2ac4a4e84c
LTS is selected by the ddt scheme e.g. in the
tutorials/multiphase/interFoam/ras/DTCHull case:
ddtSchemes
{
default localEuler rDeltaT;
}
LTSInterFoam is no longer needed now that interFoam includes LTS
support.
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
{
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word alphaScheme("div(phi,alpha)");
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word alpharScheme("div(phirb,alpha)");
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if (MULESCorr)
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{
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fvScalarMatrix alpha1Eqn
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(
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fv::EulerDdtScheme<scalar>(mesh).fvmDdt(alpha1)
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+ fv::gaussConvectionScheme<scalar>
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(
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mesh,
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phi,
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upwind<scalar>(mesh, phi)
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).fvmDiv(phi, alpha1)
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);
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solve(alpha1Eqn);
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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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tmp<surfaceScalarField> tphiAlphaUD(alpha1Eqn.flux());
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phiAlpha = tphiAlphaUD();
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if (alphaApplyPrevCorr && tphiAlphaCorr0.valid())
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{
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Info<< "Applying the previous iteration correction flux" << endl;
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MULES::correct
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(
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alpha1,
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phiAlpha,
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tphiAlphaCorr0(),
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mixture.alphaMax(),
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0
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);
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phiAlpha += tphiAlphaCorr0();
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}
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// Cache the upwind-flux
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tphiAlphaCorr0 = tphiAlphaUD;
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}
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for (int aCorr=0; aCorr<nAlphaCorr; aCorr++)
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{
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tmp<surfaceScalarField> tphiAlphaUn
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(
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fvc::flux
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(
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phi,
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alpha1,
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alphaScheme
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)
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+ fvc::flux
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(
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phir,
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alpha1,
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alpharScheme
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)
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);
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if (MULESCorr)
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{
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tmp<surfaceScalarField> tphiAlphaCorr(tphiAlphaUn() - phiAlpha);
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volScalarField alpha10("alpha10", alpha1);
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MULES::correct
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(
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alpha1,
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tphiAlphaUn(),
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tphiAlphaCorr(),
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mixture.alphaMax(),
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0
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);
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// Under-relax the correction for all but the 1st corrector
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if (aCorr == 0)
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{
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phiAlpha += tphiAlphaCorr();
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}
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else
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{
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alpha1 = 0.5*alpha1 + 0.5*alpha10;
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phiAlpha += 0.5*tphiAlphaCorr();
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}
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}
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else
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{
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phiAlpha = tphiAlphaUn;
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MULES::explicitSolve
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(
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alpha1,
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phi,
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phiAlpha,
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mixture.alphaMax(),
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0
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);
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}
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}
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if (alphaApplyPrevCorr && MULESCorr)
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{
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tphiAlphaCorr0 = phiAlpha - tphiAlphaCorr0;
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}
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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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