Dune::Fem::GridTimeProvider< Grid > Class Template Reference

the same functionality as the Dune::TimeProvider. More...

#include <dune/fem/solver/timeprovider.hh>

Public Member Functions
void	init ()
	init dt with time step estimate
void	init (const double timeStep)
	init dt with provided time step More...
void	next ()
	goto next time step More...
void	next (const double timeStep)
	goto next time step More...
double	factor () const
	return the global factor number More...
void	restore (const double time, const int timeStep)
	restore time and timestep from outside (i.e. from former calculation) More...
double	time () const
	obtain the current time More...
int	timeStep () const
	obtain number of the current time step More...
double	deltaT () const
	obtain the size of the current time step More...
double	inverseDeltaT () const
	obtain the size of the inverse of the current time step More...
double	timeStepEstimate () const
	obtain current estimate on time step More...
void	provideTimeStepEstimate (const double dtEstimate)
	set time step estimate to minimum of given value and internal time step estiamte More...
void	provideTimeStepUpperBound (const double upperBound)
	set upper bound for time step to minimum of given value and internal bound More...
void	invalidateTimeStep ()
	count current time step a not valid
bool	timeStepValid () const
	return if this time step should be used

Protected Member Functions
virtual void	insertSubData ()
	insert possible sub data of object
virtual void	removeSubData ()
	remove possible sub data of object

Detailed Description

template<class Grid>
class Dune::Fem::GridTimeProvider< Grid >

the same functionality as the Dune::TimeProvider.

This implementation of a timeprovider takes the Communication from a Dune::Grid instance.

Member Function Documentation

deltaT()

double Dune::Fem::TimeProviderBase::deltaT ( ) const

inlineinherited

obtain the size of the current time step

Returns

the size of the current time step

References Dune::Fem::TimeProviderBase::timeStepValid().

Referenced by DuneODE::ExplMultiStepBase< Operator >::solve(), DuneODE::ExplicitRungeKuttaSolver< DestinationImp >::solve(), and DuneODE::ExplMultiStepBase< Operator >::solveRK().

factor()

double Dune::Fem::TimeProvider< Grid::Traits::Communication >::factor ( ) const

inlineinherited

return the global factor number

Returns

time step factor

init()

void Dune::Fem::TimeProvider< Grid::Traits::Communication >::init ( const double  timeStep )

inlineinherited

init dt with provided time step

Parameters

[in]

timeStep

value of the first time step (is multiplied with factor)

inverseDeltaT()

double Dune::Fem::TimeProviderBase::inverseDeltaT ( ) const

inlineinherited

obtain the size of the inverse of the current time step

Returns

the size of the inverse of the current time step

References Dune::Fem::TimeProviderBase::timeStepValid().

next() [1/2]

void Dune::Fem::TimeProvider< Grid::Traits::Communication >::next ( )

inlineinherited

goto next time step

Sets the size of the next time step to the current time step estimate and sets the estimate to infinity.

next() [2/2]

void Dune::Fem::TimeProvider< Grid::Traits::Communication >::next ( const double  timeStep )

inlineinherited

goto next time step

Sets the size of the next time step to the provided time step value and sets the estimate to infinity.

Parameters

[in]

timeStep

value of the next time step (is multiplied with factor)

provideTimeStepEstimate()

void Dune::Fem::TimeProviderBase::provideTimeStepEstimate ( const double  dtEstimate )

inlineinherited

set time step estimate to minimum of given value and internal time step estiamte

Parameters

[in]

dtEstimate

time step size estimate

Referenced by DuneODE::ExplicitRungeKuttaSolver< DestinationImp >::initialize(), DuneODE::ExplMultiStepBase< Operator >::solve(), DuneODE::ExplicitRungeKuttaSolver< DestinationImp >::solve(), and DuneODE::ExplMultiStepBase< Operator >::solveRK().

provideTimeStepUpperBound()

void Dune::Fem::TimeProviderBase::provideTimeStepUpperBound ( const double  upperBound )

inlineinherited

set upper bound for time step to minimum of given value and internal bound

Parameters

[in]

upperBound

time step size estimate

restore()

void Dune::Fem::TimeProvider< Grid::Traits::Communication >::restore ( const double  time, const int  timeStep  )

inlineinherited

restore time and timestep from outside (i.e. from former calculation)

Parameters

[in]	time	new time
[in]	timeStep	new time step counter

time()

double Dune::Fem::TimeProviderBase::time ( ) const

inlineinherited

obtain the current time

Returns

the current time

Referenced by Dune::Fem::TimeProvider< Communication >::restore(), DuneODE::ExplMultiStepBase< Operator >::solve(), DuneODE::ExplicitRungeKuttaSolver< DestinationImp >::solve(), DuneODE::ExplMultiStepBase< Operator >::solveRK(), and Dune::Fem::DataOutput< GridImp, DataImp >::write().

timeStep()

int Dune::Fem::TimeProviderBase::timeStep ( ) const

inlineinherited

obtain number of the current time step

Returns

the current time step counter

References Dune::Fem::TimeProviderBase::timeStepValid().

Referenced by Dune::Fem::TimeProvider< Communication >::init(), Dune::Fem::TimeProvider< Communication >::next(), Dune::Fem::TimeProvider< Communication >::restore(), and Dune::Fem::CheckPointer< GridImp >::willWrite().

timeStepEstimate()

double Dune::Fem::TimeProviderBase::timeStepEstimate ( ) const

inlineinherited

obtain current estimate on time step

Returns

the current estimate for the time step

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

• dune/fem/solver/timeprovider.hh