44 #ifndef GAMGPreconditioner_H 45 #define GAMGPreconditioner_H
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 a number of values (eg...
Geometric agglomerated algebraic multigrid preconditioner.
virtual void readControls()
Read the control parameters from the controlDict_.
TypeName("GAMG")
Runtime type information.
Abstract base-class for lduMatrix solvers.
label nVcycles_
Number of V-cycles to perform.
Geometric agglomerated algebraic multigrid solver.
Abstract base-class for lduMatrix preconditioners.
virtual void precondition(solveScalarField &wA, const solveScalarField &rA, const direction cmpt=0) const
Return wA the preconditioned form of residual rA.
virtual ~GAMGPreconditioner()=default
Destructor.