PhaseLimitStabilization.C

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    Copyright (C) 2017 OpenFOAM Foundation
    Copyright (C) 2020-2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "PhaseLimitStabilization.H"
#include "fvMatrices.H"
#include "fvmSup.H"
#include "uniformDimensionedFields.H"

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

template<class Type>
Foam::fv::PhaseLimitStabilization<Type>::PhaseLimitStabilization
(
    const word& name,
    const word& modelType,
    const dictionary& dict,
    const fvMesh& mesh
)
:
    fv::option(name, modelType, dict, mesh),
    fieldName_(coeffs_.get<word>("field")),
    rateName_(coeffs_.get<word>("rate")),
    residualAlpha_(coeffs_.get<scalar>("residualAlpha"))
{
    fieldNames_.resize(1, fieldName_);
    fv::option::resetApplied();
}


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

template<class Type>
void Foam::fv::PhaseLimitStabilization<Type>::addSup
(
    const volScalarField& alpha,
    const volScalarField& rho,
    fvMatrix<Type>& eqn,
    const label fieldi
)
{
    const GeometricField<Type, fvPatchField, volMesh>& psi = eqn.psi();

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

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


template<class Type>
bool Foam::fv::PhaseLimitStabilization<Type>::read(const dictionary& dict)
{
    if (fv::option::read(dict))
    {
        coeffs_.readEntry("residualAlpha", residualAlpha_);

        return true;
    }

    return false;
}


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