/*---------------------------------------------------------------------------*\
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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
    (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/>.

Class
    Foam::RASModels::fWallFunctionFvPatchScalarField

Description
    This boundary condition provides a turbulence damping function, f, wall
    function condition for low- and high Reynolds number, turbulent flow cases

    The model operates in two modes, based on the computed laminar-to-turbulent
    switch-over y+ value derived from kappa and E specified in the corresponding
    nutWallFunction.

Usage
    Example of the boundary condition specification:
    \verbatim
    <patchName>
    {
        type            fWallFunction;
    }
    \endverbatim

See also
    Foam::fixedValueFvPatchField

SourceFiles
    fWallFunctionFvPatchScalarField.C

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

#ifndef fWallFunctionFvPatchScalarField_H
#define fWallFunctionFvPatchScalarField_H

#include "fixedValueFvPatchField.H"

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

namespace Foam
{
namespace RASModels
{

/*---------------------------------------------------------------------------*\
               Class fWallFunctionFvPatchScalarField Declaration
\*---------------------------------------------------------------------------*/

class fWallFunctionFvPatchScalarField
:
    public fixedValueFvPatchField<scalar>
{

public:

    //- Runtime type information
    TypeName("fWallFunction");


    // Constructors

        //- Construct from patch, internal field and dictionary
        fWallFunctionFvPatchScalarField
        (
            const fvPatch&,
            const DimensionedField<scalar, volMesh>&,
            const dictionary&
        );

        //- Construct by mapping given fWallFunctionFvPatchScalarField
        //  onto a new patch
        fWallFunctionFvPatchScalarField
        (
            const fWallFunctionFvPatchScalarField&,
            const fvPatch&,
            const DimensionedField<scalar, volMesh>&,
            const fieldMapper&
        );

        //- Disallow copy without setting internal field reference
        fWallFunctionFvPatchScalarField
        (
            const fWallFunctionFvPatchScalarField&
        ) = delete;

        //- Copy constructor setting internal field reference
        fWallFunctionFvPatchScalarField
        (
            const fWallFunctionFvPatchScalarField&,
            const DimensionedField<scalar, volMesh>&
        );

        //- Construct and return a clone setting internal field reference
        virtual tmp<fvPatchScalarField> clone
        (
            const DimensionedField<scalar, volMesh>& iF
        ) const
        {
            return tmp<fvPatchScalarField>
            (
                new fWallFunctionFvPatchScalarField(*this, iF)
            );
        }


    // Member Functions

        // Evaluation functions

            //- Update the coefficients associated with the patch field
            virtual void updateCoeffs();
};


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

} // End namespace RASModels
} // End namespace Foam

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

#endif

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