pEqn.H

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volVectorField HbyA("HbyA", U);
if (pressureImplicitPorosity)
{
    HbyA = trTU()&UEqn().H();
}
else
{
    HbyA = trAU()*UEqn().H();
}
 
UEqn.clear();
surfaceScalarField phiHbyA("phiHbyA", fvc::interpolate(HbyA) & mesh.Sf());
 
MRF.makeRelative(phiHbyA);
 
adjustPhi(phiHbyA, U, p);
 
while (simple.correctNonOrthogonal())
{
    tmp<fvScalarMatrix> tpEqn;
 
    if (pressureImplicitPorosity)
    {
        tpEqn = (fvm::laplacian(trTU(), p) == fvc::div(phiHbyA));
    }
    else
    {
        tpEqn = (fvm::laplacian(trAU(), p) == fvc::div(phiHbyA));
    }
 
    tpEqn().setReference(pRefCell, pRefValue);
 
    tpEqn().solve();
 
    if (simple.finalNonOrthogonalIter())
    {
        phi = phiHbyA - tpEqn().flux();
    }
}
 
#include "continuityErrs.H"
 
// Explicitly relax pressure for momentum corrector
p.relax();
 
if (pressureImplicitPorosity)
{
    U = HbyA - (trTU()&fvc::grad(p));
}
else
{
    U = HbyA - (trAU()*fvc::grad(p));
}
 
U.correctBoundaryConditions();
fvOptions.correct(U);