SuperBee.H

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License
    This file is part of OpenFOAM.
 
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    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::SuperBeeLimiter
 
Description
    Class with limiter function which returns the limiter for the
    SuperBee interpolation scheme based on r obtained from the LimiterFunc
    class.
 
    Used in conjunction with the template class LimitedScheme.
 
SourceFiles
    SuperBee.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef SuperBee_H
#define SuperBee_H
 
#include "vector.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                       Class SuperBeeLimiter Declaration
\*---------------------------------------------------------------------------*/
 
template<class LimiterFunc>
class SuperBeeLimiter
:
    public LimiterFunc
{
 
public:
 
    SuperBeeLimiter(Istream&)
    {}
 
    scalar limiter
    (
        const scalar cdWeight,
        const scalar faceFlux,
        const typename LimiterFunc::phiType& phiP,
        const typename LimiterFunc::phiType& phiN,
        const typename LimiterFunc::gradPhiType& gradcP,
        const typename LimiterFunc::gradPhiType& gradcN,
        const vector& d
    ) const
    {
        scalar r = LimiterFunc::r
        (
            faceFlux, phiP, phiN, gradcP, gradcN, d
        );
 
        return max(max(min(2*r, 1), min(r, 2)), 0);
    }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //