{ volScalarField rUrelA = 1.0/UrelEqn.A(); surfaceScalarField psisf = fvc::interpolate(psis); surfaceScalarField rhof = fvc::interpolate(rho); // Needs to be outside of loop since p is changing, but psi and rho are not. surfaceScalarField rhoReff = rhof - psisf*fvc::interpolate(p); while (pimple.correct()) { Urel = rUrelA*UrelEqn.H(); // Calculate phi for boundary conditions phi = rhof*fvc::interpolate(Urel) & mesh.Sf(); surfaceScalarField phid2 = rhoReff/rhof*phi; surfaceScalarField phid("phid", psisf/rhof*phi); p.storePrevIter(); while (pimple.correctNonOrthogonal()) { fvScalarMatrix pEqn ( fvm::div(phid, p) + fvc::div(phid2) - fvm::laplacian(rho*rUrelA, p) ); pEqn.solve(); // Calculate the flux if (pimple.finalNonOrthogonalIter()) { phi = phid2 + pEqn.flux(); } } // Use incompressible continuity error check: div(rho U) = 0 # include "continuityErrs.H" // Relax the pressure p.relax(); Urel -= rUrelA*fvc::grad(p); Urel.correctBoundaryConditions(); } // Bound the pressure if (min(p) < pMin || max(p) > pMax) { p.max(pMin); p.min(pMax); p.correctBoundaryConditions(); } // Bound the velocity volScalarField magUrel = mag(Urel); if (max(magUrel) > UrelMax) { volScalarField Urellimiter = pos(magUrel - UrelMax)*UrelMax/(magUrel + smallUrel) + neg(magUrel - UrelMax); Urellimiter.max(scalar(0)); Urellimiter.min(scalar(1)); Urel *= Urellimiter; Urel.correctBoundaryConditions(); } }