113d07862c
The mixture compressibility/density is now included in CorrectPhi for compressible mixtures, consistent with the compressibility handling in the pressure equation. This improves consistency, robustness and convergence of the pcorr equation.
164 lines
4.1 KiB
C++
164 lines
4.1 KiB
C++
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration | Website: https://openfoam.org
|
|
\\ / A nd | Copyright (C) 2023 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 "twoPhaseVoFSolver.H"
|
|
#include "localEulerDdtScheme.H"
|
|
#include "fvcAverage.H"
|
|
|
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
namespace solvers
|
|
{
|
|
defineTypeNameAndDebug(twoPhaseVoFSolver, 0);
|
|
}
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
|
|
|
|
void Foam::solvers::twoPhaseVoFSolver::correctCoNum()
|
|
{
|
|
VoFSolver::correctCoNum();
|
|
|
|
const scalarField sumPhi
|
|
(
|
|
interface.nearInterface()().primitiveField()
|
|
*fvc::surfaceSum(mag(phi))().primitiveField()
|
|
);
|
|
|
|
alphaCoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
|
|
|
|
const scalar meanAlphaCoNum =
|
|
0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
|
|
|
|
Info<< "Interface Courant Number mean: " << meanAlphaCoNum
|
|
<< " max: " << alphaCoNum << endl;
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * //
|
|
|
|
void Foam::solvers::twoPhaseVoFSolver::correctInterface()
|
|
{
|
|
interface.correct();
|
|
}
|
|
|
|
|
|
Foam::tmp<Foam::surfaceScalarField>
|
|
Foam::solvers::twoPhaseVoFSolver::surfaceTensionForce() const
|
|
{
|
|
return interface.surfaceTensionForce();
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
Foam::solvers::twoPhaseVoFSolver::twoPhaseVoFSolver
|
|
(
|
|
fvMesh& mesh,
|
|
autoPtr<twoPhaseVoFMixture> mixturePtr
|
|
)
|
|
:
|
|
VoFSolver(mesh, autoPtr<VoFMixture>(mixturePtr.ptr())),
|
|
|
|
mixture(refCast<twoPhaseVoFMixture>(VoFSolver::mixture)),
|
|
|
|
alpha1(mixture.alpha1()),
|
|
alpha2(mixture.alpha2()),
|
|
|
|
alphaRestart
|
|
(
|
|
typeIOobject<surfaceScalarField>
|
|
(
|
|
IOobject::groupName("alphaPhi", alpha1.group()),
|
|
runTime.name(),
|
|
mesh,
|
|
IOobject::READ_IF_PRESENT,
|
|
IOobject::AUTO_WRITE
|
|
).headerOk()
|
|
),
|
|
|
|
interface(mixture, alpha1, alpha2, U),
|
|
|
|
alphaPhi1
|
|
(
|
|
IOobject
|
|
(
|
|
IOobject::groupName("alphaPhi", alpha1.group()),
|
|
runTime.name(),
|
|
mesh,
|
|
IOobject::READ_IF_PRESENT,
|
|
IOobject::AUTO_WRITE
|
|
),
|
|
phi*fvc::interpolate(alpha1)
|
|
)
|
|
{
|
|
mesh.schemes().setFluxRequired(alpha1.name());
|
|
|
|
if (alphaRestart)
|
|
{
|
|
Info << "Restarting alpha" << endl;
|
|
}
|
|
|
|
if (transient())
|
|
{
|
|
correctCoNum();
|
|
}
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
|
|
|
|
Foam::solvers::twoPhaseVoFSolver::~twoPhaseVoFSolver()
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
|
|
|
|
void Foam::solvers::twoPhaseVoFSolver::preSolve()
|
|
{
|
|
VoFSolver::preSolve();
|
|
|
|
// Do not apply previous time-step mesh compression flux
|
|
// if the mesh topology changed
|
|
if (mesh().topoChanged())
|
|
{
|
|
talphaPhi1Corr0.clear();
|
|
}
|
|
}
|
|
|
|
|
|
void Foam::solvers::twoPhaseVoFSolver::prePredictor()
|
|
{
|
|
VoFSolver::prePredictor();
|
|
|
|
alphaPredictor();
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|