Designing magnets with prescribed magnetic fields

Details Designing magnets with prescribed magnetic fields Designing magnets with prescribed magnetic fields

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011njph...13c3013l&link_type=abstract

New Journal of Physics, Volume 13, Issue 3, pp. 033013 (2011).

Physics

Scientific paper

We present a novel design method capable of finding the magnetization densities that generate prescribed magnetic fields. The method is based on the solution to a simple variational inequality and the resulting designs have simple piecewise-constant magnetization densities. By this method, we obtain new designs of magnets that generate commonly used magnetic fields: uniform magnetic fields, self-shielding fields, quadrupole fields and sextupole fields. Further, it is worth noting that this method is not limited to the presented examples, and in particular, three-dimensional designs can be constructed in a similar manner. In conclusion, this novel design method is anticipated to have broad applications where specific magnetic fields are important for the performance of the devices.

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