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International Journal of Antennas and Propagation
Volume 2014 (2014), Article ID 745413, 12 pages
http://dx.doi.org/10.1155/2014/745413
Research Article

The Exact Absorbing Conditions Method in the Analysis of Open Electrodynamic Structures: Circular and Coaxial Waveguides

1L.N. Gumilyov Eurasian National University, 5, Kazhimukan Street, Astana 010008, Kazakhstan
2A.Y. Usikov Institute of Radiophysics and Electronics, National Academy of Sciences of Ukraine, 12 Acad. Proskura Street, Kharkiv 61085, Ukraine

Received 28 November 2013; Accepted 25 March 2014; Published 23 April 2014

Academic Editor: Stefano Selleri

Copyright © 2014 Seil S. Sautbekov et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The exact absorbing conditions (EAC) have been constructed and used for truncating an unbounded domain of computation in open initial boundary value problems, which describe space-time transformations of electromagnetic waves in axially symmetrical waveguides. The equivalence theorem is proved that gives grounds for rigorous theoretical justification of the EAC-method.