Event
IEEE Antennas and Propagation Society Talk, Dr. Sadasiva Rao
Monday, April 18, 2011
5:00 p.m.
2460 A. V. Williams Building
Brian Riely
brian.riely@ieee.org
http://ewh.ieee.org/r2/no_virginia/aps/Announcements.html
"Electromagnetic Scattering from Arbitary Bodies Using Rao-Wilton-Glisson (RWG) functions--An Overview"
Speaker: Dr. Sadasiva Rao
Date: Monday, April 18, 2011
Time: 5:00 Refreshments and snacks
5:30 to 7:00 Seminar including Q&A period
Location: University of Maryland
2460 A. V. Williams Building
Abstract
For scattering problems concerning arbitrary shaped bodies, the method of moments (MoM) has provided a practical means of solution using surface integral equations. Although there exist several numerical procedures to solve such MoM problems, the most popular of such schemes employs triangular patch modeling and Rao-Wilton-Glisson (RWG) vector basis functions. In this work, we examine the application of RWG functions for various situations, in frequency domain as well as in time domain involving: a) only PEC bodies, b) only dielectric bodies, and c) a combination of both conductor/dielectric bodies. We investigate various expansion and testing schemes adopted for successful numerical implementation of the afore mentioned problems and analyze the circumstances necessitated to develop those schemes. We also look at a few recent numerical procedures which further extend the applicability of these functions and the method of moments itself to electrically large problems.
Bio:
Sadasiva M. Rao received the Bachelors degree in electrical communication engineering from Osmania University in 1974, Masters degree in microwave engineering from Indian Institute of Sciences in 1976, and Ph.D. degree with specialization in electromagnetic theory from University of Mississippi in 1980.
Dr. Rao served as an Assistant Professor in the Department of Electrical Engineering, Rochester Institute of Technology from 1980 to 1985, Senior Scientist at Osmania University from 1985 to 1987, and as a Professor in the Department of Electrical and Computer Engineering, Auburn University from 1988 to 2009. He also held visiting Professorships at University of Houston (1987to 1988), Osmania University, and Indian Institute of Science. Presently, he is with the Radar Division, Naval Research Laboratory, Washington, DC. Dr. Rao worked extensively in the area of numerical modeling techniques as applied to Electromagnetic/Acoustic Scattering. He and his team at the University of Mississippi, were the original researchers to develop the planar triangular patch model and to solve the problem of EM scattering by arbitrary shaped conducting bodies. For this work, he received the best paper award for the period 1979 to 1981 from SUMMA Foundation. He published/presented over 150 papers in international journals/conferences. For his contributions in numerical electromagnetic problems, he was awarded the status of Fellow of IEEE. Further, he was recognized as a HIGHLY CITED RESEARCHER by Thomson ISI in 2001.
Dr. Rao's research interests are in the area of numerical methods applied to antennas and scattering
