Frictional+Elastic interaction between particles with velocity weakening friction. More...

#include <VWFrictionInteraction.h>

Inheritance diagram for CVWFriction:

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Collaboration diagram for CVWFriction:

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Public Types
typedef VWFrictionIGP	ParameterType

typedef double(CVWFriction::*	ScalarFieldFunction) () const

typedef Vec3(CVWFriction::*	VectorFieldFunction) () const

typedef pair< bool, double >(CVWFriction::*	CheckedScalarFieldFunction) () const

Public Types inherited from CFrictionInteraction
typedef CFrictionIGP	ParameterType

typedef double(CFrictionInteraction::*	ScalarFieldFunction) () const

typedef std::pair< bool, double >(CFrictionInteraction::*	CheckedScalarFieldFunction) () const

typedef Vec3(CFrictionInteraction::*	VectorFieldFunction) () const

Public Member Functions
	CVWFriction ()

	CVWFriction (CParticle , CParticle , const VWFrictionIGP &)

virtual	~CVWFriction ()

virtual void	calcForces ()

pair< bool, double >	getCurrentMu () const

Public Member Functions inherited from CFrictionInteraction
	CFrictionInteraction ()

	CFrictionInteraction (CParticle , CParticle )

	CFrictionInteraction (CParticle , CParticle , const CFrictionIGP &)

virtual	~CFrictionInteraction ()

virtual bool	isPersistent ()

void	setTimeStepSize (double dt)

std::pair< bool, double >	getAbsFrictionalForce () const

std::pair< bool, double >	getAbsFN () const

std::pair< bool, double >	getAbsMuFN () const

std::pair< bool, double >	getSlipVelocity () const

std::pair< bool, double >	getNormalStress () const

std::pair< bool, double >	getMaxFricStress () const

std::pair< bool, double >	getAbsFrictionalStress () const

double	getAbsForceDeficit () const

double	getPotentialEnergy () const

double	getSlipping () const

double	getSticking () const

double	getDissipatedEnergy () const

virtual double	Count () const

Vec3	getForce () const

Vec3	getNormalForce () const

virtual Vec3	getPos () const

std::pair< bool, double >	getMuEff (const Vec3 &, const Vec3 &) const

std::pair< bool, double >	getMuEffXY () const

std::pair< bool, double >	getMuEffXZ () const

virtual void	saveRestartData (std::ostream &oStream)

virtual void	loadRestartData (std::istream &iStream)

Public Member Functions inherited from APairInteraction
	APairInteraction ()

	APairInteraction (CParticle , CParticle )

virtual	~APairInteraction ()

const CParticle *	first () const

const CParticle *	second () const

CParticle *	first ()

CParticle *	second ()

pair< int, int >	getPairID () const

void	setPP (CParticle , CParticle )

void	checkIDs ()

virtual bool	hasTag (int, int) const

virtual Vec3	getPosFirst () const

virtual Vec3	getPosSecond () const

esys::lsm::quintuple< Vec3, double, Vec3, double, Vec3 >	getRaw2Data () const

template<class TmplParticle >
void	setPP (const vector< TmplParticle * > &pp)

Public Member Functions inherited from AInteraction
	AInteraction ()

virtual	~AInteraction ()

bool	initialized () const

virtual void	calcHeatTrans ()

virtual void	calcHeatFrict ()

vector< int >	getAllID () const

int	getID ()

double	Count () const

Static Public Member Functions
static string	getType ()

static ScalarFieldFunction	getScalarFieldFunction (const string &)

static VectorFieldFunction	getVectorFieldFunction (const string &)

static CheckedScalarFieldFunction	getCheckedScalarFieldFunction (const string &)

Static Public Member Functions inherited from CFrictionInteraction
static ScalarFieldFunction	getScalarFieldFunction (const string &)

static CheckedScalarFieldFunction	getCheckedScalarFieldFunction (const string &)

static VectorFieldFunction	getVectorFieldFunction (const string &)

static string	getType ()

Private Attributes
double	m_alpha

Friends
class	TML_PackedMessageInterface

Additional Inherited Members
Protected Attributes inherited from CFrictionInteraction
double	m_k
	spring constant More...

double	m_r0
	equilibrium distance More...

double	m_mu
	coefficient of friction More...

double	m_ks
	shear stiffness (Cundall) More...

double	m_dt
	time step More...

Vec3	m_Ffric
	current frictional force More...

Vec3	m_force_deficit
	difference between fric. force & force necessary for slip More...

Vec3	m_cpos
	contact position More...

Vec3	m_normal_force
	current normal force More...

bool	m_is_slipping
	static/dynamic status of the interaction More...

bool	m_is_touching
	contact status of the interaction More...

double	m_E_diss
	dissipated energy More...

bool	m_scaling
	scaling k with particle radius More...

Protected Attributes inherited from APairInteraction
CParticle *	m_p1

CParticle *	m_p2

Protected Attributes inherited from AInteraction
vector< int >	m_id
	id's of the particles involved More...

int	m_iid
	interaction id More...

bool	m_init

Detailed Description

Frictional+Elastic interaction between particles with velocity weakening friction.

Member Typedef Documentation

◆ CheckedScalarFieldFunction

typedef pair<bool,double>(CVWFriction::* CVWFriction::CheckedScalarFieldFunction) () const

◆ ParameterType

typedef VWFrictionIGP CVWFriction::ParameterType

◆ ScalarFieldFunction

typedef double(CVWFriction::* CVWFriction::ScalarFieldFunction) () const

◆ VectorFieldFunction

typedef Vec3(CVWFriction::* CVWFriction::VectorFieldFunction) () const

Constructor & Destructor Documentation

◆ CVWFriction() [1/2]

CVWFriction::CVWFriction ( )

Default constructor

References m_alpha.

◆ CVWFriction() [2/2]

CVWFriction::CVWFriction	(	CParticle *	p1,
		CParticle *	p2,
		const VWFrictionIGP &	Param
	)

References VWFrictionIGP::m_alpha, and m_alpha.

◆ ~CVWFriction()

CVWFriction::~CVWFriction ( )

virtual

Member Function Documentation

◆ calcForces()

void CVWFriction::calcForces ( )

virtual

Calculate elastic & frictional forces. The current coefficient of friction is calculated by a velocity weakening friction law $\mu=\frac{\mu_0}{1+2\alpha |v|}$