Calculate contact forces. More...

#include <Contacts.h>

Public Member Functions
	Contacts (Parameters< d > &PP)

void	particle_particle (cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &Xj, cv1d &Vj, cv1d &Omegaj, double rj, double mj, cp< d > &Contact, bool isdumptime)
	Force & torque between 2 particles. More...

void	particle_wall (cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &cn, cp< d > &Contact)
	Force & torque between a particle and a wall. More...

void	particle_movingwall (cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &cn, cv1d &Vj, cp< d > &Contact)
	Force & torque between a particle and a moving wall. Vj is the velocity of the wall at the contact point. More...

void	particle_mesh (cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cpm< d > &Contact)
	Force & torque between particle and mesh. More...

void	particle_ghost_regular (cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &Xj, cv1d &Vj, cv1d &Omegaj, double rj, double mj, cp< d > &Contact, bool isdumptime)
	Calculate the particle to regular (non Lees-Edward) ghost contact. More...

void	particle_ghost_LE (cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &Xj, cv1d &Vj, cv1d &Omegaj, double rj, double mj, cp< d > &Contact, bool isdumptime)
	Calculate the particle to (potentially) Lees-Edward ghost contact. More...

void	particle_ghost_LE_cells (cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &Xj, cv1d &Vj, cv1d &Omegaj, double rj, double mj, cp< d > &Contact, bool isdumptime)
	Calculate the particle to (potentially) Lees-Edward ghost contact for the cell contact finding (slightly different handling of pbc. More...

void	compute_normalpbcloc (v1d &loc, int startn, uint32_t gh, uint32_t ghd)
	Move ghosts through the regular periodic boundary conditions (non Lees-Edward). More...

Public Attributes
Parameters< d > *	P
	Pointer to the Parameters structure. More...

vector< double >	Torquei
	Torque on particle i. More...

vector< double >	Torquej
	Torque on particle j. More...

vector< double >	vrel
	Relative velocity. More...

void(Contacts::*	particle_ghost )(cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &Xj, cv1d &Vj, cv1d &Omegaj, double rj, double mj, cp< d > &Contact, bool isdumptime)
	Function pointer to the function to calculate the ghost-to-particle contact forces. More...

Action< d >	Act
	Resulting Action. More...

Private Attributes
double	contactlength

double	ovlp

double	dotvrelcn

double	Coulomb

double	tsprn

double	tsprcn

vector< double >	cn

vector< double >	rri

vector< double >	rrj

vector< double >	vn

vector< double >	vt

vector< double >	Fn

vector< double >	Ft

vector< double >	tvec

vector< double >	Ftc

vector< double >	tspr

vector< double >	tsprc

Detailed Description

template<int d>
class Contacts< d >

Calculate contact forces.

Member Function Documentation

◆ compute_normalpbcloc()

template<int d>

void Contacts< d >::compute_normalpbcloc	(	v1d &	loc,
		int	startn,
		uint32_t	gh,
		uint32_t	ghd
	)

inline

Move ghosts through the regular periodic boundary conditions (non Lees-Edward).

◆ particle_ghost_LE()

template<int d>

void Contacts< d >::particle_ghost_LE	(	cv1d &	Xi,
		cv1d &	Vi,
		cv1d &	Omegai,
		double	ri,
		double	mi,
		cv1d &	Xj,
		cv1d &	Vj,
		cv1d &	Omegaj,
		double	rj,
		double	mj,
		cp< d > &	Contact,
		bool	isdumptime
	)

inline

Calculate the particle to (potentially) Lees-Edward ghost contact.

◆ particle_ghost_LE_cells()

template<int d>

void Contacts< d >::particle_ghost_LE_cells	(	cv1d &	Xi,
		cv1d &	Vi,
		cv1d &	Omegai,
		double	ri,
		double	mi,
		cv1d &	Xj,
		cv1d &	Vj,
		cv1d &	Omegaj,
		double	rj,
		double	mj,
		cp< d > &	Contact,
		bool	isdumptime
	)

inline

Calculate the particle to (potentially) Lees-Edward ghost contact for the cell contact finding (slightly different handling of pbc.

◆ particle_ghost_regular()

template<int d>

void Contacts< d >::particle_ghost_regular	(	cv1d &	Xi,
		cv1d &	Vi,
		cv1d &	Omegai,
		double	ri,
		double	mi,
		cv1d &	Xj,
		cv1d &	Vj,
		cv1d &	Omegaj,
		double	rj,
		double	mj,
		cp< d > &	Contact,
		bool	isdumptime
	)

inline

Calculate the particle to regular (non Lees-Edward) ghost contact.

Member Data Documentation

◆ Act

template<int d>

Action<d> Contacts< d >::Act

Resulting Action.

◆ cn

template<int d>

vector<double> Contacts< d >::cn

private

◆ contactlength

template<int d>

double Contacts< d >::contactlength

private

Temporary variables for internal use, to avoid reallocation at each call

◆ Coulomb

template<int d>

double Contacts< d >::Coulomb

private

◆ dotvrelcn

template<int d>

double Contacts< d >::dotvrelcn

private

◆ Fn

template<int d>

vector<double> Contacts< d >::Fn

private

◆ Ft

template<int d>

vector<double> Contacts< d >::Ft

private

◆ Ftc

template<int d>

vector<double> Contacts< d >::Ftc

private

◆ ovlp

template<int d>

double Contacts< d >::ovlp

private

◆ P

template<int d>

Parameters<d>* Contacts< d >::P

Pointer to the Parameters structure.

◆ particle_ghost

template<int d>

void(Contacts::* Contacts< d >::particle_ghost) (cv1d &Xi, cv1d &Vi, cv1d &Omegai, double ri, double mi, cv1d &Xj, cv1d &Vj, cv1d &Omegaj, double rj, double mj, cp< d > &Contact, bool isdumptime)

Function pointer to the function to calculate the ghost-to-particle contact forces.

◆ rri

template<int d>

vector<double> Contacts< d >::rri

private

◆ rrj

template<int d>

vector<double> Contacts< d >::rrj

private

◆ Torquei

template<int d>

vector< double > Contacts< d >::Torquei

Torque on particle i.

◆ Torquej

template<int d>

vector< double > Contacts< d >::Torquej

Torque on particle j.

◆ tspr

template<int d>

vector<double> Contacts< d >::tspr

private

◆ tsprc

template<int d>

vector<double> Contacts< d >::tsprc

private

◆ tsprcn

template<int d>

double Contacts< d >::tsprcn

private

◆ tsprn

template<int d>

double Contacts< d >::tsprn

private

◆ tvec

template<int d>

vector<double> Contacts< d >::tvec

private

◆ vn

template<int d>

vector<double> Contacts< d >::vn

private

◆ vrel

template<int d>

vector< double > Contacts< d >::vrel

Relative velocity.

◆ vt

template<int d>

vector<double> Contacts< d >::vt

private

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

/home/runner/work/NDDEM/NDDEM/src/Dem/Contacts.h

Public Member Functions

Public Attributes

Private Attributes

Detailed Description

template<int d> class Contacts< d >

Member Function Documentation

◆ compute_normalpbcloc()

◆ particle_ghost_LE()

◆ particle_ghost_LE_cells()

◆ particle_ghost_regular()

Member Data Documentation

◆ Act

◆ cn

◆ contactlength

◆ Coulomb

◆ dotvrelcn

◆ Fn

◆ Ft

◆ Ftc

◆ ovlp

◆ P

◆ particle_ghost

◆ rri

◆ rrj

◆ Torquei

◆ Torquej

◆ tspr

◆ tsprc

◆ tsprcn

◆ tsprn

◆ tvec

◆ vn

◆ vrel

◆ vt

template<int d>
class Contacts< d >