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foam-extend4.1-coherent-io/applications/solvers/compressible/rhoPorousMRFPimpleFoam/UEqn.H
2016-05-30 10:40:08 +02:00

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C

// Solve the Momentum equation
tmp<fvVectorMatrix> UEqn
(
pZones.ddt(rho, U)
+ fvm::div(phi, U)
+ turbulence->divDevRhoReff(U)
);
UEqn().relax
(
mesh.solutionDict().equationRelaxationFactor(U.select(pimple.finalIter()))
);
mrfZones.addCoriolis(rho, UEqn());
pZones.addResistance(UEqn());
volScalarField rUA = 1.0/UEqn().A();
if (pimple.momentumPredictor())
{
solve
(
UEqn() == -fvc::grad(p),
mesh.solutionDict().solver((U.select(pimple.finalIter())))
);
}
else
{
U = rUA*(UEqn().H() - fvc::grad(p));
U.correctBoundaryConditions();
}