fvc.interpolate(U) & mesh.Sf())
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
# Non-orthogonal pressure corrector loop
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm, fvc
pEqn = fvm.laplacian(1.0 / AU, 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:
phi.ext_assign(phi - pEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
# Explicitly relax pressure for momentum corrector
p.relax()
# Momentum corrector
U.ext_assign(U - fvc.grad(p) / AU)
U.correctBoundaryConditions()
return eqnResidual, maxResidual, cumulativeContErr
def _correctPhi(runTime, mesh, p, rAU, phi, nNonOrthCorr, pRefCell, pRefValue,
cumulativeContErr):
if mesh.changing():
for patchi in range(U.boundaryField().size()):
if U.boundaryField()[patchi].fixesValue():
U.boundaryField()[patchi].initEvaluate()
pass
pass
for patchi in range(U.boundaryField().size()):
if U.boundaryField()[patchi].fixesValue():
U.boundaryField()[patchi].evaluate()
phi.boundaryField()[patchi].ext_assign(
U.boundaryField()[patchi]
& mesh.Sf().boundaryField()[patchi])
pass
pass
pass
from Foam.OpenFOAM import wordList
from Foam.finiteVolume import zeroGradientFvPatchScalarField
pcorrTypes = wordList(p.ext_boundaryField().size(),
zeroGradientFvPatchScalarField.typeName)
from Foam.finiteVolume import fixedValueFvPatchScalarField
for i in range(p.ext_boundaryField().size()):
if p.ext_boundaryField()[i].fixesValue():
pcorrTypes[i] = fixedValueFvPatchScalarField.typeName
pass
pass
from Foam.finiteVolume import volScalarField
from Foam.OpenFOAM import IOobject, word, fileName, dimensionedScalar
pcorr = volScalarField(
IOobject(word("pcorr"), fileName(runTime.timeName()), mesh(),
IOobject.NO_READ, IOobject.NO_WRITE), mesh(),
dimensionedScalar(word("pcorr"), p.dimensions(), 0.0), pcorrTypes)
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm, fvc
pcorrEqn = (fvm.laplacian(rAU, pcorr) == fvc.div(phi))
pcorrEqn.setReference(pRefCell, pRefValue)
pcorrEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi - pcorrEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs
cumulativeContErr = ContinuityErrs(phi, runTime, mesh, cumulativeContErr)
return cumulativeContErr
def _correctPhi( runTime, mesh, p, rAU, phi, nNonOrthCorr, pRefCell, pRefValue, cumulativeContErr ):
if mesh.changing():
for patchi in range( U.boundaryField().size() ):
if U.boundaryField()[patchi].fixesValue():
U.boundaryField()[patchi].initEvaluate()
pass
pass
for patchi in range( U.boundaryField().size() ):
if U.boundaryField()[patchi].fixesValue():
U.boundaryField()[patchi].evaluate()
phi.boundaryField()[patchi].ext_assign( U.boundaryField()[patchi] & mesh.Sf().boundaryField()[patchi] )
pass
pass
pass
from Foam.OpenFOAM import wordList
from Foam.finiteVolume import zeroGradientFvPatchScalarField
pcorrTypes = wordList( p.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName )
from Foam.finiteVolume import fixedValueFvPatchScalarField
for i in range( p.ext_boundaryField().size() ):
if p.ext_boundaryField()[i].fixesValue():
pcorrTypes[i] = fixedValueFvPatchScalarField.typeName
pass
pass
from Foam.finiteVolume import volScalarField
from Foam.OpenFOAM import IOobject, word, fileName, dimensionedScalar
pcorr = volScalarField( IOobject( word( "pcorr" ),
fileName( runTime.timeName() ),
mesh(),
IOobject.NO_READ,
IOobject.NO_WRITE ),
mesh(),
dimensionedScalar( word( "pcorr" ), p.dimensions(), 0.0),
pcorrTypes )
for nonOrth in range( nNonOrthCorr + 1 ):
from Foam import fvm,fvc
pcorrEqn = ( fvm.laplacian( rAU, pcorr ) == fvc.div( phi ) )
pcorrEqn.setReference(pRefCell, pRefValue)
pcorrEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi - pcorrEqn.flux() )
pass
pass
from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs
cumulativeContErr = ContinuityErrs( phi, runTime, mesh, cumulativeContErr )
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 ContinuityErrs( phi, runTime, mesh, cumulativeContErr ):
