pEqn.H

{
    rAU = 1.0/UEqn.A();
    surfaceScalarField rAUf("rAUf", fvc::interpolate(rAU));
    volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p_rgh));
    surfaceScalarField phiHbyA
    (
        "phiHbyA",
        fvc::flux(HbyA)
    );


    if (ddtCorr)
    {
        surfaceScalarField faceMaskOld
        (
            localMin<scalar>(mesh).interpolate(cellMask.oldTime())
        );
        phiHbyA += faceMaskOld*fvc::ddtCorr(U, Uf);
    }

    if (p_rgh.needReference())
    {
        fvc::makeRelative(phiHbyA, U);
        adjustPhi(phiHbyA, U, p_rgh);
        fvc::makeAbsolute(phiHbyA, U);
    }

    surfaceScalarField phig
    (
        (
            interface.surfaceTensionForce()
          - ghf*fvc::snGrad(rho)
        )*faceMask*rAUf*mesh.magSf()
    );

    phiHbyA += phig;

    // Update the pressure BCs to ensure flux consistency
    constrainPressure(p_rgh, U, phiHbyA, rAUf);

    Pair<tmp<volScalarField>> vDotP = mixture->vDotP();
    const volScalarField& vDotcP = vDotP[0]();
    const volScalarField& vDotvP = vDotP[1]();

    while (pimple.correctNonOrthogonal())
    {
        fvScalarMatrix p_rghEqn
        (
            fvc::div(phiHbyA) - fvm::laplacian(rAUf, p_rgh)
          - (vDotvP - vDotcP)*(mixture->pSat() - rho*gh)
          + fvm::Sp(vDotvP - vDotcP, p_rgh)
        );


        //p_rghEqn.setReference(pRefCell, pRefValue);
        p_rghEqn.setReference(pRefCell, getRefCellValue(p_rgh, pRefCell));

        p_rghEqn.solve(mesh.solver(p_rgh.select(pimple.finalInnerIter())));

        if (pimple.finalNonOrthogonalIter())
        {
            phi = phiHbyA + p_rghEqn.flux();

            p_rgh.relax();

            U =
                cellMask
               *(HbyA + rAU*fvc::reconstruct((phig + p_rghEqn.flux())/rAUf));

            U.correctBoundaryConditions();
            fvOptions.correct(U);
        }
    }

     #include "continuityErrs.H"

    {
        Uf = fvc::interpolate(U);
        surfaceVectorField n(mesh.Sf()/mesh.magSf());
        Uf += n*(phi/mesh.magSf() - (n & Uf));
    }

    // Make the fluxes relative to the mesh motion
    fvc::makeRelative(phi, U);

     // Zero faces H-I for transport Eq after pEq
    phi *= faceMask;

    p == p_rgh + rho*gh;

    if (p_rgh.needReference())
    {
        p += dimensionedScalar
        (
            "p",
            p.dimensions(),
            pRefValue - getRefCellValue(p, pRefCell)
        );
        p_rgh = p - rho*gh;
    }
}