Stability criterion for radial wave equation in finite-difference time-domain method

Authors
Potter, ME Okoniewski, M
Citation
Me. Potter et M. Okoniewski, Stability criterion for radial wave equation in finite-difference time-domain method, ELECTR LETT, 37(8), 2001, pp. 488-489
Citations number
7
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
ELECTRONICS LETTERS
ISSN journal
00135194 → ACNP
Volume
37
Issue
8
Year of publication
2001
Pages
488 - 489
Database
ISI
SICI code
0013-5194(20010412)37:8<488:SCFRWE>2.0.ZU;2-N
Abstract
A relaxed time-step stability criterion is derived for the radial wave equa tion in Schelkunoff form approximated by a finite-difference time-domain (F DTD) method. The criterion is established by comparing with the Cartesian L aplacian operator. This is the first step in developing stability analysis for a spherical wave implementation in FDTD.