DILUGaussSeidelSmoother.H

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Class
    Foam::DILUGaussSeidelSmoother

Description
    Combined DILU/GaussSeidel smoother for asymmetric matrices in which
    DILU smoothing is followed by GaussSeidel to ensure that any "spikes"
    created by the DILU sweeps are smoothed-out.

SourceFiles
    DILUGaussSeidelSmoother.C

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

#ifndef DILUGaussSeidelSmoother_H
#define DILUGaussSeidelSmoother_H

#include "DILUSmoother.H"
#include "GaussSeidelSmoother.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                   Class DILUGaussSeidelSmoother Declaration
\*---------------------------------------------------------------------------*/

class DILUGaussSeidelSmoother
:
    public lduMatrix::smoother
{
    // Private data

        DILUSmoother diluSmoother_;

        GaussSeidelSmoother gsSmoother_;


public:

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


    // Constructors

        //- Construct from matrix components
        DILUGaussSeidelSmoother
        (
            const word& fieldName,
            const lduMatrix& matrix,
            const FieldField<Field, scalar>& interfaceBouCoeffs,
            const FieldField<Field, scalar>& interfaceIntCoeffs,
            const lduInterfaceFieldPtrsList& interfaces
        );


    // Member Functions

        //- Smooth the solution for a given number of sweeps
        virtual void smooth
        (
            scalarField& psi,
            const scalarField& Source,
            const direction cmpt,
            const label nSweeps
        ) const;
};


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

} // End namespace Foam

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

#endif

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