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foam-extend4.1-coherent-io/applications/solvers/compressible/steadyCompressibleSRFFoam/pEqn.H
Henrik Rusche 0b163d87e8 Updated steadyCompressible*Foam solvers & steadyCompressibleFoam tutorials
Conflicts:
	applications/solvers/compressible/steadyCompressibleFoam/pEqn.H
2016-01-05 15:20:50 +00:00

79 lines
2 KiB
C

{
volScalarField rUrelA = 1.0/UrelEqn.A();
surfaceScalarField psisf = fvc::interpolate(psis);
surfaceScalarField rhof = fvc::interpolate(rho);
// Needs to be outside of loop since p is changing, but psi and rho are not.
surfaceScalarField rhoReff = rhof - psisf*fvc::interpolate(p);
for (int corr = 0; corr < nCorr; corr++)
{
Urel = rUrelA*UrelEqn.H();
// Calculate phi for boundary conditions
phi = rhof*fvc::interpolate(Urel) & mesh.Sf();
surfaceScalarField phid2 = rhoReff/rhof*phi;
surfaceScalarField phid("phid", psisf/rhof*phi);
p.storePrevIter();
for (int nonOrth = 0; nonOrth <= nNonOrthCorr; nonOrth++)
{
fvScalarMatrix pEqn
(
fvm::ddt(psis, p)
+ fvm::div(phid, p)
+ fvc::div(phid2)
- fvm::laplacian(rho*rUrelA, p)
);
// Retain the residual from the first pressure solution
eqnResidual = pEqn.solve().initialResidual();
if (corr == 0 && nonOrth == 0)
{
maxResidual = max(eqnResidual, maxResidual);
}
// Calculate the flux
if (nonOrth == nNonOrthCorr)
{
phi = phid2 + pEqn.flux();
}
}
# include "compressibleContinuityErrs.H"
// Relax the pressure
p.relax();
Urel -= rUrelA*fvc::grad(p);
Urel.correctBoundaryConditions();
}
// Bound the pressure
if (min(p) < pMin || max(p) > pMax)
{
p.max(pMin);
p.min(pMax);
p.correctBoundaryConditions();
}
// Bound the velocity
volScalarField magUrel = mag(Urel);
if (max(magUrel) > UrelMax)
{
volScalarField Urellimiter =
pos(magUrel - UrelMax)*UrelMax/(magUrel + smallUrel)
+ neg(magUrel - UrelMax);
Urellimiter.max(scalar(0));
Urellimiter.min(scalar(1));
Urel *= Urellimiter;
Urel.correctBoundaryConditions();
}
}