from Foam import fvc
contErr = fvc.div(phi)
sumLocalContErr = runTime.deltaT().value() * contErr.mag().weightedAverage( mesh.V() ).value()
globalContErr = runTime.deltaT().value() * contErr.weightedAverage( mesh.V() ).value();
cumulativeContErr += globalContErr
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "time step continuity errors : sum local = " << sumLocalContErr << ", global = " << globalContErr \
<< ", cumulative = " << cumulativeContErr << nl
return cumulativeContErr
def fun_UEqn(phi, U, p, turbulence, mesh, g, rhok, eqnResidual, maxResidual):
from Foam import fvm, fvc
UEqn = fvm.div(phi, U) - fvm.Sp(fvc.div(phi), U) + turbulence.divDevReff(U)
UEqn.relax()
from Foam.finiteVolume import solve
eqnResidual = solve(UEqn == fvc.reconstruct((
fvc.interpolate(rhok) * (g & mesh.Sf()) -
fvc.snGrad(p) * mesh.magSf()))).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
return UEqn, eqnResidual, maxResidual
def ContinuityErrs( phi, runTime, mesh, cumulativeContErr ):
from Foam import fvc
contErr = fvc.div(phi)
sumLocalContErr = runTime.deltaT().value() * contErr.mag().weightedAverage( mesh.V() ).value()
globalContErr = runTime.deltaT().value() * contErr.weightedAverage( mesh.V() ).value();
cumulativeContErr += globalContErr
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "time step continuity errors : sum local = " << sumLocalContErr << ", global = " << globalContErr \
<< ", cumulative = " << cumulativeContErr << nl
return cumulativeContErr
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(runTime, mesh, p, phi, U, UEqn, eqnResidual, maxResidual,
nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue):
p.ext_boundaryField().updateCoeffs()
AU = UEqn.A()
U.ext_assign(UEqn.H() / AU)
UEqn.clear()
from Foam import fvc
phi.ext_assign(fvc.interpolate(U) & mesh.Sf())
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
# Non-orthogonal pressure corrector loop
for nonOrth in range(nNonOrthCorr + 1):
from Foam import fvm, fvc
pEqn = fvm.laplacian(1.0 / AU, 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):
phi.ext_assign(phi - pEqn.flux())
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
#Explicitly relax pressure for momentum corrector
p.relax()
#Momentum corrector
U.ext_assign(U - fvc.grad(p) / AU)
U.correctBoundaryConditions()
return eqnResidual, maxResidual, cumulativeContErr
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 correctPhi( runTime, mesh, phi, p, rho, U, cumulativeContErr, nNonOrthCorr, pRefCell, pRefValue ):
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
from Foam.OpenFOAM import wordList
from Foam.finiteVolume import zeroGradientFvPatchScalarField
pcorrTypes = wordList( p.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName )
from Foam.finiteVolume import fixedValueFvPatchScalarField
for i in range( p.ext_boundaryField().size() ):
if p.ext_boundaryField()[i].fixesValue():
pcorrTypes[i] = fixedValueFvPatchScalarField.typeName
pass
pass
from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName, dimensionedScalar
from Foam.finiteVolume import volScalarField
pcorr = volScalarField( IOobject( word( "pcorr" ),
fileName( runTime.timeName() ),
mesh,
IOobject.NO_READ,
IOobject.NO_WRITE ),
mesh,
dimensionedScalar( word( "pcorr" ), p.dimensions(), 0.0 ),
pcorrTypes )
from Foam.OpenFOAM import dimTime
rUAf = dimensionedScalar( word( "(1|A(U))" ), dimTime / rho.dimensions(), 1.0)
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, pcorr)
from Foam import fvc, fvm
for nonOrth in range( nNonOrthCorr + 1 ):
pcorrEqn = fvm.laplacian( rUAf, pcorr ) == fvc.div( phi )
pcorrEqn.setReference(pRefCell, pRefValue)
pcorrEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi - pcorrEqn.flux() )
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
pass
def pEqn(runTime, mesh, U, rUA, UEqn, phi, p, nCorr, nOuterCorr, nNonOrthCorr,
