A Comparative Study of the DGTD Algorithm and the FVTD Algorithm in Computational Electromagnetics

Author

Deng, Cong ; Yin, Wenlu ; Chai, Shunlian ; Mao, Junjie

Author_Institution

Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China

Volume

1

fYear

2010

fDate

28-31 May 2010

Firstpage

56

Lastpage

59

Abstract

By calculating some typical electromagnetic problems, the performances of the FVTD algorithm and the DGTD algorithm for computational electromagnetics are compared systematically, including the choice of the time step, the numerical accuracy, the CPU time and the memory requirement. The FVTD algorithm is more efficient for electrically small structure and is more accuracy for the structure with curved surface, but is not suitable for large scale electromagnetic phenomenon simulating. The DGTD is more resource consuming, but it is more accurate and has the potential ability to handle electrically large structure.

Keywords

Galerkin method; electromagnetic field theory; finite element analysis; DGTD algorithm; FVTD algorithm; computational electromagnetics; discontinuous Galerkin time domain; electrically large structure; electromagnetic problems; finite elements in time domain; Computational electromagnetics; Computational fluid dynamics; Educational institutions; Finite element methods; Interpolation; Large-scale systems; Maxwell equations; Polynomials; Testing; Time domain analysis; compare; discontinuous Galerkin time-domain (DGTD); eigenfrequency; finite-volume time-domain (FVTD); radar cross section (RCS);

fLanguage

English

Publisher

ieee

Conference_Titel

Computational Science and Optimization (CSO), 2010 Third International Joint Conference on

Conference_Location

Huangshan, Anhui

Print_ISBN

978-1-4244-6812-6

Electronic_ISBN

978-1-4244-6813-3

Type

conf

DOI

10.1109/CSO.2010.222

Filename

5533153