75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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{
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// From buoyantSimpleFoam
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rho = thermo.rho();
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volScalarField rUA = 1.0/UEqn().A();
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surfaceScalarField rhorUAf("(rho*(1|A(U)))", fvc::interpolate(rho*rUA));
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U = rUA*UEqn().H();
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UEqn.clear();
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phi = fvc::interpolate(rho)*(fvc::interpolate(U) & mesh.Sf());
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bool closedVolume = adjustPhi(phi, U, p);
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surfaceScalarField buoyancyPhi =
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rhorUAf*fvc::interpolate(rho)*(g & mesh.Sf());
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phi += buoyancyPhi;
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// Solve pressure
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for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
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{
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fvScalarMatrix pEqn
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(
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fvm::laplacian(rhorUAf, p) == fvc::div(phi)
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);
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pEqn.setReference(pRefCell, pRefValue);
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// retain the residual from the first iteration
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if (nonOrth == 0)
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{
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eqnResidual = pEqn.solve().initialResidual();
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maxResidual = max(eqnResidual, maxResidual);
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}
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else
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{
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pEqn.solve();
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}
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if (nonOrth == nNonOrthCorr)
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{
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// For closed-volume cases adjust the pressure and density levels
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// to obey overall mass continuity
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if (closedVolume)
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{
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p += (initialMass - fvc::domainIntegrate(psi*p))
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/fvc::domainIntegrate(psi);
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}
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// Calculate the conservative fluxes
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phi -= pEqn.flux();
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// Explicitly relax pressure for momentum corrector
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p.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 += rUA*fvc::reconstruct((buoyancyPhi - pEqn.flux())/rhorUAf);
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U.correctBoundaryConditions();
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}
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}
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#include "continuityErrs.H"
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rho = thermo.rho();
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rho.relax();
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Info<< "Min/max rho:" << min(rho).value() << ' '
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<< max(rho).value() << endl;
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// Update thermal conductivity
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K = thermo.Cp()*turb.alphaEff();
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}
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