phaseLimitStabilisation.C

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License
    This file is part of OpenFOAM.

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    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
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\*---------------------------------------------------------------------------*/

#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()
{
    fieldName_ = coeffs().lookup<word>("field");
    rateName_ = coeffs().lookup<word>("rate");
    residualAlpha_ = coeffs().lookup<scalar>("residualAlpha");
}


template<class Type>
void Foam::fv::phaseLimitStabilisation::addSupType
(
    const volScalarField& alpha,
    const volScalarField& rho,
    fvMatrix<Type>& eqn,
    const word& fieldName
) const
{
    const GeometricField<Type, fvPatchField, volMesh>& psi = eqn.psi();

    uniformDimensionedScalarField& rate =
        mesh().lookupObjectRef<uniformDimensionedScalarField>(rateName_);

    eqn -= fvm::Sp(max(residualAlpha_ - alpha, scalar(0))*rho*rate, psi);
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::fv::phaseLimitStabilisation::phaseLimitStabilisation
(
    const word& name,
    const word& modelType,
    const dictionary& dict,
    const fvMesh& mesh
)
:
    fvModel(name, modelType, dict, mesh),
    fieldName_(word::null),
    rateName_(word::null),
    residualAlpha_(NaN)
{
    readCoeffs();
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

Foam::wordList Foam::fv::phaseLimitStabilisation::addSupFields() const
{
    return wordList(1, fieldName_);
}


FOR_ALL_FIELD_TYPES
(
    IMPLEMENT_FV_MODEL_ADD_ALPHA_RHO_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();
        return true;
    }
    else
    {
        return false;
    }
}


// ************************************************************************* //