Transient finite element method using edge elements for moving conductor

Author

Tani, Koji ; Nishio, Takayuki ; Yamada, Takashi ; Kawase, Yoshihiro

Author_Institution

Japan Res. Inst. Ltd., Osaka, Japan

Volume

35

Issue

3

fYear

1999

fDate

5/1/1999 12:00:00 AM

Firstpage

1384

Lastpage

1386

Abstract

A transient finite element method using edge elements for moving conductors is presented. Here, the magnetic vector potential is interpolated at the upwind position and the time derivative term is discretized by the backward difference method. As a result, the system matrix becomes symmetric and the ICCG method is applicable to solve the matrix. This method is used to solve an eddy current rail brake system. The results demonstrate that this approach is suitable to solve transient problems involving movement

Keywords

eddy current braking; eddy currents; electromagnetic fields; finite element analysis; interpolation; railways; 3-D EM field analysis; ICCG method; backward difference method; eddy current rail brake system; edge elements; interpolation; magnetic vector potential; moving conductors; time derivative term; transient finite element method; transient problems; upwind position; Automobiles; Conductivity; Conductors; Eddy currents; Equations; Finite element methods; Information science; Rail transportation; Symmetric matrices; Transient analysis;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.767221

Filename

767221