pressureInletVelocityFvPatchVectorField.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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Class
    Foam::pressureInletVelocityFvPatchVectorField

Group
    grpInletBoundaryConditions

Description
    This velocity inlet boundary condition is applied to patches where the
    pressure is specified.  The inflow velocity is obtained from the flux with
    a direction normal to the patch faces.

Usage
    Example of the boundary condition specification:
    \verbatim
    <patchName>
    {
        type            pressureInletVelocity;
        phi             phi;
        rho             rho;
        value           uniform 0;
    }
    \endverbatim

Note
    If reverse flow is possible or expected use
    the pressureInletOutletVelocityFvPatchVectorField condition instead.

See also
    Foam::fixedValueFvPatchField
    Foam::pressureInletOutletVelocityFvPatchVectorField

SourceFiles
    pressureInletVelocityFvPatchVectorField.C

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

#ifndef pressureInletVelocityFvPatchVectorField_H
#define pressureInletVelocityFvPatchVectorField_H

#include "fvPatchFields.H"
#include "fixedValueFvPatchFields.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
           Class pressureInletVelocityFvPatchVectorField Declaration
\*---------------------------------------------------------------------------*/

class pressureInletVelocityFvPatchVectorField
:
    public fixedValueFvPatchVectorField
{
    // Private data

        //- Flux field name
        word phiName_;

        //- Density field name
        word rhoName_;


public:

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


    // Constructors

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

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

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

        //- Construct as copy
        pressureInletVelocityFvPatchVectorField
        (
            const pressureInletVelocityFvPatchVectorField&
        );

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

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

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


    // Member Functions

        //- True: this patch field is altered by assignment
        virtual bool assignable() const { return true; }


        // Access

            //- Return the name of rho
            const word& rhoName() const
            {
                return rhoName_;
            }

            //- Return reference to the name of rho to allow adjustment
            word& rhoName()
            {
                return rhoName_;
            }

            //- Return the name of phi
            const word& phiName() const
            {
                return phiName_;
            }

            //- Return reference to the name of phi to allow adjustment
            word& phiName()
            {
                return phiName_;
            }


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

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


    // Member operators

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


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

} // End namespace Foam

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

#endif

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