Fundamental gridding related dispersion effects in multiresolution time domain schemes

Author

Sarris, C.D. ; Katehi, L.P.B.

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA

Volume

2

fYear

2001

fDate

20-24 May 2001

Firstpage

749

Abstract

The effect of electric and magnetic node arrangement on the dispersion characteristics of the multiresolution time domain technique is investigated in this paper. It is first noted that by multiresolution analysis principles, introducing one wavelet level refines the resolution of a numerical scheme based on scaling functions only, by a factor of two. However, the dispersion analysis of recently formulated MRTD schemes shows that this is not always the case. The apparent contradiction is resolved by indicating that MRTD does achieve its predicted dispersion performance under certain meshing conditions that are outlined here.

Keywords

Maxwell equations; dispersion (wave); mesh generation; time-domain analysis; waveguide theory; wavelet transforms; dispersion performance; gridding related dispersion effects; meshing conditions; multiresolution time domain schemes; node arrangement; scaling functions; wavelet level; Computational geometry; Dispersion; Finite difference methods; Laboratories; Magnetic domains; Magnetic fields; Multiresolution analysis; Time domain analysis; Wavelet analysis; Wavelet domain;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest, 2001 IEEE MTT-S International

Conference_Location

Phoenix, AZ, USA

ISSN

0149-645X

Print_ISBN

0-7803-6538-0

Type

conf

DOI

10.1109/MWSYM.2001.967001

Filename

967001