Computation of 3-D magnetostatic fields using a reduced scalar potential

Author

Biro, O. ; Preis, IC ; Vrisk, G. ; Richter, K.R. ; Ticar, I.

Author_Institution

Graz Univ. of Technol., Austria

Volume

29

Issue

2

fYear

1993

fDate

3/1/1993 12:00:00 AM

Firstpage

1329

Lastpage

1332

Abstract

Some improvements to the finite element computation of static magnetic fields in three dimensions using a reduced magnetic scalar potential are presented. Methods are described for obtaining an edge element representation of the rotational part of the magnetic field from a given source current distribution. When the current distribution is not known in advance, a boundary value problem is set up in terms of a current vector potential. An edge element representation of the solution can be directly used in the subsequent magnetostatic calculation. The magnetic field in a DC arc furnace is calculated by first determining the current distribution in terms of a current vector potential. A 3-D problem involving a permanent magnet as well as a coil is solved, and the magnetic field in some points is compared with measurement results

Keywords

arc furnaces; boundary-value problems; coils; finite element analysis; magnetic fields; magnetostatics; permanent magnets; 3-D magnetostatic fields; DC arc furnace; boundary value problem; coil; current vector potential; edge element representation; finite element computation; permanent magnet; reduced scalar potential; rotational part; source current distribution; static magnetic fields; three dimensions; Coils; Current density; Current distribution; Finite element methods; Magnetic field measurement; Magnetic fields; Magnetic flux; Magnetic separation; Magnetostatics; Permanent magnets;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.250643

Filename

250643