80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
rho = thermo.rho();
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rho = max(rho, rhoMin);
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rho = min(rho, rhoMax);
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rho.relax();
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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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{
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surfaceScalarField phiHbyA
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(
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"phiHbyA",
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fvc::flux(rho*HbyA)
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+ rhorAUf*fvc::ddtCorr(rho, U, rhoUf)
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);
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fvc::makeRelative(phiHbyA, rho, U);
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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, rho, U, phiHbyA, rhorAUf, MRF);
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while (piso.correctNonOrthogonal())
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{
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fvScalarMatrix pEqn
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(
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fvm::ddt(psi, p)
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+ fvc::div(phiHbyA)
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- fvm::laplacian(rhorAUf, p)
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==
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parcels.Srho()
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+ fvOptions(psi, p, rho.name())
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);
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pEqn.solve(mesh.solver(p.select(piso.finalInnerIter())));
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if (piso.finalNonOrthogonalIter())
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{
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phi = phiHbyA + pEqn.flux();
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}
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}
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}
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#include "rhoEqn.H"
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#include "compressibleContinuityErrs.H"
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// Explicitly relax pressure for momentum corrector
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p.relax();
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// Recalculate density from the relaxed pressure
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rho = thermo.rho();
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rho = max(rho, rhoMin);
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rho = min(rho, rhoMax);
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rho.relax();
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Info<< "rho max/min : " << max(rho).value()
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<< " " << min(rho).value() << endl;
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U = HbyA - rAU*fvc::grad(p);
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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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rhoUf = fvc::interpolate(rho*U);
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surfaceVectorField n(mesh.Sf()/mesh.magSf());
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rhoUf += n*(fvc::absolute(phi, rho, U)/mesh.magSf() - (n & rhoUf));
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}
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if (thermo.dpdt())
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{
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dpdt = fvc::ddt(p);
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if (mesh.moving())
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{
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dpdt -= fvc::div(fvc::meshPhi(rho, U), p);
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}
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}
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