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Numerical Investigation of Electromagnetic Wave Scattering from an Inhomogeneous Solid and a Curvilinear Perfectly Conducting Screen

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Abstract

The purpose of the work is the development, software implementation, and testing of a projection method and a parallel algorithm for solving the problem of electromagnetic wave diffraction on a system of solids and screens. Galerkin method is implemented for the vector integrodifferential equation of the diffraction problem; basis vector functions on a three-dimensional body and a parameterized nonplanar screen are determined; parallel algorithm for solving the problem is implemented using the MSMPI library. Approximate solutions to the model problem are compared with the previously published results; the inner convergence of the Galerkin method is investigated; dependence of the solution in the area of inhomogeneity on a perfectly conducting screen is investigated. The proposed technique of approximation of solutions on a curvilinear screen is an effective method that significantly expands the class of diffraction problems solved by integral equations method; numerical tests have confirmed high efficiency of the parallel algorithm.

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Funding

This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

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  1. Penza State University, 440026, Penza, