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PoissonOp Class Reference

one-sided differencing version of poisson operator More...

#include <PoissonOp.H>

Inheritance diagram for PoissonOp:

[legend]Collaboration diagram for PoissonOp:

Public Methods
	PoissonOp ()
	Default constructor.
	~PoissonOp ()
	Destructor.
virtual LevelOp *	new_levelop () const
	Virtual constructor workaround.
void	levelGSMC (LevelData< FArrayBox > &a_phi, const LevelData< FArrayBox > &a_rhs)
virtual bool	isDefined () const
	Has this object been defined?
void	define (const DisjointBoxLayout &a_grids, const DisjointBoxLayout *a_baseBAPtr, Real a_dxLevel, int a_refRatio, const ProblemDomain &a_domain, bool a_homogeneousOnly=false, int a_ncomp=1)
	Full define function.
void	define (const LevelOp *a_opfine, int a_reftoFine)
	Full define function. Define from finer levelop.
void	define (const DisjointBoxLayout &a_grids, const DisjointBoxLayout *a_baseBAPtr, Real a_dxLevel, int a_refRatio, const Box &a_domain, bool a_homogeneousOnly=false, int a_ncomp=1)
	Full define function (Deprecated -- use ProblemDomain version).
void	smooth (LevelData< FArrayBox > &a_phi, const LevelData< FArrayBox > &a_rhs)
	Smoother.
virtual void	levelPreconditioner (LevelData< FArrayBox > &a_phihat, const LevelData< FArrayBox > &a_rhshat)
	Apply preconditioning to the solution on this level.
void	applyOpI (LevelData< FArrayBox > &a_phi, const LevelData< FArrayBox > *a_phicPtr, LevelData< FArrayBox > &a_lofPhi)
	Evaluate Operator, inhomogeneous boundary conditions.
void	applyOpIcfHphys (LevelData< FArrayBox > &a_phi, const LevelData< FArrayBox > *a_phicPtr, LevelData< FArrayBox > &a_lofPhi)
	Evaluate Operator, mixed boundary conditions.
void	applyOpH (LevelData< FArrayBox > &a_phi, LevelData< FArrayBox > &a_lofPhi)
	Evaluate Operator using homogeneous boundary conditions.
void	CFInterp (LevelData< FArrayBox > &a_phif, const LevelData< FArrayBox > &a_phic)
	Coarse / Fine interpolation operator.
void	applyOpHcfIphys (LevelData< FArrayBox > &a_phi, LevelData< FArrayBox > &a_lOfPhi)
	Evaluate Operator.
void	homogeneousCFInterp (LevelData< FArrayBox > &a_phif)
	Homogeneous coarse/fine interpolation operator.
void	setDomainGhostBC (const DomainGhostBC &a_dombcin)
	Set physical boundary condition types.
void	setBottomSmoother (const BaseBottomSmoother &a_bottomSmoother)
	Set the bottom smoother to use in solve.
void	homogeneousCFInterp (LevelData< FArrayBox > &a_phif, const DataIndex &a_datInd, int a_idir, Side::LoHiSide a_hiorlo)
	Does homogeneous coarse/fine interpolation.
void	bottomSmoother (LevelData< FArrayBox > &a_phi, const LevelData< FArrayBox > &a_rhs)
	This performs the smoothing at the bottom of a multigrid V-cycle.
void	getFlux (FArrayBox &a_fineFlux, const FArrayBox &a_data, const DataIndex &a_datInd, int a_dir)
	Get flux on this level in the direction dir on the given Box.
virtual void	setConvergenceMetric (Real a_metric, int a_comp)
	pass-through to bottom smoother
Protected Attributes
DomainGhostBC	m_domghostbc
ProblemDomain	m_domain
DisjointBoxLayout	m_grids
Copier	m_exchangeCopier
DisjointBoxLayout	m_baseBA
int	m_ncomp
int	m_refRatio
Real	m_dxLevel
Real	m_dxCrse
QuadCFInterp	m_quadCFI
BaseBottomSmoother *	m_bottomSmootherPtr
bool	m_isDefined
bool	m_isBCDefined
bool	m_ihcfiEnabled
LayoutData< CFIVS >	m_loCFIVS [SpaceDim]
LayoutData< CFIVS >	m_hiCFIVS [SpaceDim]

Detailed Description

one-sided differencing version of poisson operator

this class contains stuff to solve div (grad phi) = rhs

Constructor & Destructor Documentation

PoissonOp::PoissonOp ( )

Default constructor.

PoissonOp::~PoissonOp ( )

Destructor.

Member Function Documentation

void PoissonOp::applyOpH ( LevelData< FArrayBox > & a_phi,

LevelData< FArrayBox > & a_lofPhi

) [virtual]

Evaluate Operator using homogeneous boundary conditions.
Uses homogeneous form of both coarse-fine and physical boundary conditions.
Implements LevelOp.

void PoissonOp::applyOpHcfIphys ( LevelData< FArrayBox > & a_phi,

LevelData< FArrayBox > & a_lOfPhi

) [virtual]

Evaluate Operator.
Uses homogeneous form of C/F boundary conditions. with inhomogeneous physical boundary conditions
Implements LevelOp.

void PoissonOp::applyOpI ( LevelData< FArrayBox > & a_phi,

const LevelData< FArrayBox > * a_phicPtr,

LevelData< FArrayBox > & a_lofPhi

) [virtual]

Evaluate Operator, inhomogeneous boundary conditions.
Uses inhomogeneous C/F boundary conditions. and inhomogeneous phys boundary conditions
Implements LevelOp.

void PoissonOp::applyOpIcfHphys ( LevelData< FArrayBox > & a_phi,

const LevelData< FArrayBox > * a_phicPtr,

LevelData< FArrayBox > & a_lofPhi

) [virtual]

Evaluate Operator, mixed boundary conditions.
Uses inhomogeneous form of C/F boundary conditions. and homogeneous physical boundary conditions
Implements LevelOp.

void PoissonOp::bottomSmoother ( LevelData< FArrayBox > & a_phi,

const LevelData< FArrayBox > & a_rhs

) [virtual]

This performs the smoothing at the bottom of a multigrid V-cycle.

Implements LevelOp.

void PoissonOp::CFInterp ( LevelData< FArrayBox > & a_phif,

const LevelData< FArrayBox > & a_phic

) [virtual]

Coarse / Fine interpolation operator.

Implements LevelOp.

void PoissonOp::define ( const DisjointBoxLayout & a_grids,

const DisjointBoxLayout * a_baseBAPtr,

Real a_dxLevel,

int a_refRatio,

const Box & a_domain,

bool a_homogeneousOnly = false,

int a_ncomp = 1

) [virtual]

Full define function (Deprecated -- use ProblemDomain version).
Full define function. makes all coarse-fine information and sets internal variables
Implements LevelOp.

void PoissonOp::define ( const LevelOp * a_opfine,

int a_reftoFine

) [virtual]

Full define function. Define from finer levelop.

Implements LevelOp.

void PoissonOp::define ( const DisjointBoxLayout & a_grids,

const DisjointBoxLayout * a_baseBAPtr,

Real a_dxLevel,

int a_refRatio,

const ProblemDomain & a_domain,

bool a_homogeneousOnly = false,

int a_ncomp = 1

) [virtual]

Full define function.
Makes all coarse-fine information and sets internal variables
Implements LevelOp.

void PoissonOp::getFlux ( FArrayBox & a_fineFlux,

const FArrayBox & a_data,

const DataIndex & a_datInd,

int a_dir

) [virtual]

Get flux on this level in the direction dir on the given Box.
The fluxes live on the cell faces with direction a_dir. Fluxes are computed for all interior edges of a_data. The flux fab is resized inside the routine.
Implements LevelOp.

void PoissonOp::homogeneousCFInterp ( LevelData< FArrayBox > & a_phif,

const DataIndex & a_datInd,

int a_idir,

Side::LoHiSide a_hiorlo

)

Does homogeneous coarse/fine interpolation.

void PoissonOp::homogeneousCFInterp ( LevelData< FArrayBox > & a_phif ) [virtual]

Homogeneous coarse/fine interpolation operator.

Implements LevelOp.

virtual bool PoissonOp::isDefined ( ) const [virtual]

Has this object been defined?

Implements LevelOp.
Reimplemented in VelocityPoissonOp.

void PoissonOp::levelGSMC ( LevelData< FArrayBox > & a_phi,

const LevelData< FArrayBox > & a_rhs

)

virtual void PoissonOp::levelPreconditioner ( LevelData< FArrayBox > & a_phihat,

const LevelData< FArrayBox > & a_rhshat

) [virtual]

Apply preconditioning to the solution on this level.
Given rhshat, returns phihat from M(phihat) = rhshat
Implements LevelOp.

virtual LevelOp* PoissonOp::new_levelop ( ) const [virtual]

Virtual constructor workaround.

Implements LevelOp.
Reimplemented in VelocityPoissonOp.

void PoissonOp::setBottomSmoother ( const BaseBottomSmoother & a_bottomSmoother )

Set the bottom smoother to use in solve.

virtual void PoissonOp::setConvergenceMetric ( Real a_metric,

int a_comp

) [virtual]

pass-through to bottom smoother

Implements LevelOp.

void PoissonOp::setDomainGhostBC ( const DomainGhostBC & a_dombcin )

Set physical boundary condition types.

void PoissonOp::smooth ( LevelData< FArrayBox > & a_phi,

const LevelData< FArrayBox > & a_rhs

) [virtual]

Smoother.
Assumes that problem has already been put in residual correction form, so that C/F boundary conditions are homogeneous.
Implements LevelOp.

Member Data Documentation

DisjointBoxLayout PoissonOp::m_baseBA [protected]

DisjointBoxLayout for next coarser level this is == NULL if there is no coarser level

BaseBottomSmoother* PoissonOp::m_bottomSmootherPtr [protected]

Bottom smoother object

ProblemDomain PoissonOp::m_domain [protected]

Domain of fine grid

DomainGhostBC PoissonOp::m_domghostbc [protected]

Boundary conditons

Real PoissonOp::m_dxCrse [protected]

Mesh spacing at next coarser level

Real PoissonOp::m_dxLevel [protected]

Mesh spacing at this level

Copier PoissonOp::m_exchangeCopier [protected]

Copier object that knows how to perform exchange operations on LevelData objects defined on m_grids

DisjointBoxLayout PoissonOp::m_grids [protected]

The grids at the current level

LayoutData<CFIVS> PoissonOp::m_hiCFIVS[SpaceDim] [protected]

Coarse-fine stencils for homogeneous CFInterp

bool PoissonOp::m_ihcfiEnabled [protected]

Is inhomogeneous CF interpolation possible?

bool PoissonOp::m_isBCDefined [protected]

Has bc been defined?

bool PoissonOp::m_isDefined [protected]

Has full define function been called?

LayoutData<CFIVS> PoissonOp::m_loCFIVS[SpaceDim] [protected]

Coarse-fine stencils for homogeneous CFInterp

int PoissonOp::m_ncomp [protected]

Number of components

QuadCFInterp PoissonOp::m_quadCFI [protected]

int PoissonOp::m_refRatio [protected]

Refinement ratio between this and the next coarser level

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

PoissonOp.H

Generated on Wed Jan 19 17:56:27 2005 for Chombo&INSwithParticles by

1.2.16

PoissonOp Class Reference

Public Methods

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation