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Digitale Medien

Transverse demagnetizing factors of long rectangular bars. II. Numerical calculations for arbitrary susceptibility (2002)

Pardo, Enric ; Sanchez, Alvaro

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 91 (2002), S. 5260-5267

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Details

ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: For an infinitely long bar with rectangular cross section 2a×2b and constant susceptibility χ in a uniform transverse applied field Ha along dimension a, the fluxmetric and magnetometric demagnetizing factors Nf,m as functions of a/b and χ are accurately computed using a finite-elements method. By comparison of the computed results with exact analytical results for χ=−1,0,∞ and with a set of conjugate relations derived in this work, the elements distributions have been optimized to give a minimum discretization error. This error is further greatly reduced in the final results of Nf,m by using an error correction approach previously proposed in a similar work for cylinders. © 2002 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1459746

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