A fundamental approach: E-polarized electromagnetic wave diffraction by two dimensional arbitrary-shaped objects with impedance boundary condition

Vasil Tabatadze, Kamil Karaçuha*, Revaz Zaridze, Eldar Veliyev, Ertuĝrul Karaçuha

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2 Atıf (Scopus)

Özet

In the present study, a new methodology in computational electromagnetics is developed for two-dimensional arbitrarily-shaped objects with impedance boundary conditions. The proposed approach investigates the E-polarized electromagnetic diffraction by a two-dimensional object with the Leontovich boundary condition. The scattered electric and magnetic fields are expressed as the convolution integral of the corresponding Green's function and the current induced on the obstacle surface. After obtaining integral equations by applying the boundary condition, the integral equations are solved as in the case of the method of auxiliary sources (MAS) which is a well-known method in computational electrodynamics. The results are compared with first, different methods such as the method of moments (MoM), orthogonal polynomials (OP), and second, different boundary conditions such as Dirichlet, Neumann, and fractional boundary conditions. Some results are also obtained for the different shape scatterers at some values of the surface impedance.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)426-431
Sayfa sayısı6
DergiJournal of Electrical Engineering
Hacim73
Basın numarası6
DOI'lar
Yayın durumuYayınlandı - 1 Ara 2022

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Publisher Copyright:
© 2022 Vasil Tabatadze et al., published by Sciendo.

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