Simplified diagonal-based incomplete LU preconditioner for asymmetric matrices. The reciprocal of the preconditioned diagonal is calculated and stored. More...

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Public Member Functions
	TypeName ("DILU")

	DILUPreconditioner (const lduMatrix::solver &, const dictionary &solverControlsUnused)

virtual	~DILUPreconditioner ()=default

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

virtual void	preconditionT (solveScalarField &wT, const solveScalarField &rT, 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 &)

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 LU preconditioner for asymmetric matrices. The reciprocal of the preconditioned diagonal is calculated and stored.

Source files

Definition at line 52 of file DILUPreconditioner.H.

Constructor & Destructor Documentation

◆ DILUPreconditioner()

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

Definition at line 40 of file DILUPreconditioner.C.

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

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◆ ~DILUPreconditioner()

virtual ~DILUPreconditioner ( )

virtualdefault

Member Function Documentation

◆ TypeName()

TypeName ( "DILU" )

◆ calcReciprocalD()

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

static

Definition at line 58 of file DILUPreconditioner.C.

References UList::begin(), lduMatrix::lduAddr(), lduMatrix::lower(), 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 89 of file DILUPreconditioner.C.

◆ preconditionT()

void preconditionT	(	solveScalarField &	wT,
		const solveScalarField &	rT,
		const direction	cmpt = `0`
	)		const

virtual

Reimplemented from lduMatrix::preconditioner.

Definition at line 136 of file DILUPreconditioner.C.

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

src/OpenFOAM/matrices/lduMatrix/preconditioners/DILUPreconditioner/DILUPreconditioner.H
src/OpenFOAM/matrices/lduMatrix/preconditioners/DILUPreconditioner/DILUPreconditioner.C

Public Member Functions

Static Public Member Functions

Additional Inherited Members