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High-frequency asymptotic solutions benchmarking skew incidence diffraction by anisotropic impedance half and full planes

Osipov, Andrey and Nepa, Paolo and Manara, Giuliano and Armogida, Andreina (2007) High-frequency asymptotic solutions benchmarking skew incidence diffraction by anisotropic impedance half and full planes. Radio Science, 42 (6). DOI: 10.1029/2007RS003650.

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Abstract

The diffraction of plane waves obliquely incident on the edge of anisotropic impedance half and full planes is investigated. Homogeneous anisotropic impedance boundary conditions are defined on both faces of the canonical structures under study, the principal anisotropy axes being parallel and perpendicular to the edge. Rigorous integral representations for the longitudinal field components are derived by applying the Sommerfeld-Maliuzhinets method for a set of specific electrical configurations. Explicit uniform asymptotic expressions for the fields are given in the format of the Uniform Geometrical Theory of Diffraction (UTD). Although obtained for a specific class of geometrical and electrical configurations, these high-frequency solutions provide a contribution for investigating the effects of material anisotropy on edge diffraction, as they represent a new set of reference cases for either developing perturbative solutions or testing numerical and approximate analytical methods of more general validity. Furthermore, these solutions extend the applicability of the Sommerfeld-Maliuzhinets technique and represent a step forward to the solution of more general wedge canonical problems.

Document Type:Article
Title:High-frequency asymptotic solutions benchmarking skew incidence diffraction by anisotropic impedance half and full planes
Authors:
AuthorsInstitution or Email of Authors
Osipov, AndreyUNSPECIFIED
Nepa, PaoloDepartment of Information Engineering, University of Pisa, Italy
Manara, GiulianoDepartment of Information Engineering, University of Pisa, Italy
Armogida, AndreinaRTW S.r.l, Pisa, Italy
Date:2007
Journal or Publication Title:Radio Science
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:42
DOI:10.1029/2007RS003650
Status:Published
Keywords:Anisotropic surface, half plane, full plane impedance junction, reflection, scattering, UTD
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Microwave Systems
Deposited By: Dr. Andrey Osipov
Deposited On:05 Feb 2008
Last Modified:15 Jan 2010 01:51

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