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GAMGPreconditioner.H
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23 
24 Class
25  Foam::GAMGPreconditioner
26 
27 Description
28  Geometric agglomerated algebraic multigrid preconditioner.
29 
30 See also
31  GAMGSolver for more details.
32 
33 SourceFiles
34  GAMGPreconditioner.C
35 
36 \*---------------------------------------------------------------------------*/
37 
38 #ifndef GAMGPreconditioner_H
39 #define GAMGPreconditioner_H
40 
41 #include "GAMGSolver.H"
42 
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 
45 namespace Foam
46 {
47 
48 /*---------------------------------------------------------------------------*\
49  Class GAMGPreconditioner Declaration
50 \*---------------------------------------------------------------------------*/
51 
53 :
54  public GAMGSolver,
56 {
57 protected:
58  // Protected data
59 
60  //- Number of V-cycles to perform
62 
63  //- Read the control parameters from the controlDict_
64  virtual void readControls();
65 
66 public:
67 
68  //- Runtime type information
69  TypeName("GAMG");
70 
71 
72  // Constructors
73 
74  //- Construct from matrix components and preconditioner solver controls
76  (
77  const lduMatrix::solver&,
78  const dictionary& solverControls
79  );
80 
81 
82  //- Destructor
83  virtual ~GAMGPreconditioner();
84 
85 
86  // Member Functions
87 
88  //- Return wA the preconditioned form of residual rA
89  virtual void precondition
90  (
91  scalarField& wA,
92  const scalarField& rA,
93  const direction cmpt=0
94  ) const;
95 };
96 
97 
98 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
99 
100 } // End namespace Foam
101 
102 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
103 
104 #endif
105 
106 // ************************************************************************* //
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
GAMGPreconditioner(const lduMatrix::solver &, const dictionary &solverControls)
Construct from matrix components and preconditioner solver controls.
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:158
Geometric agglomerated algebraic multigrid preconditioner.
uint8_t direction
Definition: direction.H:45
virtual void readControls()
Read the control parameters from the controlDict_.
TypeName("GAMG")
Runtime type information.
virtual ~GAMGPreconditioner()
Destructor.
virtual void precondition(scalarField &wA, const scalarField &rA, const direction cmpt=0) const
Return wA the preconditioned form of residual rA.
Abstract base-class for lduMatrix solvers.
Definition: lduMatrix.H:93
label nVcycles_
Number of V-cycles to perform.
Geometric agglomerated algebraic multigrid solver.
Definition: GAMGSolver.H:70
Abstract base-class for lduMatrix preconditioners.
Definition: lduMatrix.H:410
Namespace for OpenFOAM.