Calculation of mechanical deformation of magnetic materials in electromagnetic devices

Author

Ren, Z. ; Ionescu, B. ; Besbes, M. ; Razek, A.

Author_Institution

Lab. de Genie Electrique de Paris, Paris VI Univ., France

Volume

31

Issue

3

fYear

1995

fDate

5/1/1995 12:00:00 AM

Firstpage

1873

Lastpage

1876

Abstract

A coupled model is developed to calculate mechanical deformation of magnetic materials in a magnetic field. The two equations governing magnetic and mechanical phenomena are solved simultaneously using the finite element method. The magnetic force distribution is calculated through a local application of the virtual work principle. The saturation of the material is considered. The nonlinear coupled system is solved by the Newton-Raphson method and the whole matrix is symmetrized. An example is given showing the effectiveness of the model

Keywords

Newton-Raphson method; deformation; electromagnetic devices; finite element analysis; magnetic fields; magnetic materials; EM devices; FEM; Newton-Raphson method; coupled model; electromagnetic devices; finite element method; magnetic field; magnetic force distribution; magnetic materials; mechanical deformation; nonlinear coupled system; saturation; virtual work principle; Couplings; Electromagnetic devices; Magnetic fields; Magnetic forces; Magnetic materials; Magnetic separation; Magnetoelasticity; Magnetostriction; Nonlinear equations; Saturation magnetization;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.376403

Filename

376403