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foam-extend4.1-coherent-io/applications/solvers/incompressible/pimpleFoam/UEqn.H
2010-08-26 15:22:03 +01:00

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// Solve the Momentum equation
tmp<fvVectorMatrix> UEqn
(
fvm::ddt(U)
+ fvm::div(phi, U)
+ turbulence->divDevReff(U)
);
if (oCorr == nOuterCorr-1)
{
UEqn().relax(1);
}
else
{
UEqn().relax();
}
volScalarField rUA = 1.0/UEqn().A();
if (momentumPredictor)
{
if (oCorr == nOuterCorr-1)
{
solve(UEqn() == -fvc::grad(p), mesh.solver("UFinal"));
}
else
{
solve(UEqn() == -fvc::grad(p));
}
}
else
{
U = rUA*(UEqn().H() - fvc::grad(p));
U.correctBoundaryConditions();
}