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, 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 _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_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 _hEqn( rho, h, phi, turbulence, DpDt, thermo ):
from Foam import fvm
from Foam.finiteVolume import solve
solve( fvm.ddt(rho, h) + fvm.div( phi, h ) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt )
thermo.correct()
pass
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 Ueqn(mesh, phi, U, p, turbulence, oCorr, nOuterCorr, momentumPredictor):
from Foam import fvm, fvc
UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff(U)
if (oCorr == nOuterCorr - 1):
UEqn.relax(1.0)
pass
else:
UEqn.relax()
pass
rUA = 1.0 / UEqn.A()
from Foam.finiteVolume import solve
if momentumPredictor:
if (oCorr == nOuterCorr - 1):
from Foam.OpenFOAM import word
solve(UEqn == -fvc.grad(p), mesh.solver(word("UFinal")))
pass
else:
solve(UEqn == -fvc.grad(p))
pass
else:
U.ext_assign(rUA * (UEqn.H() - fvc.grad(p)))
U.correctBoundaryConditions()
pass
return UEqn, rUA
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 Ueqn( mesh, phi, U, p, turbulence, oCorr, nOuterCorr, momentumPredictor ):
from Foam import fvm, fvc
UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff(U)
if ( oCorr == nOuterCorr - 1 ):
UEqn.relax( 1.0 )
pass
else:
UEqn.relax()
pass
rUA = 1.0/UEqn.A()
from Foam.finiteVolume import solve
if momentumPredictor:
if ( oCorr == nOuterCorr - 1 ):
from Foam.OpenFOAM import word
solve( UEqn == -fvc.grad(p), mesh.solver( word( "UFinal" ) ) )
pass
else:
solve( UEqn == -fvc.grad(p))
pass
else:
U.ext_assign( rUA * ( UEqn.H() - fvc.grad( p ) ) )
U.correctBoundaryConditions()
pass
return UEqn, rUA
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 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 _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 _UEqn(U, rho, phi, turbulence, p):
from Foam import fvm
UEqn = fvm.ddt(rho, U) + fvm.div(phi, U) + turbulence.divDevRhoReff(U)
from Foam import fvc
from Foam.finiteVolume import solve
solve(UEqn == -fvc.grad(p))
return UEqn
def solveSolid(i, rhosCps, Ks, Ts, nNonOrthCorr):
for nonOrth in range(nNonOrthCorr + 1):
from Foam.finiteVolume import solve
from Foam import fvm
solve(fvm.ddt(rhosCps[i], Ts[i]) - fvm.laplacian(Ks[i], Ts[i]))
pass
pass
def _UEqn( U, rho, phi, turbulence, p ):
from Foam import fvm
UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
from Foam import fvc
from Foam.finiteVolume import solve
solve( UEqn == -fvc.grad( p ) )
return UEqn
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 solveSolid( i, rhosCps, Ks, Ts, nNonOrthCorr ):
for nonOrth in range( nNonOrthCorr +1 ):
from Foam.finiteVolume import solve
from Foam import fvm
solve( fvm.ddt( rhosCps[ i ], Ts[ i ]) - fvm.laplacian( Ks[ i ], Ts[ i ] ) )
pass
pass
def _hEqn(rho, h, phi, turbulence, DpDt, thermo):
from Foam import fvm
from Foam.finiteVolume import solve
solve(
fvm.ddt(rho, h) + fvm.div(phi, h) -
fvm.laplacian(turbulence.alphaEff(), h) == DpDt)
thermo.correct()
pass
def fun_hEqn( mesh, rho, h, phi, DpDt, thermo, turbulence, finalIter ):
from Foam import fvm
hEqn = fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt
hEqn.relax()
hEqn.solve( mesh.solver( h.select( finalIter ) ) )
thermo.correct()
pass
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 _hEqn( rho, h, phi, turbulence, thermo, DpDt ):
from Foam import fvm
hEqn = fvm.ddt( rho, h ) + fvm.div(phi, h) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt
hEqn.relax()
hEqn.solve()
thermo.correct()
return hEqn
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 fun_hEqn(mesh, rho, h, phi, DpDt, thermo, turbulence, finalIter):
from Foam import fvm
hEqn = fvm.ddt(rho, h) + fvm.div(phi, h) - fvm.laplacian(
turbulence.alphaEff(), h) == DpDt
hEqn.relax()
hEqn.solve(mesh.solver(h.select(finalIter)))
thermo.correct()
pass
def solveSolid( mesh, rho, cp, K, T, nNonOrthCorr ):
for index in range( nNonOrthCorr + 1 ):
from Foam import fvm
TEqn = fvm.ddt( rho * cp, T ) - fvm.laplacian( K, T )
TEqn.relax()
TEqn.solve()
pass
from Foam.OpenFOAM import ext_Info, nl
ext_Info()<< "Min/max T:" << T.ext_min() << ' ' << T.ext_max() << nl
pass
def _hEqn(rho, h, phi, turbulence, thermo, DpDt):
from Foam import fvm
hEqn = fvm.ddt(rho, h) + fvm.div(phi, h) - fvm.laplacian(
turbulence.alphaEff(), h) == DpDt
hEqn.relax()
hEqn.solve()
thermo.correct()
return hEqn
def solveSolid( mesh, rho, cp, K, T, nNonOrthCorr ):
for index in range( nNonOrthCorr + 1 ):
from Foam import fvm
TEqn = fvm.ddt( rho * cp, T ) - fvm.laplacian( K, T )
TEqn.relax()
TEqn.solve()
pass
from Foam.OpenFOAM import ext_Info, nl
ext_Info()<< "Min/max T:" << T.ext_min() << ' ' << T.ext_max() << nl
pass
def solveMomentumEquation( momentumPredictor, U, rho, phi, pd, gh, turb ):
# Solve the Momentum equation
from Foam import fvm
UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turb.divDevRhoReff( U )
UEqn.relax()
if momentumPredictor :
from Foam import fvc
from Foam.finiteVolume import solve
solve( UEqn == -fvc.grad(pd) - fvc.grad(rho) * gh )
pass
return UEqn
def _Ueqn( U, phi, turbulence, p, rhok, g, mesh, momentumPredictor ):
from Foam import fvm
# Solve the momentum equation
UEqn = fvm.ddt( U ) + fvm.div( phi, U ) + turbulence.divDevReff( U )
UEqn.relax()
from Foam.finiteVolume import solve
from Foam import fvc
if momentumPredictor:
solve( UEqn == fvc.reconstruct( ( fvc.interpolate( rhok ) * ( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) ) )
return UEqn
def fun_UEqn( rho, U, phi, g, p, turb, mesh, momentumPredictor ) :
# Solve the Momentum equation
from Foam import fvm
UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turb.divDevRhoReff( U )
UEqn.relax()
if momentumPredictor :
from Foam import fvc
from Foam.finiteVolume import solve
solve( UEqn == fvc.reconstruct( fvc.interpolate( rho ) * ( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) )
pass
return UEqn
def fun_UEqn( rho, U, phi, ghf, p_rgh, turb, mesh, momentumPredictor ) :
# Solve the Momentum equation
from Foam import fvm
UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turb.divDevRhoReff( U )
UEqn.relax()
if momentumPredictor :
from Foam import fvc
from Foam.finiteVolume import solve
solve( UEqn == fvc.reconstruct( ( -ghf * fvc.snGrad( rho ) - fvc.snGrad( p_rgh ) )*mesh.magSf() ) )
pass
return UEqn
def _Ueqn( U, phi, turbulence, p, rhok, g, mesh, momentumPredictor ):
from Foam import fvm
# Solve the momentum equation
UEqn = fvm.ddt( U ) + fvm.div( phi, U ) + turbulence.divDevReff( U )
UEqn.relax()
from Foam.finiteVolume import solve
from Foam import fvc
if momentumPredictor:
solve( UEqn == fvc.reconstruct( ( fvc.interpolate( rhok ) * ( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) ) )
return UEqn
def fun_UEqn( mesh, rho, phi, U, p_rgh, ghf, turbulence, finalIter, momentumPredictor ):
from Foam import fvm, fvc
# Solve the Momentum equation
UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
UEqn.relax()
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) ) );
return UEqn
def solveEnthalpyEquation( rho, DpDt, phi, turb, thermo ):
h = thermo.h()
from Foam import fvm
hEqn = ( ( fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turb.alphaEff(), h ) ) == DpDt )
hEqn.relax()
hEqn.solve()
thermo.correct()
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "Min/max T:" << thermo.T().ext_min() << ' ' \
<< thermo.T().ext_max() << nl
return hEqn
