glotzmd::LeapFrogIntegrator Class Reference

#include <LeapFrogIntegrator.h>

Inheritance diagram for glotzmd::LeapFrogIntegrator:

List of all members.

Public Member Functions
	LeapFrogIntegrator ()
	LeapFrogIntegrator (const LeapFrogIntegrator &)
LeapFrogIntegrator *	Clone ()
	Clone Constructor.
	~LeapFrogIntegrator ()
bool	PerformsInitialMove ()
bool	PerformsFinalMove ()
void	SetNumberOfIterations (const int)
void	FinalMove (glotz_vec &, glotz_vec &, const glotz_vec &)
void	FinalMove (glotz_vec &, glotz_quat &, glotz_3mat &, const glotz_vec &, const glotz_vec &)
void	FinalMove (glotz_vec &, glotz_quat &, glotz_3mat &, const glotz_vec &, const glotz_vec &, const bool)
Protected Member Functions
void	SetTimestep (const glotz_flt)
Private Member Functions
void	OmelyanIteration (glotz_vec &, const glotz_vec &, const glotz_vec &)
void	OmelyanIterationLinear (glotz_vec &, const glotz_vec &, const glotz_vec &)
void	AdvanceQuaternion (glotz_quat &, const glotz_vec &)
Private Attributes
glotz_flt	mTimestepSq
glotz_flt	mHalfTimestep
glotz_flt	mQuarterTimestepSq
int	mIterations
glotz_4mat	mImatrix
glotz_4mat	mGmatrix
glotz_4mat	mQmatrix

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Constructor & Destructor Documentation

glotzmd::LeapFrogIntegrator::LeapFrogIntegrator

(

)

glotzmd::LeapFrogIntegrator::LeapFrogIntegrator

(

const LeapFrogIntegrator &

rhs

)

glotzmd::LeapFrogIntegrator::~LeapFrogIntegrator

(

)

[inline]

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Member Function Documentation

LeapFrogIntegrator * glotzmd::LeapFrogIntegrator::Clone

(

)

[virtual]

Clone Constructor.

Returns:

A new copy of the object

Reimplemented from glotzmd::IntegrationScheme.

bool glotzmd::LeapFrogIntegrator::PerformsInitialMove

(

)

[virtual]

Implements glotzmd::IntegrationScheme.

bool glotzmd::LeapFrogIntegrator::PerformsFinalMove

(

)

[virtual]

Implements glotzmd::IntegrationScheme.

void glotzmd::LeapFrogIntegrator::SetNumberOfIterations

(

const

int

)

void glotzmd::LeapFrogIntegrator::FinalMove	(	glotz_vec &	f,
		glotz_vec &	fprime,
		const glotz_vec &	f2prime
	)			[inline, virtual]

Parameters:

	f	is any variable (i.e. a position vector)
	fprime	is first derivative of f with respect to time (i.e. a velocity vector)
	f2prime	is the second derivative of f with respect to time (i.e. an accelerator vector)

Reimplemented from glotzmd::IntegrationScheme.

void glotzmd::LeapFrogIntegrator::FinalMove	(	glotz_vec &	omega,
		glotz_quat &	q,
		glotz_3mat &	rmatrix,
		const glotz_vec &	tau,
		const glotz_vec &	inertia
	)			[virtual]

Parameters:

	omega	is the space frame angular velocity
	q	is the object quaternion
	rmatrix	is the rotation matrix corresponding to q
	tau	is the space frame torque around the center of mass
	inertia	is the principle moment of inertia vector

Reimplemented from glotzmd::IntegrationScheme.

void glotzmd::LeapFrogIntegrator::FinalMove	(	glotz_vec &	omega,
		glotz_quat &	q,
		glotz_3mat &	rmatrix,
		const glotz_vec &	tau,
		const glotz_vec &	inertia,
		const	bool
	)			[virtual]

Parameters:

	omega	is the space frame angular velocity
	q	is the object quaternion
	rmatrix	is the rotation matrix corresponding to q
	tau	is the space frame torque around the center of mass
	inertia	is the principle moment of inertia vector
	flag	indicates that there is a zero-valued principle moment

Reimplemented from glotzmd::IntegrationScheme.

void glotzmd::LeapFrogIntegrator::SetTimestep

(

const

glotz_flt

)

[protected, virtual]

Parameters:

sets

mTimestep equal to timestep Initializes mHalfTimestep and mQuarterTimestepSq.

Implements glotzmd::IntegrationScheme.

void glotzmd::LeapFrogIntegrator::OmelyanIteration	(	glotz_vec &	W,
		const glotz_vec &	K,
		const glotz_vec &	J
	)			[private]

void glotzmd::LeapFrogIntegrator::OmelyanIterationLinear	(	glotz_vec &	W,
		const glotz_vec &	K,
		const glotz_vec &	J
	)			[private]

void glotzmd::LeapFrogIntegrator::AdvanceQuaternion	(	glotz_quat &	q,
		const glotz_vec &	W
	)			[private]

Parameters:

	q	quaternion from previous timestep
	W	updated body-fixed angular velocity The transformation matrix for q is a skew symmetric matrix formed from W.

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Member Data Documentation

glotz_flt glotzmd::LeapFrogIntegrator::mTimestepSq [private]

glotz_flt glotzmd::LeapFrogIntegrator::mHalfTimestep [private]

glotz_flt glotzmd::LeapFrogIntegrator::mQuarterTimestepSq [private]

int glotzmd::LeapFrogIntegrator::mIterations [private]

glotz_4mat glotzmd::LeapFrogIntegrator::mImatrix [private]

glotz_4mat glotzmd::LeapFrogIntegrator::mGmatrix [private]

glotz_4mat glotzmd::LeapFrogIntegrator::mQmatrix [private]

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

• Glotzilla/src/glotzmd/trunk/SourceCode/LeapFrogIntegrator.h
• Glotzilla/src/glotzmd/trunk/SourceCode/LeapFrogIntegrator.cpp

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