LESfilter.H

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    Copyright (C) 2011-2016 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.
 
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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
    for more details.
 
    You should have received a copy of the GNU General Public License
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Class
    Foam::LESfilter
 
Description
    Abstract class for LES filters
 
SourceFiles
    LESfilter.C
    newFilter.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef LESfilter_H
#define LESfilter_H
 
#include "volFields.H"
#include "typeInfo.H"
#include "autoPtr.H"
#include "runTimeSelectionTables.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class fvMesh;
 
/*---------------------------------------------------------------------------*\
                           Class LESfilter Declaration
\*---------------------------------------------------------------------------*/
 
class LESfilter
{
    // Private data
 
        const fvMesh& mesh_;
 
 
    // Private Member Functions
 
        //- No copy construct
        LESfilter(const LESfilter&) = delete;
 
        //- No copy assignment
        void operator=(const LESfilter&) = delete;
 
 
protected:
 
    //- Temporary function to ensure the coupled boundary conditions of the
    //  field are correct for filtering.
    //
    //  Following the rewrite of the turbulence models to use
    //  GeometricField::InternalField for sources etc. delta() will return a
    //  GeometricField::InternalField and filters will take a
    //  tmp<GeometricField::InternalField> argument and handle the coupled BCs
    //  appropriately
    template<class GeoFieldType>
    void correctBoundaryConditions(const tmp<GeoFieldType>& tgf) const
    {
        tgf.constCast().correctBoundaryConditions();
    }
 
 
public:
 
    //- Runtime type information
    TypeName("LESfilter");
 
 
    // Declare run-time constructor selection table
 
        declareRunTimeSelectionTable
        (
            autoPtr,
            LESfilter,
            dictionary,
            (
                const fvMesh& mesh,
                const dictionary& LESfilterDict
            ),
            (mesh, LESfilterDict)
        );
 
 
    // Constructors
 
        //- Construct from components
        LESfilter(const fvMesh& mesh)
        :
            mesh_(mesh)
        {}
 
 
    // Selectors
 
        //- Return a reference to the selected LES filter
        static autoPtr<LESfilter> New
        (
            const fvMesh&,
            const dictionary&,
            const word& filterDictName="filter"
        );
 
 
    //- Destructor
    virtual ~LESfilter() = default;
 
 
    // Member Functions
 
        //- Return mesh reference
        const fvMesh& mesh() const
        {
            return mesh_;
        }
 
        //- Read the LESfilter dictionary
        virtual void read(const dictionary&) = 0;
 
 
    // Member Operators
 
        virtual tmp<volScalarField> operator()
        (
            const tmp<volScalarField>&
        ) const = 0;
 
        virtual tmp<volVectorField> operator()
        (
            const tmp<volVectorField>&
        ) const = 0;
 
        virtual tmp<volSymmTensorField> operator()
        (
            const tmp<volSymmTensorField>&
        ) const = 0;
 
        virtual tmp<volTensorField> operator()
        (
            const tmp<volTensorField>&
        ) const = 0;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //