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A hybrid technique for the analysis of scattering by impedance wedges

Osipov, Andrey (2004) A hybrid technique for the analysis of scattering by impedance wedges. In: 2004 URSI EMTS Proceedings, 2, pp. 1140-1142. EDIZIONI PLUS, Universita di Pisa, Pisa, Italy. URSI International Symposium on Electromagnetic Theory, 2004-05-23 - 2004-05-27, Pisa, Italy. ISBN 88-8492-252-6.

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A non-metallic wedge is an important canonical geometry of the high-frequency diffraction theory. Unfortunately, neither pure analytical nor pure numerical approaches can solve the problem. Analytical methods fail because the boundary-value problems are typically non-separable. Application of the numerical techniques, like boundary integral equations or finite elements, is complicated by the infinite size of the scatterer and the singular behaviour of the solution at the edge. This paper presents a hybrid approach to the problem of diffraction of a plane obliquely incident electromagnetic wave by a wedge with impedance boundary conditions. The approach is based on an eigenfunction expansion of the solution and combines analytical construction of the expansion functions with numerical determination of the expansion coefficients.

Item URL in elib:https://elib.dlr.de/6173/
Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information:LIDO-Berichtsjahr=2004
Title:A hybrid technique for the analysis of scattering by impedance wedges
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:2004 URSI EMTS Proceedings
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1140-1142
Publisher:EDIZIONI PLUS, Universita di Pisa, Pisa, Italy
Keywords:high-frequency methods, diffraction, wedge, impedance boundary conditions
Event Title:URSI International Symposium on Electromagnetic Theory
Event Location:Pisa, Italy
Event Type:international Conference
Event Dates:2004-05-23 - 2004-05-27
Organizer:Commission B (Fields and Waves) of the International Union of Radio Science (URSI)
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Osipov, Dr. Andrey
Deposited On:30 Jan 2006
Last Modified:06 Jan 2010 19:52

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