ef44df91f2
OLD:
pEqn.solve(mesh.solver(p.select(piso.finalInnerIter())));
pEqn.solve(mesh.solver("Yi"));
NEW:
pEqn.solve(p.select(piso.finalInnerIter()));
pEqn.solve("Yi");
75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
rho = thermo.rho();
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// Thermodynamic density needs to be updated by psi*d(p) after the
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// pressure solution
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const volScalarField psip0(psi*p);
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volScalarField rAU(1.0/UEqn.A());
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surfaceScalarField rhorAUf("rhorAUf", fvc::interpolate(rho*rAU));
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volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
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surfaceScalarField phig(-rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf());
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surfaceScalarField phiHbyA
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(
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"phiHbyA",
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(
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fvc::flux(rho*HbyA)
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+ MRF.zeroFilter(rhorAUf*fvc::ddtCorr(rho, U, phi))
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)
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+ phig
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);
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MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
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// Update the pressure BCs to ensure flux consistency
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constrainPressure(p_rgh, rho, U, phiHbyA, rhorAUf, MRF);
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fvScalarMatrix p_rghDDtEqn
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(
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fvc::ddt(rho) + psi*correction(fvm::ddt(p_rgh))
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+ fvc::div(phiHbyA)
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==
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fvOptions(psi, p_rgh, rho.name())
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);
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while (pimple.correctNonOrthogonal())
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{
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fvScalarMatrix p_rghEqn
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(
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p_rghDDtEqn
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- fvm::laplacian(rhorAUf, p_rgh)
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);
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p_rghEqn.solve(p_rgh.select(pimple.finalInnerIter()));
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if (pimple.finalNonOrthogonalIter())
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{
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// Calculate the conservative fluxes
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phi = phiHbyA + p_rghEqn.flux();
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// Explicitly relax pressure for momentum corrector
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p_rgh.relax();
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// Correct the momentum source with the pressure gradient flux
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// calculated from the relaxed pressure
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U = HbyA + rAU*fvc::reconstruct((phig + p_rghEqn.flux())/rhorAUf);
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U.correctBoundaryConditions();
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fvOptions.correct(U);
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K = 0.5*magSqr(U);
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}
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}
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p = p_rgh + rho*gh;
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// Thermodynamic density update
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thermo.correctRho(psi*p - psip0);
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if (thermo.dpdt())
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{
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dpdt = fvc::ddt(p);
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}
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#include "rhoEqn.H"
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#include "compressibleContinuityErrs.H"
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