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foam-extend4.1-coherent-io/applications/solvers/compressible/sonicFoam/pEqn.H
2018-05-15 10:46:19 +01:00

50 lines
1 KiB
C++

{
U = UEqn.H()/UEqn.A();
while (pimple.correctNonOrthogonal())
{
// Calculate phi for boundary conditions
phi = rhof*
(
(fvc::interpolate(U) & mesh.Sf())
);
surfaceScalarField phid2 = rhoReff/rhof*phi;
surfaceScalarField phid("phid", psisf/rhof*phi);
// Store pressure for under-relaxation
p.storePrevIter();
volScalarField divPhid
(
"divPhid",
fvc::div(phid)
);
fvScalarMatrix pEqn
(
fvm::ddt(psis, p)
+ fvm::div(phid, p)
// Convective flux relaxation terms
+ fvc::div(phid2)
- fvm::laplacian(rho*rUA, p)
);
pEqn.solve();
// Calculate the flux
if (pimple.finalNonOrthogonalIter())
{
phi = phid2 + pEqn.flux();
}
// Relax the pressure
p.relax();
}
# include "compressibleContinuityErrs.H"
U -= fvc::grad(p)/UEqn.A();
U.correctBoundaryConditions();
}