phaseLimitStabilisation.C

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    \\  /    A nd           | Copyright (C) 2017-2024 OpenFOAM Foundation
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-------------------------------------------------------------------------------
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
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    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 "phaseLimitStabilisation.H"
#include "fvMatrices.H"
#include "fvmSup.H"
#include "uniformDimensionedFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace fv
{
    defineTypeNameAndDebug(phaseLimitStabilisation, 0);
 
    addToRunTimeSelectionTable
    (
        fvModel,
        phaseLimitStabilisation,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::fv::phaseLimitStabilisation::readCoeffs(const dictionary& dict)
{
    fieldName_ = dict.lookup<word>("field");
    rateName_ = dict.lookup<word>("rate");
    residualAlpha_ = dict.lookup<scalar>("residualAlpha");
}
 
 
template<class Type>
void Foam::fv::phaseLimitStabilisation::addSupType
(
    const volScalarField& alpha,
    const VolField<Type>& field,
    fvMatrix<Type>& eqn
) const
{
    const uniformDimensionedScalarField& rate =
        mesh().lookupObjectRef<uniformDimensionedScalarField>(rateName_);
 
    eqn -= fvm::Sp(max(residualAlpha_ - alpha, scalar(0))*rate, eqn.psi());
}
 
 
template<class Type>
void Foam::fv::phaseLimitStabilisation::addSupType
(
    const volScalarField& alpha,
    const volScalarField& rho,
    const VolField<Type>& field,
    fvMatrix<Type>& eqn
) const
{
    const uniformDimensionedScalarField& rate =
        mesh().lookupObjectRef<uniformDimensionedScalarField>(rateName_);
 
    eqn -= fvm::Sp(max(residualAlpha_ - alpha, scalar(0))*rho*rate, eqn.psi());
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fv::phaseLimitStabilisation::phaseLimitStabilisation
(
    const word& name,
    const word& modelType,
    const fvMesh& mesh,
    const dictionary& dict
)
:
    fvModel(name, modelType, mesh, dict),
    fieldName_(word::null),
    rateName_(word::null),
    residualAlpha_(NaN)
{
    readCoeffs(coeffs(dict));
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::wordList Foam::fv::phaseLimitStabilisation::addSupFields() const
{
    return wordList(1, fieldName_);
}
 
 
FOR_ALL_FIELD_TYPES
(
    IMPLEMENT_FV_MODEL_ADD_RHO_FIELD_SUP,
    fv::phaseLimitStabilisation
)
 
 
FOR_ALL_FIELD_TYPES
(
    IMPLEMENT_FV_MODEL_ADD_ALPHA_RHO_FIELD_SUP,
    fv::phaseLimitStabilisation
)
 
 
bool Foam::fv::phaseLimitStabilisation::movePoints()
{
    return true;
}
 
 
void Foam::fv::phaseLimitStabilisation::topoChange(const polyTopoChangeMap&)
{}
 
 
void Foam::fv::phaseLimitStabilisation::mapMesh(const polyMeshMap& map)
{}
 
 
void Foam::fv::phaseLimitStabilisation::distribute
(
    const polyDistributionMap&
)
{}
 
 
bool Foam::fv::phaseLimitStabilisation::read(const dictionary& dict)
{
    if (fvModel::read(dict))
    {
        readCoeffs(coeffs(dict));
        return true;
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //