fixedMeanFvPatchField.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2012-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::fixedMeanFvPatchField

Group
    grpInletBoundaryConditions

Description
    This boundary condition extrapolates field to the patch using the near-cell
    values and adjusts the distribution to match the specified, optionally
    time-varying, mean value.

Usage
    \table
        Property     | Description             | Required    | Default value
        meanValue    | mean value Function1    | yes         |
    \endtable

    Example of the boundary condition specification:
    \verbatim
    <patchName>
    {
        type            fixedMean;
        meanValue       1.0;
    }
    \endverbatim

See also
    Foam::fixedValueFvPatchField
    Foam::Function1Types

SourceFiles
    fixedMeanFvPatchField.C

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

#ifndef fixedMeanFvPatchField_H
#define fixedMeanFvPatchField_H

#include "fixedValueFvPatchFields.H"
#include "Function1.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                  Class fixedMeanFvPatchField Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class fixedMeanFvPatchField
:
    public fixedValueFvPatchField<Type>
{
    // Private data

        //- MeanValue value the field is adjusted to maintain
        autoPtr<Function1<Type>> meanValue_;


public:

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


    // Constructors

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

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

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

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

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

        //- Return a clone
        virtual tmp<fvPatchField<Type>> clone() const
        {
            return fvPatchField<Type>::Clone(*this);
        }

        //- Clone with an internal field reference
        virtual tmp<fvPatchField<Type>> clone
        (
            const DimensionedField<Type, volMesh>& iF
        ) const
        {
            return fvPatchField<Type>::Clone(*this, iF);
        }


    // Member functions

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

        //- Write
        virtual void write(Ostream&) const;
};


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

} // End namespace Foam

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

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

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

#endif

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