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foam-extend4.1-coherent-io/applications/solvers/incompressible/consistentPimpleDyMFoam/UEqn.H

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2016-03-16 17:49:11 +00:00
// Convection-diffusion matrix
fvVectorMatrix HUEqn
(
fvm::div(phi, U)
+ turbulence->divDevReff(U)
);
// ddt matrix
fvVectorMatrix ddtUEqn(fvm::ddt(U));
// Get under-relaxation factor and under-relax the diagonal
scalar UUrf = mesh.solutionDict().relaxationFactor(U.name());
if (oCorr == nOuterCorr - 1)
{
if (mesh.solutionDict().relax("UFinal"))
{
UUrf = mesh.solutionDict().relaxationFactor("UFinal");
}
else
{
UUrf = 1;
}
}
// Solve momentum predictor
solve
(
ddtUEqn
+ relax(HUEqn, UUrf)
==
-fvc::grad(p)
);