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Halbach array

A Halbach Array is the special arrangement of permanent magnets with alternating polarization designed to make the magnetic field on one side much higher than the field on the other side.

Problem type:
Plane-parallel problem of DC magnetics

Geometry:

Halbach array

Given:
D = 0.5 inch,
H = 0.5 inch,
Magnet material - N35.

Task:
Calculate the magnetic field distribution.

Solution:
Model may be defined and solved as a DC Magnetic Analysis problem.

Results:
Halbach array magnetic field distribution. The field below the array is lower than the field above the array.

Halbach array magnetic field distribution

Plot of magnetic field 0.03 inch below and 0.03 inch above the array.

Halbach array flux density distribution

References:
http://en.wikipedia.org/wiki/Halbach_array
https://www.kjmagnetics.com/blog.asp?p=halbach-arrays

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