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

Inheritance diagram for FDICPreconditioner:

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Collaboration diagram for FDICPreconditioner:

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Public Member Functions
	TypeName ("FDIC")
	Runtime type information. More...

	FDICPreconditioner (const lduMatrix::solver &, const dictionary &solverControlsUnused)
	Construct from matrix components and preconditioner solver controls. More...

virtual	~FDICPreconditioner ()=default
	Destructor. More...

virtual void	precondition (solveScalarField &wA, const solveScalarField &rA, const direction cmpt=0) const
	Return wA the preconditioned form of residual rA. More...

Public Member Functions inherited from lduMatrix::preconditioner
virtual const word &	type () const =0
	Runtime type information. More...

	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)
	Construct for given solver. More...

virtual	~preconditioner ()=default
	Destructor. More...

virtual void	read (const dictionary &)
	Read and reset the preconditioner parameters from the given stream. More...

virtual void	preconditionT (solveScalarField &wT, const solveScalarField &rT, const direction cmpt=0) const
	Return wT the transpose-matrix preconditioned form of residual rT. More...

virtual void	setFinished (const solverPerformance &perf) const
	Signal end of solver. More...

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) More...

static autoPtr< preconditioner >	New (const solver &sol, const dictionary &solverControls)
	Return a new preconditioner. More...

Protected Attributes inherited from lduMatrix::preconditioner
const solver &	solver_
	Reference to the base-solver this preconditioner is used with. More...

Detailed Description

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

Source files

Definition at line 54 of file FDICPreconditioner.H.

Constructor & Destructor Documentation

◆ FDICPreconditioner()

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

Construct from matrix components and preconditioner solver controls.

Definition at line 40 of file FDICPreconditioner.C.

References UList< T >::begin(), Foam::diag(), lduMatrix::diag(), lduMatrix::solver::matrix(), and Foam::sqr().

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◆ ~FDICPreconditioner()

virtual ~FDICPreconditioner ( )

virtualdefault

Destructor.

Member Function Documentation

◆ TypeName()

TypeName ( "FDIC" )

Runtime type information.

◆ precondition()

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

virtual

Return wA the preconditioned form of residual rA.

Implements lduMatrix::preconditioner.

Definition at line 89 of file FDICPreconditioner.C.

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