Efficient technique for 3-D edge element method considering geometrical symmetry

Author

Im, Chang-Hwan ; Kim, Hong-Kyu ; Jung, Hyun-Kyo

Author_Institution

Sch. of Electr. Eng., Seoul Nat. Univ., South Korea

Volume

37

Issue

5

fYear

2001

fDate

9/1/2001 12:00:00 AM

Firstpage

3190

Lastpage

3193

Abstract

When geometry of a model is symmetric but the current distribution is not, periodic boundary condition can not be applied to the analysis. In this paper, an efficient method for resolving this problem in the 3-D edge element method is proposed It is shown that the novel technique that adopts the domain decomposition method (DDM) is easy to implement compared with the conventional group representation theory and it enables one to take full advantage of symmetry. The limitation of the method and consideration of nonlinearity are discussed as well. The method is applied to a deflection yoke (DY), and validity and efficiency are verified

Keywords

boundary-elements methods; cathode-ray tubes; coils; current distribution; magnetic fields; 3D edge element method; current distribution; deflection yoke; domain decomposition method; geometrical symmetry; nonlinearity; periodic boundary condition; Boundary conditions; Coils; Current distribution; Distributed decision making; Ferrites; Finite element methods; Geometry; Magnetic analysis; Magnetic fields; Solid modeling;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.952574

Filename

952574