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2 Journal of Telecommunications and Information Technology

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Electromagnetic Scattering of Inhomogeneous Plane Wave by Ensemble of Cylinders

Dinia Lorenzo, Mangini Fabio, Frezza Fabrizio

Journal of Telecommunications and Information Technology

2020

nr 3

86--92

The interaction between an ensemble of cylinders and an inhomogeneous plane wave is introduced and is determined, in the present paper, through a rigorous theoretical approach. Scattered electromagnetic ﬁeld generated by an indeﬁnite number of inﬁnite circular cylinders is analyzed by the application of the generalized vector cylinder harmonics (VCH) expansion. The exact mathematical model relied upon to represent this scenario considers the so-called complex-angle formalism reaching a superposition of vectorial cylindrical-harmonics and Foldy-Lax Multiple scattering equations (FLMSE) to account for the multiscattering process between the cylinders. The method was validated by comparing the numerical results obtained with the use of the ﬁnite element method and a homemade Matlab code.

Electromagnetic Scattering by a Cylinder in a Lossy Medium of an Inhomogeneous Elliptically Polarized Plane Wave

Mangini Fabio, Dinia Lorenzo, Frezza Fabrizio

Journal of Telecommunications and Information Technology

2019

nr 4

36--42

In this paper, a rigorous theoretical approach, adopted in order to generalize the Vectorial CylindricalHarmonics (VCH) expansion of an inhomogeneous elliptically polarized plane wave, is presented. An application of the VCH expansion to analyze electromagnetic ﬁeld scattered by an inﬁnite circular cylinder is presented. The results are obtained using the so-called complex-angle formalism reaching a superposition of Vectorial Cylindrical-Harmonics. To validate the method, a Matlab code was implemented. Also, the validity of the methodology was conﬁrmed through some comparisons between the proposed method and the numerical results obtained based on the Finite Element Method (FEM) in the canonical scenario with a single cylinder.