CRotFrictionInteraction Class Reference

Frictional+Elastic interaction between particles between rotational particles. More...

#include <RotFricInteraction.h>

Inheritance diagram for CRotFrictionInteraction:

Collaboration diagram for CRotFrictionInteraction:

List of all members.

Public Types
typedef CRotFrictionIGP	ParameterType
typedef double(CRotFrictionInteraction::*	ScalarFieldFunction )() const
typedef pair< bool, double > (CRotFrictionInteraction::*	CheckedScalarFieldFunction )() const
typedef Vec3(CRotFrictionInteraction::*	VectorFieldFunction )() const
Public Member Functions
	CRotFrictionInteraction (CRotParticle *, CRotParticle *, const CRotFrictionIGP &)
virtual void	calcForces ()
virtual void	calcSimpleForces ()
virtual void	calcRigidBodyForces ()
virtual bool	isPersistent ()
void	setTimeStepSize (double dt)
void	calcNormalForce ()
double	getAbsForceDeficit () const
double	getPotentialEnergy () const
double	getSlipping () const
double	getSticking () const
double	getDissipatedEnergy () const
virtual double	Count () const
virtual Vec3	getPos () const
Vec3	getForce () const
Vec3	getNormalForce () const
virtual void	saveRestartData (std::ostream &oStream)
virtual void	loadRestartData (std::istream &iStream)
Static Public Member Functions
static CheckedScalarFieldFunction	getCheckedScalarFieldFunction (const string &)
static ScalarFieldFunction	getScalarFieldFunction (const string &)
static VectorFieldFunction	getVectorFieldFunction (const string &)
static string	getType ()
Friends
class	TML_PackedMessageInterface
ostream &	operator<< (ostream &, const CRotFrictionInteraction &)

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Detailed Description

Frictional+Elastic interaction between particles between rotational particles.

Author:

Shane Latham, Steffen Abe $Revision$ $Date$

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Member Function Documentation

void CRotFrictionInteraction::calcNormalForce

(

)

Calculate the normal force.

void CRotFrictionInteraction::calcRigidBodyForces

(

)

[virtual]

Yucang Wang's friction implementation which takes into account rigid body rotation of particle-pairs.

References CParticle::applyForce(), and CRotParticle::applyMoment().

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void CRotFrictionInteraction::calcSimpleForces

(

)

[virtual]

Calculate elastic and frictional forces. Rigid body rotations of particle-pairs are ignored

References CParticle::applyForce(), and CRotParticle::applyMoment().

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double CRotFrictionInteraction::Count

(

)

const [virtual]

return 1 if particles are in contact, 0 otherwise

Reimplemented from AInteraction.

Referenced by getScalarFieldFunction().

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double CRotFrictionInteraction::getAbsForceDeficit

(

)

const

get the force needed to overcome friction and make the interaction slip

Referenced by getScalarFieldFunction().

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double CRotFrictionInteraction::getDissipatedEnergy

(

)

const

return the amount of energy dissipated during the last time step

Referenced by getScalarFieldFunction().

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Vec3 CRotFrictionInteraction::getForce

(

)

const

If the particles are in contact, get total force, if not in contact return (0,0,0)

Referenced by getVectorFieldFunction().

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Vec3 CRotFrictionInteraction::getNormalForce

(

)

const

If the particles are in contact, get normal force, if not in contact return (0,0,0)

Referenced by getVectorFieldFunction().

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double CRotFrictionInteraction::getPotentialEnergy

(

)

const

get the potential energy stored in the interaction

Referenced by getScalarFieldFunction().

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CRotFrictionInteraction::ScalarFieldFunction CRotFrictionInteraction::getScalarFieldFunction

(

const string &

name

)

[static]

Get the particle member function which returns a scalar field of a given name.

Parameters:

name	the name of the field

References Count(), getAbsForceDeficit(), getDissipatedEnergy(), getPotentialEnergy(), getSlipping(), and getSticking().

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double CRotFrictionInteraction::getSlipping

(

)

const

Get the static/dynamic status of the interaction. Returns 1 for a contact in dynamic friction, 0 for static or no contact

Referenced by getScalarFieldFunction().

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double CRotFrictionInteraction::getSticking

(

)

const

Get "sticking" contacts, i.e. return 1 if the contact is touching but not slipping, 0 otherwise

Referenced by getScalarFieldFunction().

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CRotFrictionInteraction::VectorFieldFunction CRotFrictionInteraction::getVectorFieldFunction

(

const string &

name

)

[static]

Get the particle member function which returns a vector field of a given name.

Parameters:

name	the name of the field

References getForce(), and getNormalForce().

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void CRotFrictionInteraction::loadRestartData

(

std::istream &

iStream

)

[virtual]

Load restart data from an open istream

Parameters:

iStream

the input stream

Reimplemented from ARotPairInteraction.

References AInteraction::m_id.

void CRotFrictionInteraction::saveRestartData

(

std::ostream &

oStream

)

[virtual]

Save restart data to an open ostream

Parameters:

oStream

the output stream

Reimplemented from ARotPairInteraction.

References AInteraction::m_id.

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

• RotFricInteraction.h
• RotFricInteraction.cpp