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foam-extend4.1-coherent-io/applications/solvers/multiphase/interPhaseChangeFoam/gammaEqn.H

67 lines
1.8 KiB
C

{
word gammaScheme("div(phi,gamma)");
word gammarScheme("div(phirb,gamma)");
surfaceScalarField phir("phir", phic*interface.nHatf());
for (int gCorr=0; gCorr<nGammaCorr; gCorr++)
{
surfaceScalarField phiGamma =
fvc::flux
(
phi,
gamma,
gammaScheme
)
+ fvc::flux
(
-fvc::flux(-phir, scalar(1) - gamma, gammarScheme),
gamma,
gammarScheme
);
Pair<tmp<volScalarField> > vDotAlphal =
twoPhaseProperties->vDotAlphal();
const volScalarField& vDotcAlphal = vDotAlphal[0]();
const volScalarField& vDotvAlphal = vDotAlphal[1]();
volScalarField Sp
(
IOobject
(
"Sp",
runTime.timeName(),
mesh
),
vDotvAlphal - vDotcAlphal
);
volScalarField Su
(
IOobject
(
"Su",
runTime.timeName(),
mesh
),
// Divergence term is handled explicitly to be
// consistent with the explicit transport solution
divU*gamma
+ vDotcAlphal
);
//MULES::explicitSolve(gamma, phi, phiGamma, 1, 0);
//MULES::explicitSolve(oneField(), gamma, phi, phiGamma, Sp, Su, 1, 0);
MULES::implicitSolve(oneField(), gamma, phi, phiGamma, Sp, Su, 1, 0);
rhoPhi +=
(runTime.deltaT()/totalDeltaT)
*(phiGamma*(rho1 - rho2) + phi*rho2);
}
Info<< "Liquid phase volume fraction = "
<< gamma.weightedAverage(mesh.V()).value()
<< " Min(gamma) = " << min(gamma).value()
<< " Max(gamma) = " << max(gamma).value()
<< endl;
}