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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.
Plane-parallel problem of DC magnetics
D = 0.5 inch,
H = 0.5 inch,
Magnet material - N35.
Calculate the magnetic field distribution.
Model may be defined and solved as a DC Magnetic Analysis problem.
Halbach array magnetic field distribution. The field below the array is lower than the field above the array.
Plot of magnetic field 0.03 inch below and 0.03 inch above the array.
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