FreeFOAM The Cross-Platform CFD Toolkit
FDICPreconditioner Class Reference

Faster version of the DICPreconditioner diagonal-based incomplete Cholesky preconditioner for symmetric matrices (symmetric equivalent of DILU) in which the the reciprocal of the preconditioned diagonal and the upper coefficients divided by the diagonal are calculated and stored. More...

#include <OpenFOAM/FDICPreconditioner.H>


Detailed Description

Faster version of the DICPreconditioner diagonal-based incomplete Cholesky preconditioner for symmetric matrices (symmetric equivalent of DILU) in which the the reciprocal of the preconditioned diagonal and the upper coefficients divided by the diagonal are calculated and stored.

Source files

Definition at line 53 of file FDICPreconditioner.H.

+ Inheritance diagram for FDICPreconditioner:
+ Collaboration diagram for FDICPreconditioner:

List of all members.

Public Member Functions

 TypeName ("FDIC")
 Runtime type information.
 FDICPreconditioner (const lduMatrix::solver &, const dictionary &solverControlsUnused)
 Construct from matrix components and preconditioner solver controls.
virtual ~FDICPreconditioner ()
virtual void precondition (scalarField &wA, const scalarField &rA, const direction cmpt=0) const
 Return wA the preconditioned form of residual rA.
- Public Member Functions inherited from lduMatrix::preconditioner
virtual const wordtype () const =0
 Runtime type information.
 declareRunTimeSelectionTable (autoPtr, preconditioner, symMatrix,(const solver &sol, const dictionary &solverControls),(sol, solverControls))
 declareRunTimeSelectionTable (autoPtr, preconditioner, asymMatrix,(const solver &sol, const dictionary &solverControls),(sol, solverControls))
 preconditioner (const solver &sol)
virtual ~preconditioner ()
virtual void read (const dictionary &)
 Read and reset the preconditioner parameters.
virtual void preconditionT (scalarField &wT, const scalarField &rT, const direction cmpt=0) const
 Return wT the transpose-matrix preconditioned form of.

Additional Inherited Members

- Static Public Member Functions inherited from lduMatrix::preconditioner
static word getName (const dictionary &)
 Find the preconditioner name (directly or from a sub-dictionary)
static autoPtr< preconditionerNew (const solver &sol, const dictionary &solverControls)
 Return a new preconditioner.
- Protected Attributes inherited from lduMatrix::preconditioner
const solversolver_
 Reference to the base-solver this preconditioner is used with.

Constructor & Destructor Documentation

FDICPreconditioner ( const lduMatrix::solver sol,
const dictionary solverControlsUnused 
)

Construct from matrix components and preconditioner solver controls.

Definition at line 43 of file FDICPreconditioner.C.

References sqr().

virtual ~FDICPreconditioner ( )
inlinevirtual

Definition at line 92 of file FDICPreconditioner.H.


Member Function Documentation

TypeName ( "FDIC"  )

Runtime type information.

void precondition ( scalarField wA,
const scalarField rA,
const direction  cmpt = 0 
) const
virtual

Return wA the preconditioned form of residual rA.

Implements lduMatrix::preconditioner.

Definition at line 88 of file FDICPreconditioner.C.

References UList< T >::begin(), and List< T >::size().


The documentation for this class was generated from the following files: