DILUGaussSeidelSmoother.H

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    Copyright (C) 2011 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    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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    You should have received a copy of the GNU General Public License
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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
        (
            solveScalarField& psi,
            const scalarField& Source,
            const direction cmpt,
            const label nSweeps
        ) const;
 
        //- Smooth the solution for a given number of sweeps
        void scalarSmooth
        (
            solveScalarField& psi,
            const solveScalarField& source,
            const direction cmpt,
            const label nSweeps
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //