74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
{
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surfaceScalarField phiAlpha
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(
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IOobject
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(
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"phiAlpha",
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runTime.timeName(),
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mesh
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),
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mesh,
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dimensionedScalar("0", phi.dimensions(), 0)
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);
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surfaceScalarField phir
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(
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mesh.Sf() & fvc::interpolate(UdmModel.Udm())
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);
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if (nAlphaSubCycles > 1)
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{
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dimensionedScalar totalDeltaT = runTime.deltaT();
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surfaceScalarField phiAlphaSum
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(
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IOobject
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(
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"phiAlphaSum",
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runTime.timeName(),
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mesh
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),
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mesh,
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dimensionedScalar("0", phi.dimensions(), 0)
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);
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for
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(
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subCycle<volScalarField> alphaSubCycle(alpha1, nAlphaSubCycles);
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!(++alphaSubCycle).end();
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)
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{
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#include "alphaEqn.H"
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phiAlphaSum += (runTime.deltaT()/totalDeltaT)*phiAlpha;
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}
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phiAlpha = phiAlphaSum;
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}
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else
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{
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#include "alphaEqn.H"
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}
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// Apply the diffusion term separately to allow implicit solution
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// and boundedness of the explicit advection
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{
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fvScalarMatrix alpha1Eqn
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(
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fvm::ddt(alpha1) - fvc::ddt(alpha1)
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- fvm::laplacian(turbulence->nut(), alpha1)
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);
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alpha1Eqn.solve(mesh.solver("alpha1Diffusion"));
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phiAlpha += alpha1Eqn.flux();
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alpha2 = 1.0 - alpha1;
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Info<< "Phase-1 volume fraction = "
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<< alpha1.weightedAverage(mesh.Vsc()).value()
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<< " Min(" << alpha1.name() <<") = " << min(alpha1).value()
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<< " Max(" << alpha1.name() <<") = " << max(alpha1).value()
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<< endl;
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}
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rhoPhi = phiAlpha*(rho1 - rho2) + phi*rho2;
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rho = mixture.rho();
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}
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