pEqn.H

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volScalarField rAU(1.0/UEqn.A());
volVectorField HbyA("HbyA", U);
HbyA = rAU*UEqn.H();
surfaceScalarField phiHbyA
(
    "phiHbyA",
    (fvc::interpolate(HbyA) & mesh.Sf())
  + fvc::interpolate(rAU)*fvc::ddtCorr(U, phi)
);
 
MRF.makeRelative(phiHbyA);
 
adjustPhi(phiHbyA, U, p);
 
// Non-orthogonal pressure corrector loop
while (piso.correctNonOrthogonal())
{
    // Pressure corrector
 
    fvScalarMatrix pEqn
    (
        fvm::laplacian(rAU, p) == fvc::div(phiHbyA)
    );
 
    pEqn.setReference(pRefCell, pRefValue);
 
    pEqn.solve(mesh.solver(p.select(piso.finalInnerIter())));
 
    if (piso.finalNonOrthogonalIter())
    {
        phi = phiHbyA - pEqn.flux();
    }
}
 
#include "continuityErrs.H"
 
U = HbyA - rAU*fvc::grad(p);
U.correctBoundaryConditions();
fvOptions.correct(U);