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

29 lines
498 B
C++

// Solve the Momentum equation
fvVectorMatrix UEqn
(
fvm::ddt(rho, U)
+ fvm::div(phi, U)
+ fvc::div
(
(Alpha/(scalar(1.001) - Alpha))*(sqr(rhoc)/rho)*Vdj*Vdj,
"div(phiVdj,Vdj)"
)
- fvm::laplacian(mu, U, "laplacian(muEff,U)")
);
if (pimple.momentumPredictor())
{
solve
(
UEqn
==
fvc::reconstruct
(
(
- ghf*fvc::snGrad(rho)
- fvc::snGrad(p)
)*mesh.magSf()
)
);
}