A comparison of numerical methods for computing electromagnetic fields

Author

Sadiku, Matthew O. ; Peterson, Andrew

Author_Institution

Dept. of Electr. Eng., Temple Univ., Philadelphia, PA, USA

fYear

1990

fDate

1-4 Apr 1990

Firstpage

42

Abstract

The task of comparing numerical techniques used to solve electromagnetic-related problems not amenable to exact solution is discussed. A critical comparison of some of the methods is provided. These methods have advantages and disadvantages depending on the application, and, on the whole, the problem of choosing the optimal method for numerical modeling remains open. The methods that are analyzed are the finite-difference method (FDM), the finite-element method (FEM), the method of moments (MOM) the finite-difference time-domain (FD-TD) method, the transmission-line-matrix (TLM) method, and the boundary element method (BEM). Specifically, FDM and FEM are compared, FD-TD and TLM are compared, and FEM and MOM are compared. The numerical methods complement each other rather than compete with each other. Each provides a check and a better understanding of the other

Keywords

electrical engineering computing; electromagnetic fields; numerical methods; BEM; FD-TD; FDM; FEM; MOM; TLM; boundary element method; electromagnetic fields; electromagnetic-related problems; exact solution; finite-difference method; finite-difference time-domain; finite-element method; method of moments; numerical modeling; numerical techniques; optimal method; transmission-line-matrix; Differential equations; Electromagnetic analysis; Electromagnetic fields; Finite difference methods; Finite element methods; Humans; Integral equations; Moment methods; Numerical models; Virtual manufacturing;

fLanguage

English

Publisher

ieee

Conference_Titel

Southeastcon '90. Proceedings., IEEE

Conference_Location

New Orleans, LA

Type

conf

DOI

10.1109/SECON.1990.117766

Filename

117766