{ volScalarField rAU("rAU", 1.0/UEqn.A()); surfaceScalarField rhorAUf("rhorAUf", fvc::interpolate(rho*rAU)); volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p_rgh)); //tUEqn.clear(); surfaceScalarField phig(-rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf()); surfaceScalarField phiHbyA ( "phiHbyA", fvc::flux(rho*HbyA) ); MRF.makeRelative(fvc::interpolate(rho), phiHbyA); bool closedVolume = adjustPhi(phiHbyA, U, p_rgh); phiHbyA += phig; // Update the pressure BCs to ensure flux consistency constrainPressure(p_rgh, rho, U, phiHbyA, rhorAUf, MRF); dimensionedScalar compressibility = fvc::domainIntegrate(psi); bool compressible = (compressibility.value() > SMALL); // Solve pressure for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++) { fvScalarMatrix p_rghEqn ( fvm::laplacian(rhorAUf, p_rgh) == fvc::div(phiHbyA) ); p_rghEqn.setReference(pRefCell, getRefCellValue(p_rgh, pRefCell)); p_rghEqn.solve(); if (nonOrth == nNonOrthCorr) { // Calculate the conservative fluxes phi = phiHbyA - p_rghEqn.flux(); // Explicitly relax pressure for momentum corrector p_rgh.relax(); // Correct the momentum source with the pressure gradient flux // calculated from the relaxed pressure U = HbyA + rAU*fvc::reconstruct((phig - p_rghEqn.flux())/rhorAUf); U.correctBoundaryConditions(); fvOptions.correct(U); } } p = p_rgh + rho*gh; #include "continuityErrs.H" // For closed-volume cases adjust the pressure level // to obey overall mass continuity if (closedVolume) { if (!compressible) { p += dimensionedScalar ( "p", p.dimensions(), pRefValue - getRefCellValue(p, pRefCell) ); } else { p += (initialMass - fvc::domainIntegrate(psi*p)) /compressibility; } p_rgh = p - rho*gh; } rho = thermo.rho(); rho = max(rho, rhoMin[i]); rho = min(rho, rhoMax[i]); rho.relax(); Info<< "Min/max rho:" << min(rho).value() << ' ' << max(rho).value() << endl; }