Description

Performs a step of a Heun explicit integrator. It is like a 2nd Runge Kutta.

#include <ChTimestepper.h>

Inheritance diagram for chrono::ChTimestepperHeun:

Collaboration diagram for chrono::ChTimestepperHeun:

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Public Member Functions
	ChTimestepperHeun (ChIntegrable *intgr=nullptr)
	Constructors (default empty)

virtual Type	GetType () const override
	Return type of the integration method. More...

virtual void	Advance (const double dt) override
	Performs an integration timestep. More...

Public Member Functions inherited from chrono::ChTimestepperIorder
	ChTimestepperIorder (ChIntegrable *intgr=nullptr)
	Constructor.

virtual	~ChTimestepperIorder ()
	Destructor.

virtual ChState &	get_Y ()
	Access the state at current time.

virtual ChStateDelta &	get_dYdt ()
	Access the derivative of state at current time.

virtual void	SetIntegrable (ChIntegrable *intgr)
	Set the integrable object.

Public Member Functions inherited from chrono::ChTimestepper
	ChTimestepper (ChIntegrable *intgr=nullptr)
	Constructor.

virtual	~ChTimestepper ()
	Destructor.

virtual ChVectorDynamic &	get_L ()
	Access the lagrangian multipliers, if any.

ChIntegrable *	GetIntegrable ()
	Get the integrable object.

virtual double	GetTime () const
	Get the current time.

virtual void	SetTime (double mt)
	Set the current time.

void	SetVerbose (bool verb)
	Turn on/off logging of messages.

void	SetQcDoClamp (bool dc)
	Turn on/off clamping on the Qcterm.

void	SetQcClamping (double cl)
	Turn on/off clamping on the Qcterm.

virtual void	ArchiveOUT (ChArchiveOut &archive)
	Method to allow serialization of transient data to archives.

virtual void	ArchiveIN (ChArchiveIn &archive)
	Method to allow de-serialization of transient data from archives.

Protected Attributes
ChState	y_new

ChStateDelta	Dydt1

ChStateDelta	Dydt2

Protected Attributes inherited from chrono::ChTimestepperIorder
ChState	Y

ChStateDelta	dYdt

Protected Attributes inherited from chrono::ChTimestepper
ChIntegrable *	integrable

double	T

ChVectorDynamic	L

bool	verbose

bool	Qc_do_clamp

double	Qc_clamping

Additional Inherited Members
Public Types inherited from chrono::ChTimestepper
enum	Type { EULER_IMPLICIT_LINEARIZED = 0, EULER_IMPLICIT_PROJECTED = 1, EULER_IMPLICIT = 2, TRAPEZOIDAL = 3, TRAPEZOIDAL_LINEARIZED = 4, HHT = 5, HEUN = 6, RUNGEKUTTA45 = 7, EULER_EXPLICIT = 8, LEAPFROG = 9, NEWMARK = 10, CUSTOM = 20 }
	Available methods for time integration (time steppers).

Member Function Documentation

void chrono::ChTimestepperHeun::Advance ( const double dt )

overridevirtual

Performs an integration timestep.

Parameters

dt	timestep to advance

virtual Type chrono::ChTimestepperHeun::GetType ( ) const

inlineoverridevirtual

Return type of the integration method.

Default is CUSTOM. Derived classes should override this function.

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