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foam-extend4.1-coherent-io/applications/solvers/multiphase/twoLiquidMixingFoam/UEqn.H

34 lines
801 B
C

surfaceScalarField muEff
(
"muEff",
twoPhaseProperties.muf()
+ fvc::interpolate(rho*turbulence->nut())
);
fvVectorMatrix UEqn
(
fvm::ddt(rho, U)
+ fvm::div(rhoPhi, U)
- fvm::laplacian(muEff, U)
- (fvc::grad(U) & fvc::grad(muEff))
//- fvc::div(muEff*(fvc::interpolate(dev(fvc::grad(U))) & mesh.Sf()))
);
UEqn.relax
(
mesh.solutionDict().relaxationFactor(U.select(pimple.finalIter()))
);
if (pimple.momentumPredictor())
{
solve
(
UEqn
==
fvc::reconstruct
(
(- ghf*fvc::snGrad(rho) - fvc::snGrad(p_rgh))*mesh.magSf()
),
mesh.solutionDict().solver((U.select(pimple.finalIter())))
);
}