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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2023-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "twoPhaseSolver.H"
#include "constrainHbyA.H"
#include "constrainPressure.H"
#include "adjustPhi.H"
#include "findRefCell.H"
#include "fvcMeshPhi.H"
#include "fvcFlux.H"
#include "fvcDdt.H"
#include "fviDiv.H"
#include "fvcSnGrad.H"
#include "fvcReconstruct.H"
#include "fvmLaplacian.H"
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
void Foam::solvers::twoPhaseSolver::incompressiblePressureCorrector
(
volScalarField& p
)
{
volScalarField& p_rgh = p_rgh_;
volVectorField& U = U_;
surfaceScalarField& phi(phi_);
fvVectorMatrix& UEqn = tUEqn.ref();
setrAU(UEqn);
const surfaceScalarField rAUf("rAUf", fvc::interpolate(rAU()));
while (pimple.correct())
{
volVectorField HbyA(constrainHbyA(rAU()*UEqn.H(), U, p_rgh));
surfaceScalarField phiHbyA
(
"phiHbyA",
fvc::flux(HbyA)
+ fvc::interpolate(rho*rAU())*fvc::ddtCorr(U, phi, Uf)
);
MRF.makeRelative(phiHbyA);
if (p_rgh.needReference())
{
fvc::makeRelative(phiHbyA, U);
adjustPhi(phiHbyA, U, p_rgh);
fvc::makeAbsolute(phiHbyA, U);
}
surfaceScalarField phig
(
(
surfaceTensionForce()
- buoyancy.ghf*fvc::snGrad(rho)
)*rAUf*mesh.magSf()
);
phiHbyA += phig;
// Update the pressure BCs to ensure flux consistency
constrainPressure(p_rgh, U, phiHbyA, rAUf, MRF);
// Cache any sources
fvScalarMatrix p_rghEqnSource
(
fvModels().sourceProxy(alpha1, p_rgh)
+ fvModels().sourceProxy(alpha2, p_rgh)
);
while (pimple.correctNonOrthogonal())
{
fvScalarMatrix p_rghEqn
(
fvi::div(phiHbyA) - fvm::laplacian(rAUf, p_rgh)
== p_rghEqnSource
);
p_rghEqn.setReference
(
pressureReference().refCell(),
getRefCellValue(p_rgh, pressureReference().refCell())
);
p_rghEqn.solve();
if (pimple.finalNonOrthogonalIter())
{
phi = phiHbyA + p_rghEqn.flux();
p_rgh.relax();
U = HbyA
+ rAU()*fvc::reconstruct((phig + p_rghEqn.flux())/rAUf);
U.correctBoundaryConditions();
fvConstraints().constrain(U);
}
}
continuityErrors();
// Correct Uf if the mesh is moving
fvc::correctUf(Uf, U, phi, MRF);
// Make the fluxes relative to the mesh motion
fvc::makeRelative(phi, U);
p == p_rgh + rho*buoyancy.gh;
if (p_rgh.needReference())
{
p += dimensionedScalar
(
"p",
p.dimensions(),
pressureReference().refValue()
- getRefCellValue(p, pressureReference().refCell())
);
p_rgh = p - rho*buoyancy.gh;
}
}
clearrAU();
tUEqn.clear();
}
// ************************************************************************* //
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