Analysis of Sharp Metal Edges at 45° to the FDTD Grid

IEEE Microwave and Guided Wave Letters

Volumn 9, Issue 6, 1999, Pages 221-223

  Esselle, Karu P ^a   Okoniewski, Michal ^b   Stuchly, Maria A ^c  

^a MACQUARIE UNIVERSITY   (Australia)

^b UNIVERSITY OF CALGARY   (Canada)

^c UNIVERSITY OF VICTORIA   (Canada)

Author keywords

Edge; FDTD; microstrip; singular; strip

Indexed keywords

ELECTROMAGNETIC WAVE PROPAGATION; FINITE DIFFERENCE METHOD; GEOMETRY; MICROSTRIP LINES; STABILITY; TIME DOMAIN ANALYSIS;

CONTOUR PATH METHOD; FINITE DIFFERENCE TIME DOMAIN GRID; SHARP METAL EDGES;

ELECTROMAGNETIC FIELD THEORY;

EID: 0032670569     PISSN: 10518207     EISSN: None     Source Type: Journal    
DOI: 10.1109/75.769527     Document Type: Article

References (8)

1. J. Fang and J. Ren,“A locally conformed finite-difference time-domain algorithm of modeling arbitrary shape planar metal strips,”IEEE Trans. Microwave Theory Tech., vol. 41, pp. 830-838, May 1993.
2. A. Taflove, Computational Electromagnetics, The Finite-Difference Time-Domain Method. Boston, MA: Artech House, 1995.
3. L. Cascio, G. Tardioli, T. Rozzi, and W. J. R. Hoefer,“A quasistatic modification of TLM at knife edge and 90° wedge singularities,”IEEE Trans. Microwave Theory Tech., vol. 44, pp. 2519-2524, Dec. 1996.
4. I. J. Craddock and C. J. Railton,“Stable inclusion of a priori knowledge of field behavior in the FD-TD algorithm: Application to the analysis of microstrip lines,”in IEEE AP-S Int. Symp., Baltimore, MD, July 1996, pp. 1300-1303.
5. G. Mur,“The modeling of singularities in the finite-difference approxi mation of the time-domain electromagnetic field equations,”IEEE Trans. Microwave Theory Tech., vol. 29, pp. 1073-1077, Oct. 1981.
6. K. P. Esselle, M. Okoniewski, and M. A. Stuchly,“Accurate modeling of field singularities at metal edges diagonal to the FD-TD grid,”in IEEE Antennas and Propagat. Int. Symp., Montreal, Canada, July 1997, pp. 2176-2179.
7. J. Van Bladel, Singular Electromagnetic Fields and Sources. Oxford, U.K.: Clarendon, 1991, p. 121.
8. K. P. Esselle and M. Foroughipour,“Enhanced FD-TD equations for sharp, diagonal, metal edges at arbitrary angles,”in IEEE Antennas and Propagat. Int. Symp., Atlanta, GA, June 1998, pp. 604-607.