Model of Magnetic Anisotropy for Non-Oriented Steel Sheets for Finite Element Method
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School of Electrical Engineering |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2016
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Mcode
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Language
en
Pages
4
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IEEE Transaction on Magnetism, Volume 52, issue 3
Abstract
Even non-oriented steel sheets present a magnetic anisotropic behavior. From rotational flux density measurements at 5 Hz, the model of magnetic anisotropy is derived from two surface Basis-cubic splines with the boundary conditions matching with ferromagnetic theory. Furthermore, the investigation of the magnetic anisotropy shows that the H(B) characteristic is not strictly monotonous due to the angle difference between the field and the flux density. Hence, standard non-linear solvers would eitherdiverge or converge towards the closest local minimum. Thus, we propose two different specific solvers: a combined Particle Swarm Optimization with a relaxed Newton-Raphson and a Modified Newton Method.Description
Keywords
Magnetic anisotropy, modified Newton method, Newton Raphson, non-oriented steel sheet, particle swarm optimization, surface basis-cubic spline
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Citation
Martin, Floran & Singh, Deepak & Rasilo, Paavo & Belahcen, Anouar & Arkkio, Antero. 2016. Model of Magnetic Anisotropy for Non-Oriented Steel Sheets for Finite Element Method. IEEE Transaction on Magnetism. Volume 52, issue 3. 4. DOI: 10.1109/TMAG.2015.2488100.