BackwardEuler Class Reference

#include <BackwardEuler.H>

Public Member Functions
	~BackwardEuler ()
	BackwardEuler (const RefCountedPtr< AMRMultiGrid< LevelData< FArrayBox > > > &a_solver, const AMRLevelOpFactory< LevelData< FArrayBox > > &a_factory, const ProblemDomain &a_level0Domain, const Vector< int > &a_refRat, int a_numLevels=-1, int a_verbosity=3)
void	oneStep (Vector< LevelData< FArrayBox > *> &a_phiNew, Vector< LevelData< FArrayBox > *> &a_phiOld, Vector< LevelData< FArrayBox > *> &a_source, const Real &a_dt, int a_lbase, int a_lmax, bool a_zeroPhi=true)
void	resetAlphaAndBeta (const Real &a_alpha, const Real &a_beta)
void	computeDiffusion (Vector< LevelData< FArrayBox > * > &a_diffusiveTerm, Vector< LevelData< FArrayBox > * > &a_phiOld, Vector< LevelData< FArrayBox > * > &a_src, Real a_oldTime, Real a_dt, int a_lbase, int a_lmax, bool a_zeroPhi)

Protected Member Functions
void	solveHelm (Vector< LevelData< FArrayBox > * > &a_ans, Vector< LevelData< FArrayBox > * > &a_rhs, int a_lbase, int a_lmax, Real a_dt, bool a_zeroPhi)
void	createEulerRHS (Vector< LevelData< FArrayBox > * > &a_ans, Vector< LevelData< FArrayBox > * > &a_source, Vector< LevelData< FArrayBox > * > &a_phiOld, int a_lbase, int a_lmax, Real a_dt)
void	createData (Vector< LevelData< FArrayBox > * > &a_source, int a_lbase, int a_lmax)
TGAHelmOp< LevelData< FArrayBox > > *	newOp (const ProblemDomain &a_indexSpace, const AMRLevelOpFactory< LevelData< FArrayBox > > &a_opFact)

Private Member Functions
	BackwardEuler (const BackwardEuler &a_opin)
void	operator= (const BackwardEuler &a_opin)
	BackwardEuler ()
	weak construction is bad. Ref Counted pointers are your friends. More...

Private Attributes
Vector< TGAHelmOp< LevelData< FArrayBox > > *>	m_ops
Vector< LevelData< FArrayBox > *>	m_rhst
ProblemDomain	m_level0Domain
Vector< int >	m_refRat
RefCountedPtr< AMRMultiGrid< LevelData< FArrayBox > > >	m_solver
int	m_verbosity
int	m_numLevels
bool	m_dataCreated

Detailed Description

Solves dphi/dt = L phi + rho using backward euler. Uses TGAHelmOp functionaltity.

Constructor & Destructor Documentation

~BackwardEuler()

BackwardEuler::~BackwardEuler

(

)

BackwardEuler() [1/3]

BackwardEuler::BackwardEuler	(	const RefCountedPtr< AMRMultiGrid< LevelData< FArrayBox > > > &	a_solver,
		const AMRLevelOpFactory< LevelData< FArrayBox > > &	a_factory,
		const ProblemDomain &	a_level0Domain,
		const Vector< int > &	a_refRat,
		int	a_numLevels = -1,
		int	a_verbosity = 3
	)

BackwardEuler() [2/3]

BackwardEuler::BackwardEuler ( const BackwardEuler &  a_opin )

inlineprivate

References MayDay::Error().

BackwardEuler() [3/3]

BackwardEuler::BackwardEuler ( )

inlineprivate

weak construction is bad. Ref Counted pointers are your friends.

References MayDay::Error().

Member Function Documentation

oneStep()

void BackwardEuler::oneStep	(	Vector< LevelData< FArrayBox > *> &	a_phiNew,
		Vector< LevelData< FArrayBox > *> &	a_phiOld,
		Vector< LevelData< FArrayBox > *> &	a_source,
		const Real &	a_dt,
		int	a_lbase,
		int	a_lmax,
		bool	a_zeroPhi = true
	)

This advances a parabolic pde from a_phiOld to a_phiNew using TGA on a non-moving domain with source term a_source

resetAlphaAndBeta()

void BackwardEuler::resetAlphaAndBeta	(	const Real &	a_alpha,
		const Real &	a_beta
	)

computeDiffusion()

void BackwardEuler::computeDiffusion	(	Vector< LevelData< FArrayBox > * > &	a_diffusiveTerm,
		Vector< LevelData< FArrayBox > * > &	a_phiOld,
		Vector< LevelData< FArrayBox > * > &	a_src,
		Real	a_oldTime,
		Real	a_dt,
		int	a_lbase,
		int	a_lmax,
		bool	a_zeroPhi
	)

solveHelm()

void BackwardEuler::solveHelm ( Vector< LevelData< FArrayBox > * > &  a_ans, Vector< LevelData< FArrayBox > * > &  a_rhs, int  a_lbase, int  a_lmax, Real  a_dt, bool  a_zeroPhi  )

protected

createEulerRHS()

void BackwardEuler::createEulerRHS ( Vector< LevelData< FArrayBox > * > &  a_ans, Vector< LevelData< FArrayBox > * > &  a_source, Vector< LevelData< FArrayBox > * > &  a_phiOld, int  a_lbase, int  a_lmax, Real  a_dt  )

protected

createData()

void BackwardEuler::createData ( Vector< LevelData< FArrayBox > * > &  a_source, int  a_lbase, int  a_lmax  )

protected

newOp()

TGAHelmOp<LevelData<FArrayBox> >* BackwardEuler::newOp ( const ProblemDomain &  a_indexSpace, const AMRLevelOpFactory< LevelData< FArrayBox > > &  a_opFact  )

protected

operator=()

void BackwardEuler::operator= ( const BackwardEuler &  a_opin )

inlineprivate

References MayDay::Error().

Member Data Documentation

m_ops

Vector<TGAHelmOp<LevelData<FArrayBox> > * > BackwardEuler::m_ops

private

m_rhst

Vector< LevelData<FArrayBox>* > BackwardEuler::m_rhst

private

m_level0Domain

ProblemDomain BackwardEuler::m_level0Domain

private

m_refRat

Vector<int> BackwardEuler::m_refRat

private

m_solver

RefCountedPtr<AMRMultiGrid< LevelData<FArrayBox> > > BackwardEuler::m_solver

private

m_verbosity

int BackwardEuler::m_verbosity

private

m_numLevels

int BackwardEuler::m_numLevels

private

m_dataCreated

bool BackwardEuler::m_dataCreated

private

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

• BackwardEuler.H