PID controller based adaptive time step control as above that also takes an target iteration into account. More...

Inheritance diagram for Opm::PIDAndIterationCountTimeStepControl:

Public Member Functions
	PIDAndIterationCountTimeStepControl (const int target_iterations=20, const double decayDampingFactor=1.0, const double growthDampingFactor=1.0/1.2, const double tol=1e-3, const double minTimeStepBasedOnIterations=0., const bool verbose=false)
	constructor More...

double	computeTimeStepSize (const double dt, const int iterations, const RelativeChangeInterface &relativeChange, const double) const
	compute new time step size suggestions based on the PID controller More...

Public Member Functions inherited from Opm::PIDTimeStepControl
	PIDTimeStepControl (const double tol=1e-3, const bool verbose=false)
	constructor More...

double	computeTimeStepSize (const double dt, const int, const RelativeChangeInterface &relativeChange, const double) const
	compute new time step size suggestions based on the PID controller More...

Public Member Functions inherited from Opm::TimeStepControlInterface
virtual double	computeTimeStepSize (const double dt, const int iterations, const RelativeChangeInterface &relativeChange, const double simulationTimeElapsed) const =0
	compute new time step size suggestions based on the PID controller More...

virtual	~TimeStepControlInterface ()
	virtual destructor (empty)

Protected Attributes
const int	target_iterations_

const double	decayDampingFactor_

const double	growthDampingFactor_

const double	minTimeStepBasedOnIterations_

Protected Attributes inherited from Opm::PIDTimeStepControl
const double	tol_

std::vector< double >	errors_

const bool	verbose_

Detailed Description

PID controller based adaptive time step control as above that also takes an target iteration into account.

Constructor & Destructor Documentation

Opm::PIDAndIterationCountTimeStepControl::PIDAndIterationCountTimeStepControl	(	const int	target_iterations = `20`,
		const double	decayDampingFactor = `1.0`,
		const double	growthDampingFactor = `1.0/1.2`,
		const double	tol = `1e-3`,
		const double	minTimeStepBasedOnIterations = `0.`,
		const bool	verbose = `false`
	)

constructor

Parameters

target_iterations	number of desired iterations per time step
tol	tolerance for the relative changes of the numerical solution to be accepted in one time step (default is 1e-3)
verbose	if true get some output (default = false)

double Opm::PIDAndIterationCountTimeStepControl::computeTimeStepSize	(	const double	dt,
		const int	iterations,
		const RelativeChangeInterface &	relativeChange,
		const double	simulationTimeElapsed
	)		const

virtual

compute new time step size suggestions based on the PID controller

Parameters

dt	time step size used in the current step
iterations	number of iterations used (linear/nonlinear)
timeError	object to compute \|\| u^n+1 - u^n \|\| / \|\| u^n+1 \|\|

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