def _UEqn( mesh, phi, U, p, turbulence, ocorr, nOuterCorr, momentumPredictor ):
from Foam import fvm
UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff( U )
if ocorr != nOuterCorr - 1:
UEqn.relax()
pass
if momentumPredictor:
from Foam.finiteVolume import solve
from Foam import fvc
solve( UEqn == -fvc.grad( p ) )
pass
return UEqn
def _TEqn( turbulence, T, phi, rhok, beta, TRef, Pr, Prt ):
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.ddt( T ) + fvm.div( phi, T ) - fvm.laplacian( kappaEff, T )
TEqn.relax()
TEqn.solve()
rhok.ext_assign( 1.0 - beta * ( T - TRef ) )
return TEqn, kappaEff
def _TEqn( turbulence, T, phi, rhok, beta, TRef, Pr, Prt ):
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.ddt( T ) + fvm.div( phi, T ) - fvm.laplacian( kappaEff, T )
TEqn.relax()
TEqn.solve()
rhok.ext_assign( 1.0 - beta * ( T - TRef ) )
return TEqn, kappaEff
def _UEqn(mesh, phi, U, p, turbulence, ocorr, nOuterCorr, momentumPredictor):
from Foam import fvm
UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff(U)
if ocorr != nOuterCorr - 1:
UEqn.relax()
pass
if momentumPredictor:
from Foam.finiteVolume import solve
from Foam import fvc
solve(UEqn == -fvc.grad(p))
pass
return UEqn
def fun_UEqn(mesh, rho, phi, U, p_rgh, ghf, turbulence, finalIter,
momentumPredictor):
from Foam import fvm, fvc
# Solve the Momentum equation
UEqn = fvm.ddt(rho, U) + fvm.div(phi, U) + turbulence.divDevRhoReff(U)
UEqn.relax()
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)))
return UEqn
def fun_hEqn( mesh, rho, h, phi, turbulence, DpDt, thermo, oCorr, nOuterCorr ):
from Foam import fvm
hEqn = fvm.ddt(rho, h) + fvm.div( phi, h ) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt
if oCorr == nOuterCorr-1:
hEqn.relax()
from Foam.OpenFOAM import word
hEqn.solve(mesh.solver( word( "hFinal" ) ) )
pass
else:
hEqn.relax()
hEqn.solve()
pass
thermo.correct()
pass
return hEqn
def fun_hEqn(mesh, rho, h, phi, turbulence, DpDt, thermo, oCorr, nOuterCorr):
from Foam import fvm
hEqn = fvm.ddt(rho, h) + fvm.div(phi, h) - fvm.laplacian(
turbulence.alphaEff(), h) == DpDt
if oCorr == nOuterCorr - 1:
hEqn.relax()
from Foam.OpenFOAM import word
hEqn.solve(mesh.solver(word("hFinal")))
pass
else:
hEqn.relax()
hEqn.solve()
pass
thermo.correct()
pass
return hEqn
def _UEqn( U, rho, phi, turbulence, p, momentumPredictor ):
from Foam import fvm
# 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.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff( U ) + ( fvm.ddt( rho, U ) + fvm.div( phi, U ) )
from Foam.finiteVolume import solve
if momentumPredictor:
from Foam.finiteVolume import solve
from Foam import fvc
solve( UEqn == -fvc.grad( p ) )
pass
return UEqn
def _UEqn(U, rho, phi, turbulence, p, momentumPredictor):
from Foam import fvm
# 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.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff(U) + (fvm.ddt(rho, U) + fvm.div(phi, U))
from Foam.finiteVolume import solve
if momentumPredictor:
from Foam.finiteVolume import solve
from Foam import fvc
solve(UEqn == -fvc.grad(p))
pass
return UEqn
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 fun_pdEqn( corr, nCorr, nNonOrthCorr, closedVolume, pd, pRef, rho, psi, rUA, gh, phi ):
closedVolume = pd.needReference()
for nonOrth in range( nNonOrthCorr + 1):
from Foam import fvc, fvm
pdEqn = fvm.ddt( psi, pd ) + fvc.ddt( psi ) * pRef + fvc.ddt(psi, rho) * gh + fvc.div( phi ) - fvm.laplacian( rho * rUA, pd )
pdEqn.solve()
if corr == nCorr-1 and nonOrth == nNonOrthCorr :
from Foam.OpenFOAM import word
pdEqn.solve( pd.mesh().solver( word( str( pd.name() ) + "Final" ) ) )
pass
else:
pdEqn.solve( pd.mesh().solver( pd.name() ) )
pass
if nonOrth == nNonOrthCorr:
phi.ext_assign(phi + pdEqn.flux() )
return pdEqn, closedVolume
def fun_hEqn( rho, h, phi, turb, DpDt, thermo, mesh, oCorr, nOuterCorr ) :
from Foam import fvm
hEqn = ( ( fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turb.alphaEff(), h ) ) == DpDt )
if oCorr == nOuterCorr - 1 :
hEqn.relax()
from Foam.OpenFOAM import word
hEqn.solve( mesh.solver( word( "hFinal" ) ) )
else:
hEqn.relax()
hEqn.solve()
pass
thermo.correct()
from Foam.OpenFOAM import ext_Info, nl
ext_Info()<< "Min/max T:" << thermo.T().ext_min().value() << ' ' \
<< thermo.T().ext_max().value() << nl
return hEqn
def fun_hEqn( rho, h, phi, turb, DpDt, thermo, mesh, oCorr, nOuterCorr ) :
from Foam import fvm
hEqn = ( ( fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turb.alphaEff(), h ) ) == DpDt )
if oCorr == nOuterCorr - 1 :
hEqn.relax()
from Foam.OpenFOAM import word
hEqn.solve( mesh.solver( word( "hFinal" ) ) )
else:
hEqn.relax()
hEqn.solve()
pass
thermo.correct()
from Foam.OpenFOAM import ext_Info, nl
ext_Info()<< "Min/max T:" << thermo.T().ext_min().value() << ' ' \
<< thermo.T().ext_max().value() << nl
return hEqn
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 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)
T, transportProperties, DT = _createFields(runTime, mesh)
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nCalculating temperature distribution\n" << nl
while runTime.loop():
ext_Info() << "Time = " << runTime.timeName() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls(
mesh)
from Foam.finiteVolume import solve
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
solve(fvm.ddt(T) - fvm.laplacian(DT, T))
pass
write(runTime, mesh, T)
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 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)
T, U, transportProperties, DT, phi = _createFields(runTime, mesh)
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nCalculating scalar transport\n" << nl
from Foam.finiteVolume.cfdTools.incompressible import CourantNo
CoNum, meanCoNum, velMag = CourantNo(mesh, phi, runTime)
while runTime.loop():
ext_Info() << "Time = " << runTime.timeName() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls(
mesh)
from Foam.finiteVolume import solve
from Foam import fvm
for nonOrth in range(nNonOrthCorr + 1):
solve(fvm.ddt(T) + fvm.div(phi, T) - fvm.laplacian(DT, T))
pass
runTime.write()
pass
ext_Info() << "End\n" << nl
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 )
T, transportProperties, DT = _createFields( runTime, mesh )
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nCalculating temperature distribution\n" << nl
while runTime.loop() :
ext_Info() << "Time = " << runTime.timeName() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
simple, nNonOrthCorr, momentumPredictor, transonic = readSIMPLEControls( mesh )
from Foam.finiteVolume import solve
from Foam import fvm
for nonOrth in range( nNonOrthCorr + 1 ):
solve( fvm.ddt( T ) - fvm.laplacian( DT, T ) )
pass
write( runTime, mesh, T )
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 _UEqn(mesh, U, rho, phi, turbulence, p, oCorr, nOuterCorr,
momentumPredictor):
from Foam import fvm
# 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.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
UEqn = turbulence.divDevRhoReff(U) + (fvm.ddt(rho, U) + fvm.div(phi, U))
if oCorr == nOuterCorr - 1:
UEqn().relax(1.0)
pass
else:
UEqn().relax()
pass
rUA = 1.0 / UEqn.A()
from Foam.finiteVolume import solve
from Foam.OpenFOAM import word
from Foam import fvc
if momentumPredictor:
if oCorr == nOuterCorr - 1:
solve(UEqn == -fvc.grad(p), mesh.solver(word("UFinal")))
pass
else:
solve(UEqn == -fvc.grad(p))
pass
else:
U.ext_assign(rUA * (UEqn.H() - fvc.grad(p)))
U.correctBoundaryConditions()
pass
return UEqn
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
