Files
openfoam/applications/solvers/lagrangian/reactingParcelFoam/pEqn.H
Henry Weller 791e1ca2d2 Merged reactingParcelFilmFoam into reactingParcelFoam
The combined solver includes the most advanced and general functionality from
each solver including:

    Continuous phase
    Lagrangian multiphase parcels
    Optional film
    Continuous and Lagrangian phase reactions
    Radiation
    Strong buoyancy force support by solving for p_rgh

The reactingParcelFoam and reactingParcelFilmFoam tutorials have been combined
and updated.
2017-08-29 09:33:45 +01:00

88 lines
1.8 KiB
C

if (!pimple.SIMPLErho())
{
rho = thermo.rho();
}
// Thermodynamic density needs to be updated by psi*d(p) after the
// pressure solution
const volScalarField psip0(psi*p);
volScalarField rAU(1.0/UEqn.A());
surfaceScalarField rhorAUf("rhorAUf", fvc::interpolate(rho*rAU));
volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
surfaceScalarField phig(-rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf());
surfaceScalarField phiHbyA
(
"phiHbyA",
(
fvc::flux(rho*HbyA)
+ rhorAUf*fvc::ddtCorr(rho, U, phi)
)
+ phig
);
MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
// Update the pressure BCs to ensure flux consistency
constrainPressure(p_rgh, rho, U, phiHbyA, rhorAUf, MRF);
fvScalarMatrix p_rghDDtEqn
(
fvc::ddt(rho) + psi*correction(fvm::ddt(p_rgh))
+ fvc::div(phiHbyA)
==
parcels.Srho()
+ surfaceFilm.Srho()
+ fvOptions(psi, p_rgh, rho.name())
);
while (pimple.correctNonOrthogonal())
{
fvScalarMatrix p_rghEqn
(
p_rghDDtEqn
- fvm::laplacian(rhorAUf, p_rgh)
);
p_rghEqn.solve(mesh.solver(p_rgh.select(pimple.finalInnerIter())));
if (pimple.finalNonOrthogonalIter())
{
phi = phiHbyA + p_rghEqn.flux();
// Explicitly relax pressure for momentum corrector
p_rgh.relax();
U = HbyA + rAU*fvc::reconstruct((p_rghEqn.flux() + phig)/rhorAUf);
U.correctBoundaryConditions();
fvOptions.correct(U);
K = 0.5*magSqr(U);
}
}
p = p_rgh + rho*gh;
// Thermodynamic density update
thermo.correctRho(psi*p - psip0);
#include "rhoEqn.H"
#include "compressibleContinuityErrs.H"
if (pressureControl.limit(p))
{
p.correctBoundaryConditions();
rho = thermo.rho();
p_rgh = p - rho*gh;
}
else if (pimple.SIMPLErho())
{
rho = thermo.rho();
}
if (thermo.dpdt())
{
dpdt = fvc::ddt(p);
}