38 lines
978 B
C
38 lines
978 B
C
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{
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word alphaScheme("div(phi,alpha)");
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word alpharScheme("div(phirb,alpha)");
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surfaceScalarField phic = mag(phi/mesh.magSf());
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phic = min(interface.cAlpha()*phic, max(phic));
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surfaceScalarField phir = faceIbMask*phic*interface.nHatf();
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fvScalarMatrix alpha1Eqn
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(
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fvm::ddt(alpha1)
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+ fvm::div(phi, alpha1, alphaScheme)
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+ fvm::div
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(
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-fvc::flux(-phir, scalar(1) - alpha1, alpharScheme),
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alpha1,
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alpharScheme
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)
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);
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alpha1Eqn.solve();
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Info<< "Liquid phase volume fraction = "
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<< alpha1.weightedAverage(mesh.V()).value()
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<< " Min(alpha1) = " << min(cellIbMask*alpha1).value()
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<< " Max(alpha1) = " << max(cellIbMask*alpha1).value()
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<< endl;
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// Limit alpha to handle IB cells
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alpha1.max(0);
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alpha1.min(1);
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// Update of interface and density
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interface.correct();
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rho == alpha1*rho1 + (scalar(1) - alpha1)*rho2;
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}
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