In this paper, we present a rigorous analytical and numerical method to evaluate the scattering of a plane electromagnetic wave by an infinite, perfectly conducting elliptic cylinder parallel to a non-perfectly reflecting plane surface. The analytical solution is based on the spectral domain method and the plane-wave expansion of the elliptic cylindrical waves and is applicable in a broad variety of cases in which the properties of the plane surface may be expressed by means of a reflection coefficient. The proposed approach is suitably implemented in a specific computational code to achieve a numerical solution. Results of validation trials, performed by using finite element method commercial software, are provided.

Electromagnetic scattering of a plane wave by a perfectly conducting elliptic cylinder near a plane surface / Santini, C.; Mangini, F.; Frezza, F.. - In: JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER. - ISSN 0022-4073. - 303:(2023). [10.1016/j.jqsrt.2023.108585]

Electromagnetic scattering of a plane wave by a perfectly conducting elliptic cylinder near a plane surface

Santini C.
Primo
;
Mangini F.
Secondo
;
Frezza F.
Ultimo
2023

Abstract

In this paper, we present a rigorous analytical and numerical method to evaluate the scattering of a plane electromagnetic wave by an infinite, perfectly conducting elliptic cylinder parallel to a non-perfectly reflecting plane surface. The analytical solution is based on the spectral domain method and the plane-wave expansion of the elliptic cylindrical waves and is applicable in a broad variety of cases in which the properties of the plane surface may be expressed by means of a reflection coefficient. The proposed approach is suitably implemented in a specific computational code to achieve a numerical solution. Results of validation trials, performed by using finite element method commercial software, are provided.
2023
Electromagnetic scattering, Elliptic cylinder, Plane surface, Spectral domain method, Plane-wave spectrum, Mathieu functions
01 Pubblicazione su rivista::01a Articolo in rivista
Electromagnetic scattering of a plane wave by a perfectly conducting elliptic cylinder near a plane surface / Santini, C.; Mangini, F.; Frezza, F.. - In: JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER. - ISSN 0022-4073. - 303:(2023). [10.1016/j.jqsrt.2023.108585]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1677792
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