simulations.objects
Class Line3DMagneticDipoles

java.lang.Object
  simulations.objects.BaseObject
      simulations.objects.Line3DMagneticDipoles

public class Line3DMagneticDipoles

extends BaseObject

Line 3D Magnetic Dipoles: This BaseObject calculates the non-relativistic electric and magnetic fields of a line of magnetic dipoles is at position p moving with velocity v. The axis of the line is given by the unit vector tline and the magnetic dipole moment per unit length vector is given by mdipole.

Field Summary

int	image image charge parameter for line of dipoles.
Vec3	mdipole the magnetic dipole moment per unit length vector of the line of dipoles
Vec3	p the position of the beginning of the line of dipoles
Vec3	tline A unit vector along the axis of the line of dipoles
Vec3	v Velocity of the line of magnetic dipoles
double	zplane The location of the thin conducting sheet in z

Constructor Summary

Line3DMagneticDipoles(Vec3 mdipole, Vec3 tline, Vec3 p, Vec3 v, double zplane, int image)
constructor for the line of dipoles

Method Summary

Vec3	Bfield(Vec3 x, Vec3 B) the magnetic field of a non-relativistic line of moving magnetic dipoles
Vec3	Efield(Vec3 x, Vec3 E) the electric field of a moving monopole
java.lang.String	toString() writes properties of the point charge to a string

Methods inherited from class simulations.objects.BaseObject

Bfield, Efield, Evolve, Pfield, Pfield

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

mdipole

public Vec3 mdipole

the magnetic dipole moment per unit length vector of the line of dipoles

tline

public Vec3 tline

A unit vector along the axis of the line of dipoles

p

public Vec3 p

the position of the beginning of the line of dipoles

v

public Vec3 v

Velocity of the line of magnetic dipoles

zplane

public double zplane

The location of the thin conducting sheet in z

image

public int image

image charge parameter for line of dipoles. If image = 0 this is just a normal line of dipoles; if image = 1 then this is a line dipole whose magnetic and electric fields are non-zero only for observers with z > 0; if image = -1 then this is a line dipole whose magnetic and electric fields are non-zero for observers with z < 0

Constructor Detail

Line3DMagneticDipoles

public Line3DMagneticDipoles(Vec3 mdipole,
                             Vec3 tline,
                             Vec3 p,
                             Vec3 v,
                             double zplane,
                             int image)

constructor for the line of dipoles

Parameters:

mdipole - the magnetic dipole moment per unit length

tline - A unit vector along the axis of the line of dipoles.

p - The position of the beginning of the line of dipoles.

zplane - The location of the conducting plane.

image - The image charge parameter for the line of dipoles.

Method Detail

Bfield

public Vec3 Bfield(Vec3 x,
                   Vec3 B)

the magnetic field of a non-relativistic line of moving magnetic dipoles

Specified by:

Bfield in class BaseObject

Parameters:

x - the position of the observer

B - the magnetic field at the position of the observer due to the line dipole at p (calculated)

Returns:

B the magnetic field at the position of the observer due to the line dipole at p (calculated)

Efield

public Vec3 Efield(Vec3 x,
                   Vec3 E)

the electric field of a moving monopole

Specified by:

Efield in class BaseObject

Parameters:

x - the position of the observer

E - the electric field at the observer's position if the monopope is at p (calculated)

Returns:

zero for a stationary charge

toString

public java.lang.String toString()

writes properties of the point charge to a string