Stores the tangential spring $\vec{\delta}_{ij}^t$ needed to compute a tangential elastic force between particles PI, PJ. More...

#include <CTangentialSpring.h>

Public Member Functions
	CTangentialSpring ()
	constructors More...

	CTangentialSpring (int pParticle_, int pWall_, Mdouble time_)

	CTangentialSpring (const CTangentialSpring &ts)
	copy constructor More...

void	print (std::ostream &os)
	outputs tangential spring More...

void	reverse ()

Public Attributes
Vec3D	delta
	stores the spring More...

Vec3D	RollingSpring

Vec3D	TorsionSpring

Vec3D	SlidingForce
	Stores the force (for some non-linear, hysteretic spring models) More...

int	pParticle
	A pointer to the particle in contact; NULL if the contact is with a wall (The other particle is the particle in which CDeltaMax is located) More...

int	pWall
	A pointer to the wall in contact; NULL if the contact is with a particle (The other particle is the particle in which CDeltaMax is located) More...

Mdouble	time
	stores the last time the tangential spring was read (if it was not read during the last timestep, the contact is old and will be deleted) More...

bool	sliding

bool	slidingRolling

bool	slidingTorsion

Friends
std::ostream &	operator<< (std::ostream &os, const CTangentialSpring &p)
	writes spring More...

std::istream &	operator>> (std::istream &is, CTangentialSpring &p)
	reads spring More...

Detailed Description

Stores the tangential spring $\vec{\delta}_{ij}^t$ needed to compute a tangential elastic force between particles PI, PJ.

Definition at line 38 of file CTangentialSpring.h.

Constructor & Destructor Documentation

CTangentialSpring::CTangentialSpring ( )

inline

constructors

Definition at line 41 of file CTangentialSpring.h.

References delta, pParticle, pWall, RollingSpring, Vec3D::set_zero(), sliding, SlidingForce, slidingRolling, slidingTorsion, time, and TorsionSpring.

                         {
         delta.set_zero(); 
         RollingSpring.set_zero(); 
         TorsionSpring.set_zero(); 
         SlidingForce.set_zero(); 
         pParticle=-1; 
         pWall=-1; 
         time=-1; 
         sliding = false; 
         slidingRolling = false; 
         slidingTorsion = false; 
     }

CTangentialSpring::CTangentialSpring	(	int	pParticle_,
		int	pWall_,
		Mdouble	time_
	)

inline

Definition at line 54 of file CTangentialSpring.h.

References delta, pParticle, pWall, RollingSpring, Vec3D::set_zero(), sliding, SlidingForce, slidingRolling, slidingTorsion, time, and TorsionSpring.

                                                                  {  
         delta.set_zero();
         RollingSpring.set_zero();
         TorsionSpring.set_zero();
         SlidingForce.set_zero(); 
         pParticle = pParticle_;
         pWall = pWall_;
         time = time_;
         sliding = false;
         slidingRolling = false; 
         slidingTorsion = false; 
     }

CTangentialSpring::CTangentialSpring ( const CTangentialSpring & ts )

inline

copy constructor

Definition at line 68 of file CTangentialSpring.h.

References delta, pParticle, pWall, RollingSpring, sliding, SlidingForce, slidingRolling, slidingTorsion, time, and TorsionSpring.

                                                     {
         delta = ts.delta;
         RollingSpring = ts.RollingSpring;
         TorsionSpring = ts.TorsionSpring;
         SlidingForce = ts.SlidingForce; 
         pParticle = ts.pParticle;
         pWall = ts.pWall;
         time = ts.time;
         sliding = ts.sliding;
         slidingRolling = ts.slidingRolling;
         slidingTorsion = ts.slidingTorsion;
     }

Member Function Documentation

void CTangentialSpring::print ( std::ostream & os )

inline

outputs tangential spring

Definition at line 82 of file CTangentialSpring.h.

References delta, pParticle, pWall, and time.

                                {
         os << "delta:" << delta 
             << ", particle:" << pParticle
             << ", wall:" << pWall 
             << ", time:" << time;
     }

void CTangentialSpring::reverse ( )

inline

Definition at line 103 of file CTangentialSpring.h.

References delta, RollingSpring, SlidingForce, and TorsionSpring.

Referenced by TangentialSpringParticle::moveInHandler().

     {
         delta=-delta;
         RollingSpring=-RollingSpring;
         TorsionSpring=-TorsionSpring;
         SlidingForce=-SlidingForce;     
     }   

Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const CTangentialSpring &	p
	)

friend

writes spring

Definition at line 90 of file CTangentialSpring.h.

     {
         os << p.delta << " " << p.RollingSpring << " " << p.TorsionSpring << " " << p.pParticle << " " << p.pWall << " " << p.time;
         return os;
     }   

std::istream& operator>>	(	std::istream &	is,
		CTangentialSpring &	p
	)

friend

reads spring

Definition at line 97 of file CTangentialSpring.h.

     {
         is >> p.delta >> p.RollingSpring >> p.TorsionSpring >> p.pParticle >> p.pWall >> p.time;
         return is;
     }

Member Data Documentation

Vec3D CTangentialSpring::delta

stores the spring

Definition at line 112 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_plastic_internal_forces(), MD::compute_walls(), CTangentialSpring(), print(), and reverse().

int CTangentialSpring::pParticle

A pointer to the particle in contact; NULL if the contact is with a wall (The other particle is the particle in which CDeltaMax is located)

Definition at line 118 of file CTangentialSpring.h.

Referenced by CTangentialSpring(), TangentialSpringParticle::moveInHandler(), and print().

int CTangentialSpring::pWall

A pointer to the wall in contact; NULL if the contact is with a particle (The other particle is the particle in which CDeltaMax is located)

Definition at line 120 of file CTangentialSpring.h.

Referenced by CTangentialSpring(), and print().

Vec3D CTangentialSpring::RollingSpring

Definition at line 113 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_walls(), CTangentialSpring(), and reverse().

bool CTangentialSpring::sliding

Definition at line 124 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_walls(), and CTangentialSpring().

Vec3D CTangentialSpring::SlidingForce

Stores the force (for some non-linear, hysteretic spring models)

Definition at line 116 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_walls(), CTangentialSpring(), and reverse().

bool CTangentialSpring::slidingRolling

Definition at line 125 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_walls(), and CTangentialSpring().

bool CTangentialSpring::slidingTorsion

Definition at line 126 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_walls(), and CTangentialSpring().

Mdouble CTangentialSpring::time

stores the last time the tangential spring was read (if it was not read during the last timestep, the contact is old and will be deleted)

Definition at line 122 of file CTangentialSpring.h.

Referenced by CTangentialSpring(), CTangentialSprings::check_spring_time::operator()(), and print().

Vec3D CTangentialSpring::TorsionSpring

Definition at line 114 of file CTangentialSpring.h.

Referenced by MD::compute_internal_forces(), MD::compute_walls(), CTangentialSpring(), and reverse().

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

CTangentialSpring.h

Public Member Functions

Public Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation