Parameters for IBM tribend. More...

#include <ibm_tribend.hpp>

Public Member Functions
double	cutoff () const

	IBMTribend (int ind1, int ind2, int ind3, int ind4, double kb, bool flat)
	Set the IBM Tribend parameters.

std::tuple< Utils::Vector3d, Utils::Vector3d, Utils::Vector3d, Utils::Vector3d >	calc_forces (BoxGeometry const &box_geo, Particle const &p1, Particle const &p2, Particle const &p3, Particle const &p4) const
	Calculate the forces The equations can be found in Appendix C of [26].

Public Attributes
double	kb
	Interaction data.

double	theta0
	Reference angle.

Static Public Attributes
static constexpr int	num = 3

Detailed Description

Parameters for IBM tribend.

Definition at line 33 of file ibm_tribend.hpp.

Constructor & Destructor Documentation

◆ IBMTribend()

IBMTribend::IBMTribend	(	int	ind1,
		int	ind2,
		int	ind3,
		int	ind4,
		double	kb,
		bool	flat
	)

Set the IBM Tribend parameters.

Also calculate and store the reference state. See details in [22] and [26].

Definition at line 95 of file ibm_tribend.cpp.

References System::System::box_geo, get_ibm_particle_position(), System::get_system(), kb, Utils::pi(), theta0, and vector_product().

Member Function Documentation

◆ calc_forces()

std::tuple< Utils::Vector3d, Utils::Vector3d, Utils::Vector3d, Utils::Vector3d > IBMTribend::calc_forces	(	BoxGeometry const &	box_geo,
		Particle const &	p1,
		Particle const &	p2,
		Particle const &	p3,
		Particle const &	p4
	)		const

Calculate the forces The equations can be found in Appendix C of [26].

Returns: forces on p1, p2, p3, p4

Definition at line 33 of file ibm_tribend.cpp.

References BoxGeometry::get_mi_vector(), kb, Particle::pos(), theta0, and vector_product().

◆ cutoff()

double IBMTribend::cutoff ( ) const

inline

Definition at line 40 of file ibm_tribend.hpp.

Member Data Documentation

◆ kb

double IBMTribend::kb

Interaction data.

Definition at line 35 of file ibm_tribend.hpp.

Referenced by calc_forces(), and IBMTribend().

◆ num

constexpr int IBMTribend::num = 3

staticconstexpr

Definition at line 43 of file ibm_tribend.hpp.

◆ theta0

double IBMTribend::theta0

Reference angle.

Definition at line 38 of file ibm_tribend.hpp.