/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2015 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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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
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    You should have received a copy of the GNU General Public License
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Class
    Foam::vanDriestDelta

Description
    Simple cube-root of cell volume delta used in incompressible LES models.

SourceFiles
    vanDriestDelta.C

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

#ifndef vanDriestDelta_H
#define vanDriestDelta_H

#include "LESdelta.H"

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

namespace Foam
{
namespace LESModels
{

/*---------------------------------------------------------------------------*\
                           Class vanDriestDelta Declaration
\*---------------------------------------------------------------------------*/

class vanDriestDelta
:
    public LESdelta
{
    // Private data

        autoPtr<LESdelta> geometricDelta_;
        scalar kappa_;
        scalar Aplus_;
        scalar Cdelta_;
        label calcInterval_;


    // Private Member Functions

        //- No copy construct
        vanDriestDelta(const vanDriestDelta&) = delete;

        //- No copy assignment
        void operator=(const vanDriestDelta&) = delete;

        // Calculate the delta values
        void calcDelta();


public:

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


    // Constructors

        //- Construct from name, turbulenceModel and dictionary
        vanDriestDelta
        (
            const word& name,
            const turbulenceModel& turbulence,
            const dictionary&
        );


    //- Destructor
    virtual ~vanDriestDelta() = default;


    // Member Functions

        //- Read the LESdelta dictionary
        virtual void read(const dictionary&);

        // Correct values
        virtual void correct();
};


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

} // End namespace LESModels
} // End namespace Foam

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

#endif

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