3-D Numerical Surface Charge Model Including Relative Permeability: The General Theory

Author

van Casteren, Dave T. E. H. ; Paulides, J.J.H. ; Lomonova, E.A.

Author_Institution

Dept. of Electr. Eng., Eindhoven Univ. of Technol., Eindhoven, Netherlands

Volume

50

Issue

11

fYear

2014

fDate

Nov. 2014

Firstpage

1

Lastpage

4

Abstract

One of the still open issues within low-frequency magnetics is the inclusion of μ_r in the calculations using the magnetic charge method. In this paper, a new iterative method to consider the relative permeability is investigated. This new method assumes a position-dependent surface charge distribution. Comparisons between model and finite element method results show that the model accurately accounts for the permeability of a magnet and a soft-magnet block within four iterations.

Keywords

finite element analysis; inclusions; iterative methods; magnetic permeability; surface charging; 3D numerical surface charge model; finite element method; iterative method; low-frequency magnetics; magnet permeability; magnetic charge method; position-dependent surface charge distribution; soft-magnet block; Magnetic domains; Magnetic flux; Materials; Mathematical model; Numerical models; Permeability; Electromagnetic; relative permeability modeling; surface charge;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2014.2320194

Filename

6971582