85 lines
2 KiB
C++
85 lines
2 KiB
C++
{
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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 - done in 2 parts. Part 1:
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thermo.rho() -= psi*p;
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volScalarField rUA = 1.0/UEqn.A();
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U = rUA*UEqn.H();
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if (pimple.transonic())
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{
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surfaceScalarField phiv =
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(fvc::interpolate(U) & mesh.Sf())
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+ fvc::ddtPhiCorr(rUA, rho, U, phi);
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phi = fvc::interpolate(rho)*phiv;
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surfaceScalarField phid
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(
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"phid",
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fvc::interpolate(thermo.psi())*phiv
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);
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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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fvc::ddt(rho) + fvc::div(phi)
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+ correction(fvm::ddt(psi, p) + fvm::div(phid, p))
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- fvm::laplacian(rho*rUA, p)
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);
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pEqn.solve
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(
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mesh.solutionDict().solver(p.select(pimple.finalInnerIter()))
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);
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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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phi =
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fvc::interpolate(rho)
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*(
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(fvc::interpolate(U) & mesh.Sf())
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+ fvc::ddtPhiCorr(rUA, rho, U, phi)
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);
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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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fvc::ddt(rho) + psi*correction(fvm::ddt(p))
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+ fvc::div(phi)
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- fvm::laplacian(rho*rUA, p)
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);
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pEqn.solve
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(
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mesh.solutionDict().solver(p.select(pimple.finalInnerIter()))
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);
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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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// Second part of thermodynamic density update
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thermo.rho() += psi*p;
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#include "rhoEqn.H"
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#include "compressibleContinuityErrs.H"
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U -= rUA*fvc::grad(p);
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U.correctBoundaryConditions();
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DpDt = fvc::DDt(surfaceScalarField("phiU", phi/fvc::interpolate(rho)), p);
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}
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