anisotropicFilter.H

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
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    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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Class
    Foam::anisotropicFilter
 
Description
    anisotropic filter
 
    \verbatim
    Kernel                 as filter          as Test filter with ratio 2
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Box filter:            g = delta2/24  ->  g = delta2/6
    Spherical box filter:  g = delta2/64  ->  g = delta2/16
    Gaussian filter:       g = delta2/24  ->  g = delta2/6
    \endverbatim
 
SourceFiles
    anisotropicFilter.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef anisotropicFilter_H
#define anisotropicFilter_H
 
#include "LESfilter.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                      Class anisotropicFilter Declaration
\*---------------------------------------------------------------------------*/
 
class anisotropicFilter
:
    public LESfilter
{
    // Private Data
 
        scalar widthCoeff_;
        volVectorField coeff_;
 
 
    // Private Member Functions
 
        template<class Type>
        inline tmp<VolField<Type>> filter
        (
            const tmp<VolField<Type>>& unFilteredField
        ) const;
 
 
public:
 
    //- Runtime type information
    TypeName("anisotropic");
 
    // Constructors
 
        //- Construct from components
        anisotropicFilter(const fvMesh& mesh, scalar widthCoeff);
 
        //- Construct from IOdictionary
        anisotropicFilter(const fvMesh& mesh, const dictionary&);
 
        //- Disallow default bitwise copy construction
        anisotropicFilter(const anisotropicFilter&) = delete;
 
 
    //- Destructor
    virtual ~anisotropicFilter()
    {}
 
 
    // Member Functions
 
        //- Read the LESfilter dictionary
        virtual void read(const dictionary&);
 
 
    // Member Operators
 
        void operator=(const anisotropicFilter&) = delete;
 
        virtual tmp<volScalarField> operator()
        (
            const tmp<volScalarField>&
        ) const;
 
        virtual tmp<volVectorField> operator()
        (
            const tmp<volVectorField>&
        ) const;
 
        virtual tmp<volSymmTensorField> operator()
        (
            const tmp<volSymmTensorField>&
        ) const;
 
        virtual tmp<volTensorField> operator()
        (
            const tmp<volTensorField>&
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //