transformFvPatchField.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
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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Class
    Foam::transformFvPatchField

Group
    grpGenericBoundaryConditions

Description
    Foam::transformFvPatchField

SourceFiles
    transformFvPatchField.C

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

#ifndef transformFvPatchField_H
#define transformFvPatchField_H

#include "fvPatchField.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                        Class transformFvPatch Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class transformFvPatchField
:
    public fvPatchField<Type>
{

public:

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


    // Constructors

        //- Construct from patch and internal field
        transformFvPatchField
        (
            const fvPatch&,
            const DimensionedField<Type, volMesh>&
        );

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

        //- Construct by mapping the given transformFvPatchField<Type>
        //  onto a new patch
        transformFvPatchField
        (
            const transformFvPatchField<Type>&,
            const fvPatch&,
            const DimensionedField<Type, volMesh>&,
            const fvPatchFieldMapper&
        );

        //- Construct as copy
        transformFvPatchField
        (
            const transformFvPatchField<Type>&
        );

        //- Construct and return a clone
        virtual tmp<fvPatchField<Type>> clone() const = 0;

        //- Construct as copy setting internal field reference
        transformFvPatchField
        (
            const transformFvPatchField<Type>&,
            const DimensionedField<Type, volMesh>&
        );

        //- Construct and return a clone setting internal field reference
        virtual tmp<fvPatchField<Type>> clone
        (
            const DimensionedField<Type, volMesh>&
        ) const = 0;


    // Member functions

        // Attributes

            //- Return true if the value of the patch field
            //  is altered by assignment
            virtual bool assignable() const
            {
                return true;
            }


        // Evaluation functions

            //- Return gradient at boundary
            virtual tmp<Field<Type>> snGrad() const = 0;

            //- Return face-gradient transform diagonal
            virtual tmp<Field<Type>> snGradTransformDiag() const = 0;

            //- Return the matrix diagonal coefficients corresponding to the
            //  evaluation of the value of this patchField with given weights
            virtual tmp<Field<Type>> valueInternalCoeffs
            (
                const tmp<scalarField>&
            ) const;

            //- Return the matrix source coefficients corresponding to the
            //  evaluation of the value of this patchField with given weights
            virtual tmp<Field<Type>> valueBoundaryCoeffs
            (
                const tmp<scalarField>&
            ) const;

            //- Return the matrix diagonal coefficients corresponding to the
            //  evaluation of the gradient of this patchField
            virtual tmp<Field<Type>> gradientInternalCoeffs() const;

            //- Return the matrix source coefficients corresponding to the
            //  evaluation of the gradient of this patchField
            virtual tmp<Field<Type>> gradientBoundaryCoeffs() const;


    // Member operators

        virtual void operator=(const fvPatchField<Type>&);
};


// * * * * * * * * * * * Template Specialisations  * * * * * * * * * * * * * //

template<>
tmp<scalarField> transformFvPatchField<scalar>::valueInternalCoeffs
(
    const tmp<scalarField>&
) const;

template<>
tmp<scalarField> transformFvPatchField<scalar>::gradientInternalCoeffs() const;


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

} // End namespace Foam

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

#ifdef NoRepository
    #include "transformFvPatchField.C"
#endif

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

#endif

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