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_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 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 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 fun_UEqn( mesh, pZones, rho, U, phi, turbulence, mrfZones, p, momentumPredictor, oCorr, nOuterCorr ):
from Foam import fvm
UEqn = pZones.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
if oCorr == nOuterCorr-1:
UEqn.relax( 1.0 )
pass
else:
UEqn.relax()
pass
mrfZones.addCoriolis( rho, UEqn )
pZones.addResistance( UEqn )
rUA = 1.0 / UEqn.A()
if momentumPredictor:
from Foam import fvc
from Foam.finiteVolume import solve
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
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_UEqn(mesh, pZones, rho, U, phi, turbulence, mrfZones, p,
momentumPredictor, oCorr, nOuterCorr):
from Foam import fvm
UEqn = pZones.ddt(rho, U) + fvm.div(phi, U) + turbulence.divDevRhoReff(U)
if oCorr == nOuterCorr - 1:
UEqn.relax(1.0)
pass
else:
UEqn.relax()
pass
mrfZones.addCoriolis(rho, UEqn)
pZones.addResistance(UEqn)
rUA = 1.0 / UEqn.A()
if momentumPredictor:
from Foam import fvc
from Foam.finiteVolume import solve
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
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 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 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 _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 Ueqn( phi, U, p, turbulence ):
from Foam import fvm, fvc
UEqn = fvm.div( phi, U ) + turbulence.divR( U )
UEqn.relax()
from Foam.finiteVolume import solve
solve( UEqn == -fvc.grad(p) )
return UEqn
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 _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 Ueqn(phi, U, p, turbulence):
from Foam import fvm, fvc
UEqn = fvm.div(phi, U) + turbulence.divR(U)
UEqn.relax()
from Foam.finiteVolume import solve
solve(UEqn == -fvc.grad(p))
return UEqn
def _UEqn(phi, U, p, turbulence, pZones, pressureImplicitPorosity, nUCorr):
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 pressureImplicitPorousity:
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"))
U.ext_assign(trTU & (UEqn.H() - fvc.grad(p)))
U.correctBoundaryConditions()
else:
pZones.addResistance(UEqn)
from Foam.finiteVolume import solve
solve(UEqn == -fvc.grad(p))
trAU = 1.0 / UEqn.A()
from Foam.OpenFOAM import word
trAU.rename(word("rAU"))
pass
return UEqn, trTU, trAU
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 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 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 _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, 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 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 _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 _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 _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 _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 _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 Ueqn( mesh, phi, U, rho, p, g, turbulence, eqnResidual, maxResidual ):
from Foam import fvm, fvc
UEqn = fvm.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 Ueqn(phi, U, p, turbulence, eqnResidual, maxResidual):
from Foam import fvm, fvc
UEqn = fvm.div(phi, U) + turbulence.divDevReff(U)
UEqn.relax()
from Foam.finiteVolume import solve
eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
return UEqn, eqnResidual, maxResidual
def Ueqn( phi, U, p, turbulence, eqnResidual, maxResidual ):
from Foam import fvm, fvc
UEqn = fvm.div( phi, U ) + turbulence.divDevReff( U )
UEqn.relax()
from Foam.finiteVolume import solve
eqnResidual = solve( UEqn == -fvc.grad(p) ).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
return UEqn, eqnResidual, maxResidual
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 fun_UEqn( phi, U, p_rgh, turbulence, mesh, ghf, rhok, eqnResidual, maxResidual, momentumPredictor ):
from Foam import fvm, fvc
UEqn = fvm.div( phi, U ) + turbulence.divDevReff( U )
UEqn.relax()
if momentumPredictor:
from Foam.finiteVolume import solve
eqnResidual = solve( UEqn == fvc.reconstruct( ( - ghf * fvc.snGrad( rhok ) - fvc.snGrad( p_rgh ) )* mesh.magSf() ) ).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
pass
return UEqn, eqnResidual, maxResidual
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 fun_UEqn( turbulence, phi, U, rho, g, p, ghf, p_rgh, mesh, eqnResidual, maxResidual, momentumPredictor ):
from Foam import fvm, fvc
UEqn = fvm.div(phi, U) + turbulence.divDevRhoReff(U)
UEqn.relax()
if momentumPredictor:
from Foam.finiteVolume import solve
eqnResidual = solve( UEqn == fvc.reconstruct( (- ghf * fvc.snGrad( rho ) - fvc.snGrad( p_rgh ) ) * mesh.magSf() ) ).initialResidual()
maxResidual = max(eqnResidual, maxResidual)
pass
return UEqn, eqnResidual, maxResidual
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 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 _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 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 = 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 _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 _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 _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 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
def main_standalone( argc, argv ):
from Foam.OpenFOAM.include import setRootCase
args = setRootCase( argc, argv )
from Foam.OpenFOAM.include import createTime
runTime = createTime( args )
from Foam.OpenFOAM.include import createMesh
mesh = createMesh( runTime )
thermo, p, e, T, psi, mu, U, pbf, rhoBoundaryTypes, rho, rhoU, rhoE, pos, neg, inviscid = _createFields( runTime, mesh )
thermophysicalProperties, Pr = readThermophysicalProperties( runTime, mesh )
from Foam.finiteVolume.cfdTools.general.include import readTimeControls
adjustTimeStep, maxCo, maxDeltaT = readTimeControls( runTime )
fluxScheme = readFluxScheme( mesh )
from Foam.OpenFOAM import dimensionedScalar, dimVolume, dimTime, word
v_zero = dimensionedScalar( word( "v_zero" ) ,dimVolume/dimTime, 0.0)
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n" << nl
while runTime.run() :
# --- upwind interpolation of primitive fields on faces
from Foam import fvc
rho_pos = fvc.interpolate( rho, pos, word( "reconstruct(rho)" ) )
rho_neg = fvc.interpolate( rho, neg, word( "reconstruct(rho)" ) )
rhoU_pos = fvc.interpolate( rhoU, pos, word( "reconstruct(U)" ) )
rhoU_neg = fvc.interpolate( rhoU, neg, word( "reconstruct(U)" ) )
rPsi = 1.0 / psi
rPsi_pos = fvc.interpolate( rPsi, pos, word( "reconstruct(T)" ) )
rPsi_neg = fvc.interpolate( rPsi, neg, word( "reconstruct(T)" ) )
e_pos = fvc.interpolate( e, pos, word( "reconstruct(T)" ) )
e_neg = fvc.interpolate( e, neg, word( "reconstruct(T)" ) )
U_pos = rhoU_pos / rho_pos
U_neg = rhoU_neg / rho_neg
p_pos = rho_pos * rPsi_pos
p_neg = rho_neg * rPsi_neg
phiv_pos = U_pos & mesh.Sf()
phiv_neg = U_neg & mesh.Sf()
c = ( thermo.Cp() / thermo.Cv() * rPsi ).sqrt()
cSf_pos = fvc.interpolate( c, pos, word( "reconstruct(T)" ) ) * mesh.magSf()
cSf_neg = fvc.interpolate( c, neg, word( "reconstruct(T)" ) ) * mesh.magSf()
ap = ( phiv_pos + cSf_pos ).ext_max( phiv_neg + cSf_neg ).ext_max( v_zero )
am = ( phiv_pos - cSf_pos ).ext_min( phiv_neg - cSf_neg ).ext_min( v_zero )
a_pos = ap / ( ap - am )
from Foam.finiteVolume import surfaceScalarField
amaxSf = surfaceScalarField( word( "amaxSf" ), am.mag().ext_max( ap.mag() ) )
CoNum, meanCoNum = compressibleCourantNo( mesh, amaxSf, runTime )
from Foam.finiteVolume.cfdTools.general.include import readTimeControls
adjustTimeStep, maxCo, maxDeltaT = readTimeControls( runTime )
from Foam.finiteVolume.cfdTools.general.include import setDeltaT
runTime = setDeltaT( runTime, adjustTimeStep, maxCo, maxDeltaT, CoNum )
runTime.increment()
ext_Info() << "Time = " << runTime.timeName() << nl << nl
aSf = am * a_pos
if str( fluxScheme ) == "Tadmor":
aSf.ext_assign( -0.5 * amaxSf )
a_pos.ext_assign( 0.5 )
pass
a_neg = 1.0 - a_pos
phiv_pos *= a_pos
phiv_neg *= a_neg
aphiv_pos = phiv_pos - aSf
aphiv_neg = phiv_neg + aSf
phi = None
phi = surfaceScalarField( word( "phi" ), aphiv_pos * rho_pos + aphiv_neg * rho_neg )
phiUp = ( aphiv_pos * rhoU_pos + aphiv_neg * rhoU_neg) + ( a_pos * p_pos + a_neg * p_neg ) * mesh.Sf()
phiEp = aphiv_pos * ( rho_pos * ( e_pos + 0.5*U_pos.magSqr() ) + p_pos ) + aphiv_neg * ( rho_neg * ( e_neg + 0.5 * U_neg.magSqr() ) + p_neg )\
+ aSf * p_pos - aSf * p_neg
from Foam.finiteVolume import volTensorField
from Foam import fvc
tauMC = volTensorField( word( "tauMC" ) , mu * fvc.grad(U).T().dev2() )
# --- Solve density
from Foam.finiteVolume import solve
from Foam import fvm
solve( fvm.ddt( rho ) + fvc.div( phi ) )
# --- Solve momentum
solve( fvm.ddt( rhoU ) + fvc.div( phiUp ) )
U.dimensionedInternalField().ext_assign( rhoU.dimensionedInternalField() / rho.dimensionedInternalField() )
U.correctBoundaryConditions()
rhoU.ext_boundaryField().ext_assign( rho.ext_boundaryField() * U.ext_boundaryField() )
rhoBydt = rho / runTime.deltaT()
if not inviscid:
solve( fvm.ddt( rho, U ) - fvc.ddt( rho, U ) - fvm.laplacian( mu, U ) - fvc.div( tauMC ) )
rhoU.ext_assign( rho * U )
pass
# --- Solve energy
sigmaDotU = ( fvc.interpolate( mu ) * mesh.magSf() * fvc.snGrad( U ) + ( mesh.Sf() & fvc.interpolate( tauMC ) ) ) & ( a_pos * U_pos + a_neg * U_neg )
solve( fvm.ddt( rhoE ) + fvc.div( phiEp ) - fvc.div( sigmaDotU ) )
e.ext_assign( rhoE / rho - 0.5 * U.magSqr() )
e.correctBoundaryConditions()
thermo.correct()
from Foam.finiteVolume import volScalarField
rhoE.ext_boundaryField().ext_assign( rho.ext_boundaryField() * ( e.ext_boundaryField() + 0.5 * U.ext_boundaryField().magSqr() ) )
if not inviscid:
k = volScalarField( word( "k" ) , thermo.Cp() * mu / Pr )
# The initial C++ expression does not work properly, because of
# 1. the order of expression arguments computation differs with C++
#solve( fvm.ddt( rho, e ) - fvc.ddt( rho, e ) - fvm.laplacian( thermo.alpha(), e ) \
# + fvc.laplacian( thermo.alpha(), e ) - fvc.laplacian( k, T ) )
solve( -fvc.laplacian( k, T ) + ( fvc.laplacian( thermo.alpha(), e ) \
+ (- fvm.laplacian( thermo.alpha(), e ) + (- fvc.ddt( rho, e ) + fvm.ddt( rho, e ) ) ) ) )
thermo.correct()
rhoE.ext_assign( rho * ( e + 0.5 * U.magSqr() ) )
pass
p.dimensionedInternalField().ext_assign( rho.dimensionedInternalField() / psi.dimensionedInternalField() )
p.correctBoundaryConditions()
