OifLocalForcesBond Struct Reference

Parameters for OIF local forces. More...

#include <oif_local_forces.hpp>

Public Member Functions
double	cutoff () const
	OifLocalForcesBond (double r0, double ks, double kslin, double phi0, double kb, double A01, double A02, double kal, double kvisc)
std::tuple< Utils::Vector3d, Utils::Vector3d, Utils::Vector3d, Utils::Vector3d >	calc_forces (BoxGeometry const &box_geo, Particle const &p2, Particle const &p1, Particle const &p3, Particle const &p4) const
	Compute the OIF local forces.

Public Attributes
double	r0
	Equilibrium bond length of triangle edges.
double	ks
	Non-linear stretching coefficient of triangle edges.
double	kslin
	Linear stretching coefficient of triangle edges.
double	phi0
	Equilibrium angle between the two triangles.
double	kb
	Bending coefficient for the angle between the two triangles.
double	A01
	Equilibrium surface of the first triangle.
double	A02
	Equilibrium surface of the second triangle.
double	kal
	Stretching coefficient of a triangle surface.
double	kvisc
	Viscous coefficient of the triangle vertices.

Static Public Attributes
static constexpr int	num = 3

Detailed Description

Parameters for OIF local forces.

Characterize the deformation of two triangles sharing an edge.

Definition at line 46 of file oif_local_forces.hpp.

Constructor & Destructor Documentation

OifLocalForcesBond()

OifLocalForcesBond::OifLocalForcesBond ( double  r0, double  ks, double  kslin, double  phi0, double  kb, double  A01, double  A02, double  kal, double  kvisc  )

inline

Definition at line 70 of file oif_local_forces.hpp.

References A01, A02, kal, kb, ks, kslin, kvisc, phi0, and r0.

Member Function Documentation

calc_forces()

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

inline

Compute the OIF local forces.

See [15], [26].

Parameters

box_geo	Box geometry.
p2	Particle of triangle 1.
p1,p3	Particles common to triangle 1 and triangle 2.
p4	Particle of triangle 2.

Returns

forces on p1, p2, p3, p4

For non-linear stretching, see eq. (19) in [15]

Definition at line 98 of file oif_local_forces.hpp.

References A01, A02, Utils::angle_btw_triangles(), Utils::area_triangle(), BoxGeometry::get_mi_vector(), Utils::get_n_triangle(), kal, kb, ks, kslin, kvisc, Utils::Vector< T, N >::norm(), phi0, r0, stream, tiny_oif_elasticity_coefficient, and BoxGeometry::unfolded_position().

cutoff()

double OifLocalForcesBond::cutoff ( ) const

inline

Definition at line 66 of file oif_local_forces.hpp.

Member Data Documentation

A01

double OifLocalForcesBond::A01

Equilibrium surface of the first triangle.

Definition at line 58 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

A02

double OifLocalForcesBond::A02

Equilibrium surface of the second triangle.

Definition at line 60 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

kal

double OifLocalForcesBond::kal

Stretching coefficient of a triangle surface.

Definition at line 62 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

kb

double OifLocalForcesBond::kb

Bending coefficient for the angle between the two triangles.

Definition at line 56 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

ks

double OifLocalForcesBond::ks

Non-linear stretching coefficient of triangle edges.

Definition at line 50 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

kslin

double OifLocalForcesBond::kslin

Linear stretching coefficient of triangle edges.

Definition at line 52 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

kvisc

double OifLocalForcesBond::kvisc

Viscous coefficient of the triangle vertices.

Definition at line 64 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

num

constexpr int OifLocalForcesBond::num = 3

staticconstexpr

Definition at line 68 of file oif_local_forces.hpp.

phi0

double OifLocalForcesBond::phi0

Equilibrium angle between the two triangles.

Definition at line 54 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

r0

double OifLocalForcesBond::r0

Equilibrium bond length of triangle edges.

Definition at line 48 of file oif_local_forces.hpp.

Referenced by calc_forces(), and OifLocalForcesBond().

---

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

• oif_local_forces.hpp