This repository has been archived on 2023-11-20. You can view files and clone it, but cannot push or open issues or pull requests.
foam-extend4.1-coherent-io/applications/solvers/compressible/rhoPimpleFoam/pEqn.H

112 lines
2.2 KiB
C

rho = thermo->rho();
volScalarField rUA = 1.0/UEqn().A();
U = rUA*UEqn().H();
if (nCorr <= 1)
{
UEqn.clear();
}
if (transonic)
{
surfaceScalarField phid
(
"phid",
fvc::interpolate(thermo->psi())
*(
(fvc::interpolate(U) & mesh.Sf())
+ fvc::ddtPhiCorr(rUA, rho, U, phi)
)
);
for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
{
fvScalarMatrix pEqn
(
fvm::ddt(psi, p)
+ fvm::div(phid, p)
- fvm::laplacian(rho*rUA, p)
);
if (oCorr == nOuterCorr-1 && corr == nCorr-1 && nonOrth == nNonOrthCorr)
{
pEqn.solve(mesh.solver("pFinal"));
}
else
{
pEqn.solve();
}
if (nonOrth == nNonOrthCorr)
{
phi == pEqn.flux();
}
}
}
else
{
phi =
fvc::interpolate(rho)*
(
(fvc::interpolate(U) & mesh.Sf())
//+ fvc::ddtPhiCorr(rUA, rho, U, phi)
);
//bool closedVolume = adjustPhi(phi, U, p);
for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
{
fvScalarMatrix pEqn
(
fvm::ddt(psi, p)
+ fvc::div(phi)
- fvm::laplacian(rho*rUA, p)
);
if (oCorr == nOuterCorr-1 && corr == nCorr-1 && nonOrth == nNonOrthCorr)
{
pEqn.solve(mesh.solver("pFinal"));
}
else
{
pEqn.solve();
}
if (nonOrth == nNonOrthCorr)
{
phi += pEqn.flux();
}
}
}
#include "rhoEqn.H"
#include "compressibleContinuityErrs.H"
//if (oCorr != nOuterCorr-1)
{
// Explicitly relax pressure for momentum corrector
p.relax();
rho = thermo->rho();
rho.relax();
Info<< "rho max/min : " << max(rho).value()
<< " " << min(rho).value() << endl;
}
U -= rUA*fvc::grad(p);
U.correctBoundaryConditions();
DpDt = fvc::DDt(surfaceScalarField("phiU", phi/fvc::interpolate(rho)), p);
bound(p, pMin);
// For closed-volume cases adjust the pressure and density levels
// to obey overall mass continuity
/*
if (closedVolume)
{
p += (initialMass - fvc::domainIntegrate(thermo->psi()*p))
/fvc::domainIntegrate(thermo->psi());
}
*/