rho.ext_boundaryField().ext_assign( psi.ext_boundaryField() * p.ext_boundaryField() )
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 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 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)
transportProperties, nu = readTransportProperties(runTime, mesh)
p, U, phi = _createFields(runTime, mesh)
turbulenceProperties, force, K, forceGen = readTurbulenceProperties(
runTime, mesh, U)
from Foam.finiteVolume.cfdTools.general.include import initContinuityErrs
cumulativeContErr = initContinuityErrs()
# * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * #
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n"
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.randomProcesses import fft
from Foam.OpenFOAM import ReImSum
force.internalField().ext_assign(
ReImSum(
fft.reverseTransform(
K / (K.mag() + 1.0e-6) ^ forceGen.newField(), K.nn())))
globalProperties(runTime, U, nu, force)
from Foam import fvm
UEqn = fvm.ddt(U) + fvm.div(phi, U) - fvm.laplacian(nu, U) == force
from Foam import fvc
from Foam.finiteVolume import solve
solve(UEqn == -fvc.grad(p))
# --- PISO loop
for corr in range(1):
rUA = 1.0 / UEqn.A()
U.ext_assign(rUA * UEqn.H())
phi.ext_assign((fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, U, phi))
pEqn = fvm.laplacian(rUA, p) == fvc.div(phi)
pEqn.solve()
phi.ext_assign(phi - pEqn.flux())
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()
if runTime.outputTime():
from Foam.randomProcesses import calcEk
from Foam.OpenFOAM import word, fileName
calcEk(U, K).write(fileName(runTime.timePath() / fileName("Ek")),
runTime.graphFormat())
pass
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" \
<< " ClockTime = " << runTime.elapsedClockTime() << " s" << nl
pass
ext_Info() << "End\n" << nl
import os
return os.EX_OK
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, Cp, gamma, Pr = readThermodynamicProperties(
runTime, mesh)
p, T, psi, pbf, rhoBoundaryTypes, rho, U, Ubf, rhoUboundaryTypes, \
rhoU, Tbf, rhoEboundaryTypes, rhoE, phi, phiv, rhoU, fields, magRhoU, H = _createFields( runTime, mesh, R, Cv )
from Foam.OpenFOAM import ext_Info, nl
ext_Info() << "\nStarting time loop\n" << nl
while runTime.loop():
ext_Info() << "Time = " << runTime.value() << nl << nl
from Foam.finiteVolume.cfdTools.general.include import readPISOControls
piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls(
mesh)
from Foam.OpenFOAM import readScalar, word
HbyAblend = readScalar(piso.lookup(word("HbyAblend")))
from Foam.finiteVolume.cfdTools.general.include import readTimeControls
adjustTimeStep, maxCo, maxDeltaT = readTimeControls(runTime)
CoNum = (mesh.deltaCoeffs() * phiv.mag() /
mesh.magSf()).ext_max().value() * runTime.deltaT().value()
ext_Info() << "Max Courant Number = " << CoNum << nl
from Foam.finiteVolume.cfdTools.general.include import setDeltaT
runTime = setDeltaT(runTime, adjustTimeStep, maxCo, maxDeltaT, CoNum)
for outerCorr in range(nOuterCorr):
magRhoU.ext_assign(rhoU.mag())
H.ext_assign((rhoE + p) / rho)
from Foam.fv import multivariateGaussConvectionScheme_scalar
mvConvection = multivariateGaussConvectionScheme_scalar(
mesh, fields, phiv, mesh.divScheme(word("div(phiv,rhoUH)")))
from Foam.finiteVolume import solve
from Foam import fvm
solve(fvm.ddt(rho) + mvConvection.fvmDiv(phiv, rho))
tmp = mvConvection.interpolationScheme()()(magRhoU)
rhoUWeights = tmp.ext_weights(magRhoU)
from Foam.finiteVolume import weighted_vector
rhoUScheme = weighted_vector(rhoUWeights)
from Foam import fv, fvc
