fda9aadb3a
e.g. (fvc::interpolate(HbyA) & mesh.Sf()) -> fvc::flux(HbyA) This removes the need to create an intermediate face-vector field when computing fluxes which is more efficient, reduces the peak storage and improved cache coherency in addition to providing a simpler and cleaner API.
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
{
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rho = thermo.rho();
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rho = max(rho, rhoMin[i]);
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rho = min(rho, rhoMax[i]);
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rho.relax();
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volScalarField rAU("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_rgh));
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tUEqn.clear();
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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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fvc::flux(rho*HbyA)
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);
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MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
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bool closedVolume = adjustPhi(phiHbyA, U, p_rgh);
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phiHbyA += phig;
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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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dimensionedScalar compressibility = fvc::domainIntegrate(psi);
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bool compressible = (compressibility.value() > SMALL);
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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 p_rghEqn
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(
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fvm::laplacian(rhorAUf, p_rgh) == fvc::div(phiHbyA)
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);
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p_rghEqn.setReference
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(
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pRefCell,
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compressible ? getRefCellValue(p_rgh, pRefCell) : pRefValue
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);
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p_rghEqn.solve();
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if (nonOrth == nNonOrthCorr)
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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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}
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}
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p = p_rgh + rho*gh;
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#include "continuityErrs.H"
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// For closed-volume cases adjust the pressure level
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// to obey overall mass continuity
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if (closedVolume && compressible)
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{
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p += (initialMass - fvc::domainIntegrate(thermo.rho()))
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/compressibility;
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p_rgh = p - rho*gh;
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}
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rho = thermo.rho();
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rho = max(rho, rhoMin[i]);
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rho = min(rho, rhoMax[i]);
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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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}
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