A new elliptical artificial coupling boundary in the hybrid finite element-analytical approach for 2-D open boundary electromagnetic field computation

Author

Han, She-Jiao ; He, Jin-Liang ; Gu, Shan-Qiang ; Zou, Jun

Author_Institution

Sch. of Sci., Xidian Univ., Xi´´an, China

Volume

41

Issue

5

fYear

2005

fDate

5/1/2005 12:00:00 AM

Firstpage

1372

Lastpage

1375

Abstract

An elliptical artificial boundary is introduced in the hybrid finite element method-analytical approach (FEM-ANA) for open boundary 2-D electromagnetic problems. It includes, as a special case, the circular artificial boundary (CAB) of Chari. The new artificial boundary (AB) is more flexible close to the configuration of the interested region than CAB, and makes the computation region of FEM reduced; meanwhile, it enlarges analytical solution region. The cost of the analysis of the exterior region for the two ABs is almost the same. The proposed approach is applied in analysis of electrostatic field and eddy current field problems.

Keywords

boundary-value problems; computational electromagnetics; eddy currents; electric fields; electromagnetic fields; finite element analysis; 2D electromagnetic problems; 2D open boundary electromagnetic field computation; circular artificial boundary; eddy current field problems; electrostatic field problem; elliptical artificial coupling boundary; hybrid finite element-analytical approach; open boundary problems; Costs; Eddy currents; Educational Activities Board; Eigenvalues and eigenfunctions; Electromagnetic coupling; Electromagnetic fields; Electrostatics; Finite element methods; Helium; Shape; Analytical solution; eddy current field problems; electrostatic field problem; elliptical artificial boundary (EAB); finite element method (FEM); hybrid approach; open boundary problems;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2005.844369

Filename

1430862