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twoPhaseEulerFoam: Improvements to implicitPhasePressure

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This commit is contained in:
Henry
2015-04-28 18:18:34 +01:00
parent 00ec396a8d
commit 9655398064
7 changed files with 239 additions and 271 deletions
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56
applications/solvers/multiphase/twoPhaseEulerFoam/twoPhaseSystem/twoPhaseSystem.C
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@ -365,13 +365,6 @@ void Foam::twoPhaseSystem::solve()
const surfaceScalarField& phi1 = phase1_.phi();
const surfaceScalarField& phi2 = phase2_.phi();
Switch faceMomentum
(
//pimple.dict().lookupOrDefault<Switch>("faceMomentum", false)
mesh_.solutionDict().subDict("PIMPLE")
.lookupOrDefault<Switch>("faceMomentum", false)
);
const dictionary& alphaControls = mesh_.solverDict
(
alpha1.name()
@ -379,10 +372,6 @@ void Foam::twoPhaseSystem::solve()
label nAlphaSubCycles(readLabel(alphaControls.lookup("nAlphaSubCycles")));
label nAlphaCorr(readLabel(alphaControls.lookup("nAlphaCorr")));
Switch implicitPhasePressure
(
alphaControls.lookupOrDefault<Switch>("implicitPhasePressure", false)
);
word alphaScheme("div(phi," + alpha1.name() + ')');
word alpharScheme("div(phir," + alpha1.name() + ')');
@ -395,48 +384,11 @@ void Foam::twoPhaseSystem::solve()
surfaceScalarField alpha1f(fvc::interpolate(max(alpha1, scalar(0))));
tmp<surfaceScalarField> pPrimeByA;
if (implicitPhasePressure)
if (pPrimeByA_.valid())
{
if (faceMomentum)
{
const surfaceScalarField& rAU1f =
mesh_.lookupObject<surfaceScalarField>
(
IOobject::groupName("rAUf", phase1_.name())
);
const surfaceScalarField& rAU2f =
mesh_.lookupObject<surfaceScalarField>
(
IOobject::groupName("rAUf", phase2_.name())
);
volScalarField D(this->D());
pPrimeByA =
rAU1f*fvc::interpolate(D + phase1_.turbulence().pPrime())
+ rAU2f*fvc::interpolate(D + phase2_.turbulence().pPrime());
}
else
{
const volScalarField& rAU1 = mesh_.lookupObject<volScalarField>
(
IOobject::groupName("rAU", phase1_.name())
);
const volScalarField& rAU2 = mesh_.lookupObject<volScalarField>
(
IOobject::groupName("rAU", phase2_.name())
);
pPrimeByA =
fvc::interpolate(rAU1*phase1_.turbulence().pPrime())
+ fvc::interpolate(rAU2*phase2_.turbulence().pPrime());
}
surfaceScalarField phiP
(
pPrimeByA()*fvc::snGrad(alpha1, "bounded")*mesh_.magSf()
pPrimeByA_()*fvc::snGrad(alpha1, "bounded")*mesh_.magSf()
);
phic += alpha1f*phiP;
@ -571,12 +523,12 @@ void Foam::twoPhaseSystem::solve()
phase1_.alphaPhi() = alphaPhic1;
}
if (implicitPhasePressure)
if (pPrimeByA_.valid())
{
fvScalarMatrix alpha1Eqn
(
fvm::ddt(alpha1) - fvc::ddt(alpha1)
- fvm::laplacian(alpha1f*pPrimeByA(), alpha1, "bounded")
- fvm::laplacian(alpha1f*pPrimeByA_(), alpha1, "bounded")
);
alpha1Eqn.relax();