openfoam/applications/solvers/heatTransfer/buoyantPimpleFoam/overBuoyantPimpleDyMFoam/pEqn.H
Mark Olesen ef44df91f2 ENH: support direct lookup of solver controls
OLD:
        pEqn.solve(mesh.solver(p.select(piso.finalInnerIter())));
        pEqn.solve(mesh.solver("Yi"));

    NEW:
        pEqn.solve(p.select(piso.finalInnerIter()));
        pEqn.solve("Yi");
2023-12-07 17:42:24 +01:00

123 lines
2.5 KiB
C

dimensionedScalar compressibility = fvc::domainIntegrate(psi);
bool compressible = (compressibility.value() > SMALL);
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());
mesh.interpolate(rAU);
surfaceScalarField rhorAUf("rhorAUf", fvc::interpolate(rho*rAU));
volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p_rgh));
surfaceScalarField phig(-rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf());
surfaceScalarField phiHbyA
(
"phiHbyA",
fvc::flux(rho*HbyA) + phig
);
if (adjustFringe)
{
fvc::makeRelative(phiHbyA,rho, U);
oversetAdjustPhi(phiHbyA, U);
fvc::makeAbsolute(phiHbyA,rho, U);
}
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)
==
fvOptions(psi, p_rgh, rho.name())
);
while (pimple.correctNonOrthogonal())
{
fvScalarMatrix p_rghEqn
(
p_rghDDtEqn
- fvm::laplacian(rhorAUf, p_rgh)
);
p_rghEqn.solve(p_rgh.select(pimple.finalInnerIter()));
if (pimple.finalNonOrthogonalIter())
{
// Calculate the conservative fluxes
phi = phiHbyA + p_rghEqn.flux();
// Explicitly relax pressure for momentum corrector
p_rgh.relax();
// Correct the momentum source with the pressure gradient flux
// calculated from the relaxed pressure
U =
cellMask*
(
HbyA + rAU*fvc::reconstruct((phig + p_rghEqn.flux())/rhorAUf)
);
U.correctBoundaryConditions();
fvOptions.correct(U);
K = 0.5*magSqr(U);
}
}
p = p_rgh + rho*gh;
#include "rhoEqn.H"
#include "compressibleContinuityErrs.H"
if (p_rgh.needReference())
{
if (!compressible)
{
p += dimensionedScalar
(
"p",
p.dimensions(),
pRefValue - getRefCellValue(p, pRefCell)
);
}
else
{
p += (initialMass - fvc::domainIntegrate(psi*p))
/compressibility;
thermo.correctRho(psi*p - psip0);
rho = thermo.rho();
p_rgh = p - rho*gh;
}
}
else
{
thermo.correctRho(psi*p - psip0);
}
rho = thermo.rho();
{
fvc::correctRhoUf(rhoUf, rho, U, phi);
}
if (thermo.dpdt())
{
dpdt = fvc::ddt(p);
if (mesh.moving())
{
dpdt -= fvc::div(fvc::meshPhi(rho, U), p);
}
}
phi *= faceMask;