DICPreconditioner Class Reference

Simplified diagonal-based incomplete Cholesky preconditioner for symmetric matrices (symmetric equivalent of DILU). The reciprocal of the preconditioned diagonal is calculated and stored. More...

Inheritance diagram for DICPreconditioner:

Collaboration diagram for DICPreconditioner:

Public Member Functions
	TypeName ("DIC")
	DICPreconditioner (const lduMatrix::solver &, const dictionary &solverControlsUnused)
virtual	~DICPreconditioner ()=default
virtual void	precondition (solveScalarField &wA, const solveScalarField &rA, const direction cmpt=0) const
Public Member Functions inherited from lduMatrix::preconditioner
virtual const word &	type () const =0
	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 ()=default
virtual void	read (const dictionary &)
virtual void	preconditionT (solveScalarField &wT, const solveScalarField &rT, const direction cmpt=0) const

Static Public Member Functions
static void	calcReciprocalD (solveScalarField &, const lduMatrix &)
Static Public Member Functions inherited from lduMatrix::preconditioner
static word	getName (const dictionary &)
static autoPtr< preconditioner >	New (const solver &sol, const dictionary &solverControls)

Additional Inherited Members
Protected Attributes inherited from lduMatrix::preconditioner
const solver &	solver_

Detailed Description

Simplified diagonal-based incomplete Cholesky preconditioner for symmetric matrices (symmetric equivalent of DILU). The reciprocal of the preconditioned diagonal is calculated and stored.

Source files

• DICPreconditioner.H
• DICPreconditioner.C

Definition at line 52 of file DICPreconditioner.H.

Constructor & Destructor Documentation

DICPreconditioner()

DICPreconditioner	(	const lduMatrix::solver &	sol,
		const dictionary &	solverControlsUnused
	)

Definition at line 40 of file DICPreconditioner.C.

References Foam::diag(), lduMatrix::diag(), and lduMatrix::solver::matrix().

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~DICPreconditioner()

virtual ~DICPreconditioner ( )

virtualdefault

Member Function Documentation

TypeName()

TypeName

(

"DIC"

)

calcReciprocalD()

void calcReciprocalD ( solveScalarField &  rD, const lduMatrix &  matrix  )

static

Definition at line 58 of file DICPreconditioner.C.

References UList::begin(), lduMatrix::lduAddr(), lduAddressing::lowerAddr(), lduMatrix::upper(), and lduAddressing::upperAddr().

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precondition()

void precondition ( solveScalarField &  wA, const solveScalarField &  rA, const direction  cmpt = 0  ) const

virtual

Implements lduMatrix::preconditioner.

Definition at line 88 of file DICPreconditioner.C.

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

• src/OpenFOAM/matrices/lduMatrix/preconditioners/DICPreconditioner/DICPreconditioner.H
• src/OpenFOAM/matrices/lduMatrix/preconditioners/DICPreconditioner/DICPreconditioner.C