Chombo + EB + MF  3.2
MFBackwardEuler Class Reference

`#include <MFBackwardEuler.H>`

## Public Member Functions

~MFBackwardEuler ()

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

void oneStep (Vector< LevelData< MFCellFAB > *> &a_phiNew, Vector< LevelData< MFCellFAB > *> &a_phiOld, Vector< LevelData< MFCellFAB > *> &a_source, const Real &a_dt, int a_lbase, int a_lmax, Real a_told=0, bool a_zeroPhi=true)

void residual (Vector< LevelData< MFCellFAB > * > &a_error, Vector< LevelData< MFCellFAB > * > &a_phiNew, Vector< LevelData< MFCellFAB > * > &a_phiOld, Vector< LevelData< MFCellFAB > * > &a_source, const Real &a_dt, int a_lbase, int a_lmax, Real a_told)

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

void setTime (Real a_time)

## Protected Member Functions

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

void applyHelm (Vector< LevelData< MFCellFAB > *> &a_ans, Vector< LevelData< MFCellFAB > *> &a_phi, int a_lbase, int a_lmax, Real a_mu, Real a_dt, bool a_homogeneousBC)

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

void createData (Vector< LevelData< MFCellFAB > * > &a_source, int a_lbase, int a_lmax)

TGAHelmOp< LevelData< MFCellFAB > > * newOp (const ProblemDomain &a_indexSpace, const AMRLevelOpFactory< LevelData< MFCellFAB > > &a_opFact)

## Private Member Functions

MFBackwardEuler (const MFBackwardEuler &a_opin)

void operator= (const MFBackwardEuler &a_opin)

MFBackwardEuler ()

## Private Attributes

Vector< RefCountedPtr< TGAHelmOp< LevelData< MFCellFAB > > > > m_ops

Vector< LevelData< MFCellFAB > *> m_rhst

ProblemDomain m_level0Domain

Vector< int > m_refRat

RefCountedPtr< AMRMultiGrid< LevelData< MFCellFAB > > > 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.

## ◆ ~MFBackwardEuler()

 MFBackwardEuler::~MFBackwardEuler ( )

## ◆ MFBackwardEuler() [1/3]

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

## ◆ MFBackwardEuler() [2/3]

 MFBackwardEuler::MFBackwardEuler ( const MFBackwardEuler & a_opin )
inlineprivate

References MayDay::Error().

## ◆ MFBackwardEuler() [3/3]

 MFBackwardEuler::MFBackwardEuler ( )
inlineprivate

References MayDay::Error().

## ◆ oneStep()

 void MFBackwardEuler::oneStep ( Vector< LevelData< MFCellFAB > *> & a_phiNew, Vector< LevelData< MFCellFAB > *> & a_phiOld, Vector< LevelData< MFCellFAB > *> & a_source, const Real & a_dt, int a_lbase, int a_lmax, Real a_told = `0`, 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

## ◆ residual()

 void MFBackwardEuler::residual ( Vector< LevelData< MFCellFAB > * > & a_error, Vector< LevelData< MFCellFAB > * > & a_phiNew, Vector< LevelData< MFCellFAB > * > & a_phiOld, Vector< LevelData< MFCellFAB > * > & a_source, const Real & a_dt, int a_lbase, int a_lmax, Real a_told )

## ◆ resetAlphaAndBeta()

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

## ◆ setTime()

 void MFBackwardEuler::setTime ( Real a_time )

## ◆ solveHelm()

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

## ◆ applyHelm()

 void MFBackwardEuler::applyHelm ( Vector< LevelData< MFCellFAB > *> & a_ans, Vector< LevelData< MFCellFAB > *> & a_phi, int a_lbase, int a_lmax, Real a_mu, Real a_dt, bool a_homogeneousBC )
protected

## ◆ createEulerRHS()

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

## ◆ createData()

 void MFBackwardEuler::createData ( Vector< LevelData< MFCellFAB > * > & a_source, int a_lbase, int a_lmax )
protected

## ◆ newOp()

 TGAHelmOp >* MFBackwardEuler::newOp ( const ProblemDomain & a_indexSpace, const AMRLevelOpFactory< LevelData< MFCellFAB > > & a_opFact )
protected

## ◆ operator=()

 void MFBackwardEuler::operator= ( const MFBackwardEuler & a_opin )
inlineprivate

References MayDay::Error().

## ◆ m_ops

 Vector > > > MFBackwardEuler::m_ops
private

## ◆ m_rhst

 Vector< LevelData* > MFBackwardEuler::m_rhst
private

## ◆ m_level0Domain

 ProblemDomain MFBackwardEuler::m_level0Domain
private

## ◆ m_refRat

 Vector MFBackwardEuler::m_refRat
private

## ◆ m_solver

 RefCountedPtr > > MFBackwardEuler::m_solver
private

## ◆ m_verbosity

 int MFBackwardEuler::m_verbosity
private

## ◆ m_numLevels

 int MFBackwardEuler::m_numLevels
private

## ◆ m_dataCreated

 bool MFBackwardEuler::m_dataCreated
private

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