oCorr, corr, pRefCell, pRefValue, cumulativeContErr):
U.ext_assign(rUA * UEqn.H())
if (nCorr <= 1):
UEqn.clear()
pass
from Foam import fvc
phi.ext_assign((fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, U, phi))
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
# Non-orthogonal pressure corrector loop
for nonOrth in range(nNonOrthCorr + 1):
#Pressure corrector
from Foam import fvm
pEqn = fvm.laplacian(rUA, p) == fvc.div(phi)
pEqn.setReference(pRefCell, pRefValue)
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.incompressible import continuityErrs
cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr)
# Explicitly relax pressure for momentum corrector except for last corrector
if (oCorr != nOuterCorr - 1):
p.relax()
pass
U.ext_assign(U - rUA * fvc.grad(p))
U.correctBoundaryConditions()
return cumulativeContErr
def fun_TEqn( turbulence, phi, T, rhok, beta, TRef, Pr, Prt, eqnResidual, maxResidual ):
from Foam.OpenFOAM import word
from Foam.finiteVolume import volScalarField
kappaEff = volScalarField( word( "kappaEff" ),
turbulence.nu() / Pr + turbulence.ext_nut() / Prt )
from Foam import fvc, fvm
TEqn = fvm.div( phi, T ) - fvm.Sp( fvc.div( phi ), T ) - fvm.laplacian( kappaEff, T )
TEqn.relax()
eqnResidual = TEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
rhok.ext_assign( 1.0 - beta * ( T - TRef ) )
return TEqn, kappaEff
def _UEqn( phi, U, p, turbulence, eqnResidual, maxResidual ):
from Foam import fvm, fvc
# Solve the Momentum equation
# The initial C++ expression does not work properly, because of
# 1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
# 2. the order of expression arguments computation differs with C++
#UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff( U ) + ( fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) )
UEqn.relax()
from Foam.finiteVolume import solve
eqnResidual = solve( UEqn == -fvc.grad( p ) ).initialResidual()
maxResidual = max( eqnResidual, maxResidual )
return UEqn, eqnResidual, maxResidual
def continuityErrs( mesh, phi, runTime, cumulativeContErr ):
from Foam.OpenFOAM import Time
from Foam.finiteVolume import fvMesh
from Foam.finiteVolume import surfaceScalarField
from Foam import fvm, fvc
contErr = fvc.div( phi )
sumLocalContErr = runTime.deltaT().value() * contErr.mag().weightedAverage( mesh.V() ).value()
globalContErr = runTime.deltaT().value() * contErr.weightedAverage( mesh.V() ).value()
cumulativeContErr += globalContErr
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "time step continuity errors : sum local = " << sumLocalContErr \
<< ", global = " << globalContErr \
<< ", cumulative = " << cumulativeContErr << nl
return cumulativeContErr
def pEqn( runTime, mesh, U, rUA, UEqn, phi, p, nCorr, nOuterCorr, nNonOrthCorr, oCorr, corr, pRefCell, pRefValue, cumulativeContErr ):
U.ext_assign( rUA * UEqn.H() )
if ( nCorr <= 1 ):
UEqn.clear()
pass
from Foam import fvc
phi.ext_assign( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, U, phi ) )
from Foam.finiteVolume import adjustPhi
adjustPhi( phi, U, p )
# Non-orthogonal pressure corrector loop
for nonOrth in range( nNonOrthCorr + 1):
#Pressure corrector
from Foam import fvm
pEqn = fvm.laplacian( rUA, p ) == fvc.div( phi )
pEqn.setReference( pRefCell, pRefValue )
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.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
# Explicitly relax pressure for momentum corrector except for last corrector
if ( oCorr != nOuterCorr-1 ):
p.relax()
pass
U.ext_assign( U - rUA * fvc.grad( p ) )
U.correctBoundaryConditions()
return cumulativeContErr
def _UEqn(phi, U, p, turbulence, eqnResidual, maxResidual):
from Foam import fvm, fvc
# Solve the Momentum equation
# The initial C++ expression does not work properly, because of
# 1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
# 2. the order of expression arguments computation differs with C++
#UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff(U) + (fvm.div(phi, U) -
fvm.Sp(fvc.div(phi), U))
UEqn.relax()
from Foam.finiteVolume import solve
eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
return UEqn, eqnResidual, maxResidual
def alphaEqnsSubCycle( runTime, piso, mesh, phi, alpha1, alpha2, rho, rho1, rho2, rhoPhi, dgdt, interface, oCorr ):
from Foam.OpenFOAM import word,readLabel
nAlphaCorr = readLabel( piso.lookup( word( "nAlphaCorr" ) ) )
nAlphaSubCycles = readLabel( piso.lookup( word( "nAlphaSubCycles" ) ) )
from Foam.finiteVolume import surfaceScalarField
phic = ( phi / mesh.magSf() ).mag()
phic.ext_assign( ( interface.cAlpha() * phic ).ext_min( phic.ext_max() ) )
from Foam import fvc
divU = fvc.div( phi )
if nAlphaSubCycles > 1:
totalDeltaT = runTime.deltaT()
rhoPhiSum = 0.0 * rhoPhi
from Foam.finiteVolume import subCycle_volScalarField
alphaSubCycle = subCycle_volScalarField( alpha1, nAlphaSubCycles )
for item in alphaSubCycle:
alphaEqns( runTime, mesh, rho1, rho2, rhoPhi, phic, dgdt, divU, alpha1, alpha2, phi, interface, nAlphaCorr )
rhoPhiSum.ext_assign( rhoPhiSum + ( runTime.deltaT() / totalDeltaT ) * rhoPhi )
pass
# To make sure that variable in the local scope will be destroyed
# - during destruction of this variable it performs some important actions
# - there is a difference between C++ and Python memory management, namely
# if C++ automatically destroys stack variables when they exit the scope,
# Python relay its memory management of some "garbage collection" algorithm
# that do not provide predictable behavior on the "exit of scope"
del alphaSubCycle
rhoPhi.ext_assign( rhoPhiSum )
pass
else:
alphaEqns( runTime, mesh, rho1, rho2, rhoPhi, phic, dgdt, divU, alpha1, alpha2, phi, interface, nAlphaCorr )
pass
if oCorr == 0:
interface.correct()
pass
pass
def continuityErrs(mesh, phi, runTime, cumulativeContErr):
from Foam.OpenFOAM import Time
from Foam.finiteVolume import fvMesh
from Foam.finiteVolume import surfaceScalarField
from Foam import fvm, fvc
contErr = fvc.div(phi)
sumLocalContErr = runTime.deltaT().value() * contErr.mag().weightedAverage(
mesh.V()).value()
globalContErr = runTime.deltaT().value() * contErr.weightedAverage(
mesh.V()).value()
cumulativeContErr += globalContErr
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "time step continuity errors : sum local = " << sumLocalContErr \
<< ", global = " << globalContErr \
<< ", cumulative = " << cumulativeContErr << nl
return cumulativeContErr
def fun_TEqn(turbulence, phi, T, rhok, beta, TRef, Pr, Prt, eqnResidual,
maxResidual):
from Foam.OpenFOAM import word
from Foam.finiteVolume import volScalarField
kappaEff = volScalarField(
word("kappaEff"),
turbulence.nu() / Pr + turbulence.ext_nut() / Prt)
from Foam import fvc, fvm
TEqn = fvm.div(phi, T) - fvm.Sp(fvc.div(phi), T) - fvm.laplacian(
kappaEff, T)
TEqn.relax()
eqnResidual = TEqn.solve().initialResidual()
maxResidual = max(eqnResidual, maxResidual)
rhok.ext_assign(1.0 - beta * (T - TRef))
return TEqn, kappaEff
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 _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 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 rhoEqn(rho, phi):
from Foam import fvm, fvc
from Foam.finiteVolume import solve
solve(fvm.ddt(rho) + fvc.div(phi))
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 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.dynamicFvMesh import createDynamicFvMesh
mesh = createDynamicFvMesh(runTime)
from Foam.finiteVolume.cfdTools.general.include import readPIMPLEControls
pimple, nOuterCorr, nCorr, nNonOrthCorr, momentumPredictor, transonic = readPIMPLEControls(
mesh)
from Foam.finiteVolume.cfdTools.general.include import initContinuityErrs
cumulativeContErr = initContinuityErrs()
p, U, phi, laminarTransport, turbulence, rAU, pRefCell, pRefValue = _createFields(
