PenningTrap Class Reference

A class that simulates a Penning trap. More...

#include <PenningTrap.hpp>

Public Member Functions
	PenningTrap (double B_0=T, double V_0=25.*V/1000., double d=500.)
	Set B_0, V_0 and d.
void	add_particle (Particle particle)
	Add a particle to the system.
arma::vec	external_E_field (arma::vec r)
	Calculate E at point r.
arma::vec	external_B_field (arma::vec r)
	Calculate B at point r.
arma::vec	force_on_particle (int i, int j)
	Calculate the force between 2 particles.
arma::vec	total_force_external (int i)
	Calculate the total external force on a particle.
arma::vec	total_force_particles (int i)
	Calculate the total force on a particle from other particles.
arma::vec	total_force (int i)
	calculate the total force on a particle.
void	evolve_RK4 (double dt)
	Go forward one timestep using the RK4 method.
void	evolve_forward_euler (double dt)
	Go forward one timestep using the forward Euler method.
arma::vec	get_particle (int i)
double	get_d ()

Private Attributes
double	B_0
	Magnetic field strength.
double	V_0
	Applied potential.
double	d
	Characteristic dimension.
std::vector< Particle >	particles
	The particles in the Penning trap.

Detailed Description

A class that simulates a Penning trap.

This class simulates a Penning trap. It can take in a number of particles and simulate how they would behave inside a Penning trap.

Definition at line 29 of file PenningTrap.hpp.

Constructor & Destructor Documentation

PenningTrap()

PenningTrap::PenningTrap	(	double	B_0 = T,
		double	V_0 = 25.*V/1000.,
		double	d = 500.
	)

Set B_0, V_0 and d.

Definition at line 20 of file PenningTrap.cpp.

Member Function Documentation

add_particle()

void PenningTrap::add_particle

(

Particle

particle

)

Add a particle to the system.

Definition at line 27 of file PenningTrap.cpp.

evolve_forward_euler()

void PenningTrap::evolve_forward_euler

(

double

dt

)

Go forward one timestep using the forward Euler method.

Definition at line 167 of file PenningTrap.cpp.

evolve_RK4()

void PenningTrap::evolve_RK4

(

double

dt

)

Go forward one timestep using the RK4 method.

Definition at line 104 of file PenningTrap.cpp.

external_B_field()

arma::vec PenningTrap::external_B_field

(

arma::vec

r

)

Calculate B at point r.

Definition at line 43 of file PenningTrap.cpp.

external_E_field()

arma::vec PenningTrap::external_E_field

(

arma::vec

r

)

Calculate E at point r.

Definition at line 32 of file PenningTrap.cpp.

force_on_particle()

arma::vec PenningTrap::force_on_particle	(	int	i,
		int	j
	)

Calculate the force between 2 particles.

Calculate the force exhibited on particle p_i from particle p_j.

Definition at line 50 of file PenningTrap.cpp.

get_d()

double PenningTrap::get_d

(

)

Definition at line 188 of file PenningTrap.cpp.

get_particle()

arma::vec PenningTrap::get_particle

(

int

i

)

Definition at line 183 of file PenningTrap.cpp.

total_force()

arma::vec PenningTrap::total_force

(

int

i

)

calculate the total force on a particle.

Definition at line 99 of file PenningTrap.cpp.

total_force_external()

arma::vec PenningTrap::total_force_external

(

int

i

)

Calculate the total external force on a particle.

Calculate the total amount of force that E and B exhibits on particle p_i.

Definition at line 65 of file PenningTrap.cpp.

total_force_particles()

arma::vec PenningTrap::total_force_particles

(

int

i

)

Calculate the total force on a particle from other particles.

Definition at line 80 of file PenningTrap.cpp.

Member Data Documentation

B_0

double PenningTrap::B_0

private

Magnetic field strength.

Definition at line 31 of file PenningTrap.hpp.

d

double PenningTrap::d

private

Characteristic dimension.

Definition at line 33 of file PenningTrap.hpp.

particles

std::vector<Particle> PenningTrap::particles

private

The particles in the Penning trap.

Definition at line 34 of file PenningTrap.hpp.

V_0

double PenningTrap::V_0

private

Applied potential.

Definition at line 32 of file PenningTrap.hpp.

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

• include/PenningTrap.hpp
• src/PenningTrap.cpp