midPoint.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    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
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    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::midPoint
 
Group
    grpFvSurfaceInterpolationSchemes
 
Description
    Mid-point interpolation (weighting factors = 0.5) scheme class.
 
SourceFiles
    midPoint.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef midPoint_H
#define midPoint_H
 
#include "surfaceInterpolationScheme.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class midPoint Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class midPoint
:
    public surfaceInterpolationScheme<Type>
{
    // Private Member Functions
 
        //- No copy assignment
        void operator=(const midPoint&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("midPoint");
 
 
    // Constructors
 
        //- Construct from mesh
        midPoint(const fvMesh& mesh)
        :
            surfaceInterpolationScheme<Type>(mesh)
        {}
 
        //- Construct from Istream
        midPoint(const fvMesh& mesh, Istream&)
        :
            surfaceInterpolationScheme<Type>(mesh)
        {}
 
        //- Construct from faceFlux and Istream
        midPoint
        (
            const fvMesh& mesh,
            const surfaceScalarField&,
            Istream&
        )
        :
            surfaceInterpolationScheme<Type>(mesh)
        {}
 
 
    // Member Functions
 
        //- Return the interpolation weighting factors
        tmp<surfaceScalarField> weights
        (
            const GeometricField<Type, fvPatchField, volMesh>&
        ) const
        {
            tmp<surfaceScalarField> taw
            (
                new surfaceScalarField
                (
                    IOobject
                    (
                        "midPointWeights",
                        this->mesh().time().timeName(),
                        this->mesh(),
                        IOobject::NO_READ,
                        IOobject::NO_WRITE,
                        false
                    ),
                    this->mesh(),
                    dimensionedScalar("0.5", dimless, 0.5)
                )
            );
 
            surfaceScalarField::Boundary& awBf =
                taw.ref().boundaryFieldRef();
 
            forAll(awBf, patchi)
            {
                if (!awBf[patchi].coupled())
                {
                    awBf[patchi] = 1.0;
                }
            }
 
            return taw;
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //