| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation | |
| \\/ M anipulation | | |
| ------------------------------------------------------------------------------- | |
| 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::PCG | |
| Description | |
| Preconditioned conjugate gradient solver for symmetric lduMatrices | |
| using a run-time selectable preconditioner. | |
| SourceFiles | |
| PCG.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| /*---------------------------------------------------------------------------*\ | |
| Class PCG Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class PCG | |
| : | |
| public lduMatrix::solver | |
| { | |
| public: | |
| //- Runtime type information | |
| TypeName("PCG"); | |
| // Constructors | |
| //- Construct from matrix components and solver controls | |
| PCG | |
| ( | |
| const word& fieldName, | |
| const lduMatrix& matrix, | |
| const Field<Field<scalar>>& interfaceBouCoeffs, | |
| const Field<Field<scalar>>& interfaceIntCoeffs, | |
| const lduInterfaceFieldPtrsList& interfaces, | |
| const dictionary& solverControls | |
| ); | |
| //- Disallow default bitwise copy construction | |
| PCG(const PCG&) = delete; | |
| //- Destructor | |
| virtual ~PCG() | |
| {} | |
| // Member Functions | |
| //- Solve the matrix with this solver | |
| virtual solverPerformance solve | |
| ( | |
| scalarField& psi, | |
| const scalarField& source, | |
| const direction cmpt=0 | |
| ) const; | |
| // Member Operators | |
| //- Disallow default bitwise assignment | |
| void operator=(const PCG&) = delete; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |