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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.
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
rho = thermo.rho();
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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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if (pimple.transonic())
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{
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surfaceScalarField phid
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(
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"phid",
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fvc::interpolate(psi)
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*(
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(
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fvc::flux(HbyA)
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+ rhorAUf*fvc::ddtCorr(rho, U, rhoUf)/fvc::interpolate(rho)
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)
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)
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);
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fvc::makeRelative(phid, psi, U);
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MRF.makeRelative(fvc::interpolate(psi), phid);
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while (pimple.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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+ fvm::div(phid, p)
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- fvm::laplacian(rhorAUf, p)
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==
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fvOptions(psi, p, rho.name())
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);
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pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
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if (pimple.finalNonOrthogonalIter())
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{
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phi == pEqn.flux();
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}
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}
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}
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else
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{
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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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+ rhorAUf*fvc::ddtCorr(rho, U, rhoUf)
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)
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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 (pimple.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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fvOptions(psi, p, rho.name())
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);
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pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
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if (pimple.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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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) - fvc::div(fvc::meshPhi(rho, U), p);
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}
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