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On some numerical aspects of the scattering problem by buried cylinders

Fabrizio Frezza (Department of Information Engineering, Electronics and Telecommunications, “La Sapienza” University of Rome, Rome, Italy)
Lara Pajewski (Department of Applied Electronics, “Roma Tre” University, Rome, Italy)
Cristina Ponti (Department of Applied Electronics, “Roma Tre” University, Rome, Italy)
Giuseppe Schettini (Department of Applied Electronics, “Roma Tre” University, Rome, Italy)
Nicola Tedeschi (Department of Information Engineering, Electronics and Telecommunications, “La Sapienza” University of Rome, Rome, Italy)
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Abstract

Purpose

The purpose of this paper is to investigate the numerical aspects of the electromagnetic scattering of a plane wave by a set of buried cylinders.

Design/methodology/approach

The cylindrical wave approach is employed. The analytical model is implemented in a Fortran code. The numerical aspects of the technique are presented, with particular emphasis on the numerical evaluation of the integrals involved in the procedure.

Findings

The tool obtained allows a fast computation of the electromagnetic field scattered by an arbitrary disposition of circular cylinders below an interface. Comparisons with the finite element method are proposed, showing the very good agreement between the results obtained with the two different approaches.

Originality/value

The advantages of the proposed technique in terms of computational weight are explained. The method can be useful in a wide class of application, e.g. in the ground penetrating radar applications, microscopy, biomedical applications, etc.

Keywords

Citation

Frezza, F., Pajewski, L., Ponti, C., Schettini, G. and Tedeschi, N. (2013), "On some numerical aspects of the scattering problem by buried cylinders", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 32 No. 6, pp. 1809-1820. https://doi.org/10.1108/COMPEL-10-2012-0275

Publisher

:

Emerald Group Publishing Limited

Copyright © 2013, Emerald Group Publishing Limited

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