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...

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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...

	FDICPreconditioner (const FDICPreconditioner &)=delete
	Disallow default bitwise copy construction. More...

virtual	~FDICPreconditioner ()
	Destructor. More...

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

void	operator= (const FDICPreconditioner &)=delete
	Disallow default bitwise assignment. 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)

virtual	~preconditioner ()
	Destructor. More...

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

virtual void	preconditionT (scalarField &wT, const scalarField &rT, const direction cmpt=0) const
	Return wT the transpose-matrix preconditioned form of. 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 52 of file FDICPreconditioner.H.

Constructor & Destructor Documentation

◆ FDICPreconditioner() [1/2]

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

Construct from matrix components and preconditioner solver controls.

Definition at line 42 of file FDICPreconditioner.C.

References UList< T >::begin(), lduMatrix::lduAddr(), lduAddressing::lowerAddr(), lduMatrix::solver::matrix(), List< T >::size(), lduMatrix::preconditioner::solver_, Foam::sqr(), lduMatrix::upper(), and lduAddressing::upperAddr().

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◆ FDICPreconditioner() [2/2]

FDICPreconditioner ( const FDICPreconditioner & )

delete

Disallow default bitwise copy construction.

◆ ~FDICPreconditioner()

virtual ~FDICPreconditioner ( )

inlinevirtual

Destructor.

Definition at line 84 of file FDICPreconditioner.H.

Member Function Documentation

◆ TypeName()

TypeName ( "FDIC" )

Runtime type information.

◆ precondition()

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().

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◆ operator=()

void operator= ( const FDICPreconditioner & )