rhoUEqn = fvm.ddt(rhoU) + fv.gaussConvectionScheme_vector(
mesh, phiv, rhoUScheme).fvmDiv(phiv, rhoU)
solve(rhoUEqn == -fvc.grad(p))
solve(
fvm.ddt(rhoE) + mvConvection.fvmDiv(phiv, rhoE) ==
-mvConvection.fvcDiv(phiv, p))
T.ext_assign((rhoE - 0.5 * rho * (rhoU / rho).magSqr()) / Cv / rho)
psi.ext_assign(1.0 / (R * T))
p.ext_assign(rho / psi)
for corr in range(nCorr):
rrhoUA = 1.0 / rhoUEqn.A()
from Foam.finiteVolume import surfaceScalarField
rrhoUAf = surfaceScalarField(word("rrhoUAf"),
fvc.interpolate(rrhoUA))
HbyA = rrhoUA * rhoUEqn.H()
from Foam.finiteVolume import LimitedScheme_vector_MUSCLLimiter_NVDTVD_limitFuncs_magSqr
from Foam.OpenFOAM import IStringStream, word
HbyAWeights = HbyAblend * mesh.weights() + ( 1.0 - HbyAblend ) * \
LimitedScheme_vector_MUSCLLimiter_NVDTVD_limitFuncs_magSqr( mesh, phi, IStringStream( "HbyA" )() ).weights( HbyA )
from Foam.finiteVolume import surfaceInterpolationScheme_vector
phi.ext_assign( ( surfaceInterpolationScheme_vector.ext_interpolate(HbyA, HbyAWeights) & mesh.Sf() ) \
+ HbyAblend * fvc.ddtPhiCorr( rrhoUA, rho, rhoU, phi ) )
p.ext_boundaryField().updateCoeffs()
phiGradp = rrhoUAf * mesh.magSf() * fvc.snGrad(p)
phi.ext_assign(phi - phiGradp)
resetPhiPatches(phi, rhoU, mesh)
rhof = mvConvection.interpolationScheme()()(rho).interpolate(
rho)
phiv.ext_assign(phi / rhof)
pEqn = fvm.ddt(psi, p) + mvConvection.fvcDiv(
phiv, rho) + fvc.div(phiGradp) - fvm.laplacian(rrhoUAf, p)
pEqn.solve()
phi.ext_assign(phi + phiGradp + pEqn.flux())
rho.ext_assign(psi * p)
rhof.ext_assign(
mvConvection.interpolationScheme()()(rho).interpolate(rho))
phiv.ext_assign(phi / rhof)
rhoU.ext_assign(HbyA - rrhoUA * fvc.grad(p))
rhoU.correctBoundaryConditions()
pass
pass
U.ext_assign(rhoU / rho)
runTime.write()
ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
" ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
pass
ext_Info() << "End\n"
import os
return os.EX_OK
def main_standalone(argc, argv):
from Foam.OpenFOAM.include import setRootCase
args = setRootCase(argc, argv)
from Foam.OpenFOAM.include import createTime
runTime = createTime(args)
from Foam.OpenFOAM.include import createMesh
mesh = createMesh(runTime)
thermodynamicProperties, rho0, p0, psi, rhoO = readThermodynamicProperties(
runTime, mesh)
transportProperties, mu = readTransportProperties(runTime, mesh)
p, U, rho, phi = _createFields(runTime, mesh, rhoO, psi)
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.compressible import compressibleCourantNo
CoNum, meanCoNum, velMag = compressibleCourantNo(
mesh, phi, rho, runTime)
from Foam.finiteVolume.cfdTools.compressible import rhoEqn
rhoEqn(rho, phi)
from Foam import fvm, fvc
from Foam.finiteVolume import solve
UEqn = fvm.ddt(rho, U) + fvm.div(phi, U) - fvm.laplacian(mu, U)
solve(UEqn == -fvc.grad(p))
for corr in range(nCorr):
rUA = 1.0 / UEqn.A()
U.ext_assign(rUA * UEqn.H())
from Foam.OpenFOAM import word
from Foam.finiteVolume import surfaceScalarField
phid = surfaceScalarField(
word("phid"),
psi * ((fvc.interpolate(U) & mesh.Sf()) +
fvc.ddtPhiCorr(rUA, rho, U, phi)))
phi.ext_assign((rhoO / psi) * phid)
pEqn = fvm.ddt(psi, p) + fvc.div(phi) + fvm.div(
phid, p) - fvm.laplacian(rho * rUA, p)
pEqn.solve()
phi.ext_assign(phi + pEqn.flux())
cumulativeContErr = compressibleContinuityErrs(
rho, phi, psi, rho0, p, p0, cumulativeContErr)
U.ext_assign(U - rUA * fvc.grad(p))
U.correctBoundaryConditions()
pass
rho.ext_assign(rhoO + psi * p)
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
