NDLI: FEMATS: a general-purpose scattering code using the finite element method

Content Provider	IEEE Xplore Digital Library
Author	Chatterjee, A. Nurnberger, M. Volakis, J. Casciato, M.
Copyright Year	1996
Description	Author affiliation: Radiat. Lab., Michigan Univ., Ann Arbor, MI, USA (Chatterjee, A.; Nurnberger, M.; Volakis, J.; Casciato, M.)
Abstract	The focus of the article is the code FEMATS, developed at the Radiation Laboratory of the University of Michigan. FEMATS is a general-purpose code for computing the radar cross-section (RCS) of arbitrary three dimensional targets with material inhomogeneities. It employs state-of-the-art techniques in finite element modeling of open structures, the latest sparse matrix solutions and graphical user interface for pre- and post-processing of the geometry and data files. Although the code has been primarily used for finding the echo-area of targets, FEMATS can be easily extended to solve open domain problems related to antennas, microwave circuits and cellular phones. The power of FEMATS comes from two features inherent in the technique: (i) the ability to model complicated geometries in three dimensions having arbitrary material fillings without code modification; (ii) the O(N) memory requirement of the method due to the employed local mesh termination techniques conformal to the target. This feature essentially implies that the technique scales favorably with problem size and thus very large problems can be tackled with minimal usage of computer memory and time.
Starting Page	339
Ending Page	344
File Size	525954
Page Count	6
File Format	PDF
ISBN	0780331451
DOI	10.1109/NRC.1996.510704
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-05-13
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Solid modeling Geometry Radar scattering Laboratories Radar cross section Sparse matrices Graphical user interfaces Microwave antennas Microwave circuits
Content Type	Text
Resource Type	Article

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