fixedNormalSlipFvPatchField.H

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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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    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
    Foam::fixedNormalSlipFvPatchField

Description
    This boundary condition sets the patch-normal component to a fixed value.

Usage
    \table
        Property     | Description             | Required    | Default value
        fixedValue   | fixed value             | yes         |
    \endtable

    Example of the boundary condition specification:
    \verbatim
    <patchName>
    {
        type            fixedNormalSlip;
        fixedValue      uniform 0;     // example entry for a scalar field
    }
    \endverbatim

See also
    Foam::transformFvPatchField

SourceFiles
    fixedNormalSlipFvPatchField.C

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

#ifndef fixedNormalSlipFvPatchField_H
#define fixedNormalSlipFvPatchField_H

#include "transformFvPatchField.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                 Class fixedNormalSlipFvPatchField Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class fixedNormalSlipFvPatchField
:
    public transformFvPatchField<Type>
{
    // Private data

        //- Value the normal component of which the boundary is set to
        Field<Type> fixedValue_;


public:

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


    // Constructors

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

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

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

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

        //- Construct and return a clone
        virtual tmp<fvPatchField<Type>> clone() const
        {
            return tmp<fvPatchField<Type>>
            (
                new fixedNormalSlipFvPatchField<Type>(*this)
            );
        }

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

        //- Construct and return a clone setting internal field reference
        virtual tmp<fvPatchField<Type>> clone
        (
            const DimensionedField<Type, volMesh>& iF
        ) const
        {
            return tmp<fvPatchField<Type>>
            (
                new fixedNormalSlipFvPatchField<Type>(*this, iF)
            );
        }


    // Member functions

        // Access

            //- Return false: this patch field is not altered by assignment
            virtual bool assignable() const
            {
                return false;
            }


        // Mapping functions

            //- Map (and resize as needed) from self given a mapping object
            virtual void autoMap
            (
                const fvPatchFieldMapper&
            );

            //- Reverse map the given fvPatchField onto this fvPatchField
            virtual void rmap
            (
                const fvPatchField<Type>&,
                const labelList&
            );


        // Return defining fields

            virtual Field<Type>& fixedValue()
            {
                return fixedValue_;
            }

            virtual const Field<Type>& fixedValue() const
            {
                return fixedValue_;
            }


        // Evaluation functions

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

            //- Evaluate the patch field
            virtual void evaluate
            (
                const Pstream::commsTypes commsType =
                    Pstream::commsTypes::blocking
            );

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


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


    // Member operators

        virtual void operator=(const UList<Type>&) {}

        virtual void operator=(const fvPatchField<Type>&) {}
        virtual void operator+=(const fvPatchField<Type>&) {}
        virtual void operator-=(const fvPatchField<Type>&) {}
        virtual void operator*=(const fvPatchField<scalar>&) {}
        virtual void operator/=(const fvPatchField<scalar>&) {}

        virtual void operator+=(const Field<Type>&) {}
        virtual void operator-=(const Field<Type>&) {}

        virtual void operator*=(const Field<scalar>&) {}
        virtual void operator/=(const Field<scalar>&) {}

        virtual void operator=(const Type&) {}
        virtual void operator+=(const Type&) {}
        virtual void operator-=(const Type&) {}
        virtual void operator*=(const scalar) {}
        virtual void operator/=(const scalar) {}
};


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

} // End namespace Foam

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

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

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

#endif

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