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.

## Constructor & Destructor Documentation

 MFBackwardEuler::~MFBackwardEuler ( )
 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::MFBackwardEuler ( const MFBackwardEuler & a_opin )
inlineprivate

References MayDay::Error().

 MFBackwardEuler::MFBackwardEuler ( )
inlineprivate

References MayDay::Error().

## Member Function Documentation

 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

 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 )
 void MFBackwardEuler::resetAlphaAndBeta ( const Real & a_alpha, const Real & a_beta )
 void MFBackwardEuler::setTime ( Real a_time )
 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
 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
 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
 void MFBackwardEuler::createData ( Vector< LevelData< MFCellFAB > * > & a_source, int a_lbase, int a_lmax )
protected
 TGAHelmOp >* MFBackwardEuler::newOp ( const ProblemDomain & a_indexSpace, const AMRLevelOpFactory< LevelData< MFCellFAB > > & a_opFact )
protected
 void MFBackwardEuler::operator= ( const MFBackwardEuler & a_opin )
inlineprivate

References MayDay::Error().

## Member Data Documentation

 Vector > > > MFBackwardEuler::m_ops
private
 Vector< LevelData* > MFBackwardEuler::m_rhst
private
 ProblemDomain MFBackwardEuler::m_level0Domain
private
 Vector MFBackwardEuler::m_refRat
private
 RefCountedPtr > > MFBackwardEuler::m_solver
private
 int MFBackwardEuler::m_verbosity
private
 int MFBackwardEuler::m_numLevels
private
 bool MFBackwardEuler::m_dataCreated
private

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