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foam-extend4.1-coherent-io/applications/solvers/multiphase/twoLiquidMixingFoam/alphaEqn.H
2010-09-22 19:13:13 +01:00

24 lines
623 B
C++

{
fvScalarMatrix alpha1Eqn
(
fvm::ddt(alpha1)
+ fvm::div(phi, alpha1)
//- fvm::Sp(fvc::div(phi), alpha1)
- fvm::laplacian
(
Dab + alphatab*turbulence->nut(), alpha1,
"laplacian(Dab,alpha1)"
)
);
alpha1Eqn.solve();
rhoPhi = alpha1Eqn.flux()*(rho1 - rho2) + phi*rho2;
rho = alpha1*rho1 + (scalar(1) - alpha1)*rho2;
Info<< "Phase 1 volume fraction = "
<< alpha1.weightedAverage(mesh.V()).value()
<< " Min(alpha1) = " << min(alpha1).value()
<< " Max(alpha1) = " << max(alpha1).value()
<< endl;
}