runTime, mesh)
from Foam.finiteVolume.cfdTools.general.include import readTimeControls
adjustTimeStep, maxCo, maxDeltaT = readTimeControls(runTime)
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n" << nl
while runTime.run():
adjustTimeStep, maxCo, maxDeltaT, pimple, nOuterCorr, nCorr, nNonOrthCorr, \
momentumPredictor, transonic, correctPhi, checkMeshCourantNo = readControls( runTime, mesh )
from Foam.finiteVolume.cfdTools.general.include import CourantNo
CoNum, meanCoNum = CourantNo(mesh, phi, runTime)
# Make the fluxes absolute
from Foam import fvc
fvc.makeAbsolute(phi, U)
from Foam.finiteVolume.cfdTools.general.include import setDeltaT
runTime = setDeltaT(runTime, adjustTimeStep, maxCo, maxDeltaT, CoNum)
runTime.increment()
ext_Info() << "Time = " << runTime.timeName() << nl << nl
mesh.update()
if mesh.changing() and correctPhi:
cumulativeContErr = _correctPhi(runTime, mesh, p, rAU, phi,
nNonOrthCorr, pRefCell, pRefValue,
cumulativeContErr)
pass
# Make the fluxes relative to the mesh motion
fvc.makeRelative(phi, U)
if mesh.changing() and checkMeshCourantNo:
from Foam.dynamicFvMesh import meshCourantNo
meshCoNum, meanMeshCoNum = meshCourantNo(runTime, mesh, phi)
pass
from Foam import fvm
#PIMPLE loop
for ocorr in range(nOuterCorr):
if nOuterCorr != 1:
p.storePrevIter()
pass
UEqn = _UEqn(mesh, phi, U, p, turbulence, ocorr, nOuterCorr,
momentumPredictor)
# --- PISO loop
for corr in range(nCorr):
rAU.ext_assign(1.0 / UEqn.A())
U.ext_assign(rAU * UEqn.H())
phi.ext_assign(fvc.interpolate(U) & mesh.Sf())
if p.needReference():
fvc.makeRelative(phi, U)
adjustPhi(phi, U, p)
fvc.makeAbsolute(phi, U)
pass
for nonOrth in range(nNonOrthCorr + 1):
pEqn = (fvm.laplacian(rAU, p) == fvc.div(phi))
pEqn.setReference(pRefCell, pRefValue)
if ocorr == nOuterCorr - 1 and 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
from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs
cumulativeContErr = ContinuityErrs(phi, runTime, mesh,
cumulativeContErr)
# Explicitly relax pressure for momentum corrector
if ocorr != nOuterCorr - 1:
p.relax()
pass
# Make the fluxes relative to the mesh motion
fvc.makeRelative(phi, U)
U.ext_assign(U - rAU * fvc.grad(p))
U.correctBoundaryConditions()
pass
pass
turbulence.correct()
runTime.write()
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
pass
ext_Info() << "End\n" << nl
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 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 createMeshNoClear
mesh = createMeshNoClear( runTime )
p, U, phi, fluid, pRefCell, pRefValue = _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
while runTime.loop() :
ext_Info() << "Time = " << runTime.timeName() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readPISOControls
piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls( mesh )
from Foam.finiteVolume.cfdTools.incompressible import CourantNo
CoNum, meanCoNum, velMag = CourantNo( mesh, phi, runTime )
fluid.correct()
from Foam import fvm, fvc
UEqn = fvm.ddt( U ) + fvm.div( phi, U ) - fvm.laplacian( fluid.ext_nu(), U )
from Foam.finiteVolume import solve
solve( UEqn == -fvc.grad( p ) )
# --- PISO loop
for corr in range( nCorr ):
rUA = 1.0 / UEqn.A()
U.ext_assign( rUA * UEqn.H() )
phi.ext_assign( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, U, phi ) )
from Foam.finiteVolume import adjustPhi
adjustPhi(phi, U, p)
for nonOrth in range( nNonOrthCorr + 1):
pEqn = ( fvm.laplacian( rUA, p ) == fvc.div( phi ) )
pEqn.setReference( pRefCell, pRefValue )
pEqn.solve()
if nonOrth == nNonOrthCorr:
phi.ext_assign( phi - pEqn.flux() )
pass
pass
from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )
U.ext_assign( U - rUA * fvc.grad( p ) )
U.correctBoundaryConditions()
pass
runTime.write()
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
pass
ext_Info() << "End\n" << nl
import os
return os.EX_OK
