This repository has been archived on 2023-11-20.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/combustion/dieselEngineFoam/pEqn.H

65 lines
1.2 KiB
C

rho = thermo.rho();
volScalarField A = UEqn.A();
U = UEqn.H()/A;
if (pimple.transonic())
{
surfaceScalarField phid
(
"phid",
fvc::interpolate(psi)
*((fvc::interpolate(U) & mesh.Sf()) - fvc::meshPhi(rho, U))
);
while (pimple.correctNonOrthogonal())
{
fvScalarMatrix pEqn
(
fvm::ddt(psi, p)
+ fvm::div(phid, p)
- fvm::laplacian(rho/A, p)
==
Sevap
);
pEqn.solve();
if (pimple.finalNonOrthogonalIter())
{
phi == pEqn.flux();
}
}
}
else
{
phi = fvc::interpolate(rho)
*((fvc::interpolate(U) & mesh.Sf()) - fvc::meshPhi(rho, U));
while (pimple.correctNonOrthogonal())
{
fvScalarMatrix pEqn
(
fvm::ddt(psi, p)
+ fvc::div(phi)
- fvm::laplacian(rho/A, p)
==
Sevap
);
pEqn.solve();
if (pimple.finalNonOrthogonalIter())
{
phi += pEqn.flux();
}
}
}
#include "rhoEqn.H"
#include "compressibleContinuityErrs.H"
U -= fvc::grad(p)/A;
U.correctBoundaryConditions();
DpDt = fvc::DDt(surfaceScalarField("phiU", phi/fvc::interpolate(rho)), p);