ddtScheme.C

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/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2011-2024 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
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
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#include "fv.H"
#include "HashTable.H"
#include "surfaceInterpolate.H"
#include "fvMatrix.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fv
{
 
// * * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * //
 
template<class Type>
tmp<ddtScheme<Type>> ddtScheme<Type>::New
(
    const fvMesh& mesh,
    Istream& schemeData
)
{
    if (fv::debug)
    {
        InfoInFunction << "Constructing ddtScheme<Type>" << endl;
    }
 
    if (schemeData.eof())
    {
        FatalIOErrorInFunction
        (
            schemeData
        )   << "Ddt scheme not specified" << endl << endl
            << "Valid ddt schemes are :" << endl
            << IstreamConstructorTablePtr_->sortedToc()
            << exit(FatalIOError);
    }
 
    const word schemeName(schemeData);
 
    typename IstreamConstructorTable::iterator cstrIter =
        IstreamConstructorTablePtr_->find(schemeName);
 
    if (cstrIter == IstreamConstructorTablePtr_->end())
    {
        FatalIOErrorInFunction
        (
            schemeData
        )   << "Unknown ddt scheme " << schemeName << nl << nl
            << "Valid ddt schemes are :" << endl
            << IstreamConstructorTablePtr_->sortedToc()
            << exit(FatalIOError);
    }
 
    return cstrIter()(mesh, schemeData);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class Type>
ddtScheme<Type>::~ddtScheme()
{}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<class Type>
tmp<VolField<Type>> ddtScheme<Type>::fvcDdt
(
    const volScalarField& alpha,
    const volScalarField& rho,
    const VolField<Type>& vf
)
{
    NotImplemented;
 
    return tmp<VolField<Type>>
    (
        VolField<Type>::null()
    );
}
 
 
template<class Type>
tmp<fvMatrix<Type>> ddtScheme<Type>::fvmDdt
(
    const volScalarField& alpha,
    const volScalarField& rho,
    const VolField<Type>& vf
)
{
    NotImplemented;
 
    return tmp<fvMatrix<Type>>
    (
        new fvMatrix<Type>
        (
            vf,
            alpha.dimensions()*rho.dimensions()
            *vf.dimensions()*dimVolume/dimTime
        )
    );
}
 
 
template<class Type>
tmp<SurfaceField<Type>> ddtScheme<Type>::fvcDdt
(
    const SurfaceField<Type>& sf
)
{
    NotImplemented;
 
    return tmp<SurfaceField<Type>>
    (
        SurfaceField<Type>::null()
    );
}
 
 
 
template<class Type>
tmp<surfaceScalarField> ddtScheme<Type>::fvcDdtPhiCoeff
(
    const VolField<Type>& U,
    const fluxFieldType& phi,
    const fluxFieldType& phiCorr
)
{
    // Courant number limited formulation
    /*
    tmp<surfaceScalarField> tddtCouplingCoeff = scalar(1)
      - min
        (
            mag(phiCorr)
           *mesh().time().deltaT()*mesh().deltaCoeffs()/mesh().magSf(),
            scalar(1)
        );
    */
 
    // Flux normalised formulation
    tmp<surfaceScalarField> tddtCouplingCoeff = scalar(1)
      - min
        (
            mag(phiCorr)
           /(mag(phi) + dimensionedScalar("small", phi.dimensions(), SMALL)),
            scalar(1)
        );
 
    surfaceScalarField& ddtCouplingCoeff = tddtCouplingCoeff.ref();
 
    surfaceScalarField::Boundary& ccbf = ddtCouplingCoeff.boundaryFieldRef();
 
    forAll(U.boundaryField(), patchi)
    {
        if (!U.boundaryField()[patchi].coupled())
        {
            ccbf[patchi] = 0;
        }
    }
 
    if (debug > 1)
    {
        InfoInFunction
            << "ddtCouplingCoeff mean max min = "
            << gAverage(ddtCouplingCoeff.primitiveField())
            << " " << gMax(ddtCouplingCoeff.primitiveField())
            << " " << gMin(ddtCouplingCoeff.primitiveField())
            << endl;
    }
 
    return tddtCouplingCoeff;
}
 
 
template<class Type>
tmp<surfaceScalarField> ddtScheme<Type>::fvcDdtPhiCoeff
(
    const VolField<Type>& U,
    const fluxFieldType& phi,
    const fluxFieldType& phiCorr,
    const volScalarField& rho
)
{
    return fvcDdtPhiCoeff(U, phi, phiCorr);
}
 
 
template<class Type>
tmp<surfaceScalarField> ddtScheme<Type>::fvcDdtPhiCoeff
(
    const VolField<Type>& U,
    const fluxFieldType& phi
)
{
    return fvcDdtPhiCoeff(U, phi, phi - fvc::dotInterpolate(mesh().Sf(), U));
}
 
 
template<class Type>
tmp<surfaceScalarField> ddtScheme<Type>::fvcDdtPhiCoeff
(
    const VolField<Type>& U,
    const fluxFieldType& phi,
    const volScalarField& rho
)
{
    return fvcDdtPhiCoeff
    (
        U,
        phi,
        (phi - fvc::dotInterpolate(mesh().Sf(), U))
    );
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fv
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //