CInteracton Class Reference

#include <interacton.h>

Inheritance diagram for CInteracton:

List of all members.

Public Member Functions
	CInteracton (Particle *Pt1, Particle *Pt2)
	Constructor requires pointers to both particles.
	CInteracton ()
virtual bool	UpdateContacts (double alpha)
	Update contacts by verlet algorithm.
virtual void	CalcForce (double dt=0.0)
	Calculates the contact force between particles.
virtual void	UpdateParameters ()
	Update the parameters.
Public Attributes
double	Kn
	Normal stiffness.
double	Kt
	Tengential stiffness.
double	Gn
	Normal viscous coefficient.
double	Gt
	Tangential viscous coefficient.
double	Mu
	Microscpic coefficient of friction.
double	Epot
	Potential elastic energy.
double	dEvis
	Energy dissipated in viscosity at time step.
double	dEfric
	Energy dissipated by friction at time step.
size_t	Nc
	Number of contacts.
size_t	Nsc
	Number of sliding contacts.
size_t	Nr
	Number of rolling contacts (only for spheres)
Vec3_t	Fn
	Normal force between elements.
Vec3_t	Fnet
	Net normal force.
Vec3_t	Ftnet
	Net tangential force.
Vec3_t	Xc
	Net Position of the contact.
Mat3_t	B
	Branch tensor for the study of isotropy.
ListContacts_t	Lee
	List of edge-edge contacts.
ListContacts_t	Lvf
	List of vertex-face contacts.
ListContacts_t	Lfv
	List of face-vertex contacts.
ListContacts_t	Lvt
	List of vertex-torus contacts.
ListContacts_t	Ltv
	List of torus-vertex contacts.
ListContacts_t	Lvc
	List of vertex-cylinder contacts.
ListContacts_t	Lcv
	List of cylinder-vertex contacts.
FrictionMap_t	Fdee
	Static friction displacement for pair of edges.
FrictionMap_t	Fdvf
	Static friction displacement for pair of vertex-face.
FrictionMap_t	Fdfv
	Static friction displacement for pair of face-vertex.
FrictionMap_t	Fdvt
	Static friction displacement for pair of vertex-torus.
FrictionMap_t	Fdtv
	Static friction displacement for pair of torus-vertex.
FrictionMap_t	Fdvc
	Static friction displacement for pair of vertex-cylinder.
FrictionMap_t	Fdcv
	Static friction displacement for pair of cylinder-vertex.
Protected Member Functions
template<typename FeatureA_T , typename FeatureB_T >
void	_update_disp_calc_force (FeatureA_T &A, FeatureB_T &B, FrictionMap_t &FMap, ListContacts_t &L, double dt)
template<typename FeatureA_T , typename FeatureB_T >
void	_update_contacts (FeatureA_T &A, FeatureB_T &B, ListContacts_t &L, double alpha)

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Constructor & Destructor Documentation

CInteracton::CInteracton	(	Particle *	Pt1,
		Particle *	Pt2
	)		[inline]

Constructor requires pointers to both particles.

CInteracton::CInteracton

(

)

[inline]

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Member Function Documentation

template<typename FeatureA_T , typename FeatureB_T >

void CInteracton::_update_contacts	(	FeatureA_T &	A,
		FeatureB_T &	B,
		ListContacts_t &	L,
		double	alpha
	)		[inline, protected]

template<typename FeatureA_T , typename FeatureB_T >

void CInteracton::_update_disp_calc_force	(	FeatureA_T &	A,
		FeatureB_T &	B,
		FrictionMap_t &	FMap,
		ListContacts_t &	L,
		double	dt
	)		[inline, protected]

void CInteracton::CalcForce

(

double

dt = 0.0

)

[inline, virtual]

Calculates the contact force between particles.

Implements Interacton.

Reimplemented in CInteractonSphere.

bool CInteracton::UpdateContacts

(

double

alpha

)

[inline, virtual]

Update contacts by verlet algorithm.

Implements Interacton.

Reimplemented in CInteractonSphere.

void CInteracton::UpdateParameters

(

)

[inline, virtual]

Update the parameters.

Implements Interacton.

Reimplemented in CInteractonSphere.

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Member Data Documentation

Mat3_t CInteracton::B

Branch tensor for the study of isotropy.

double CInteracton::dEfric

Energy dissipated by friction at time step.

double CInteracton::dEvis

Energy dissipated in viscosity at time step.

double CInteracton::Epot

Potential elastic energy.

FrictionMap_t CInteracton::Fdcv

Static friction displacement for pair of cylinder-vertex.

FrictionMap_t CInteracton::Fdee

Static friction displacement for pair of edges.

FrictionMap_t CInteracton::Fdfv

Static friction displacement for pair of face-vertex.

FrictionMap_t CInteracton::Fdtv

Static friction displacement for pair of torus-vertex.

FrictionMap_t CInteracton::Fdvc

Static friction displacement for pair of vertex-cylinder.

FrictionMap_t CInteracton::Fdvf

Static friction displacement for pair of vertex-face.

FrictionMap_t CInteracton::Fdvt

Static friction displacement for pair of vertex-torus.

Vec3_t CInteracton::Fn

Normal force between elements.

Vec3_t CInteracton::Fnet

Net normal force.

Vec3_t CInteracton::Ftnet

Net tangential force.

double CInteracton::Gn

Normal viscous coefficient.

double CInteracton::Gt

Tangential viscous coefficient.

double CInteracton::Kn

Normal stiffness.

double CInteracton::Kt

Tengential stiffness.

ListContacts_t CInteracton::Lcv

List of cylinder-vertex contacts.

ListContacts_t CInteracton::Lee

List of edge-edge contacts.

ListContacts_t CInteracton::Lfv

List of face-vertex contacts.

ListContacts_t CInteracton::Ltv

List of torus-vertex contacts.

ListContacts_t CInteracton::Lvc

List of vertex-cylinder contacts.

ListContacts_t CInteracton::Lvf

List of vertex-face contacts.

ListContacts_t CInteracton::Lvt

List of vertex-torus contacts.

double CInteracton::Mu

Microscpic coefficient of friction.

size_t CInteracton::Nc

Number of contacts.

size_t CInteracton::Nr

Number of rolling contacts (only for spheres)

size_t CInteracton::Nsc

Number of sliding contacts.

Vec3_t CInteracton::Xc

Net Position of the contact.

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

• /home/dorival/mechsys/lib/dem/interacton.h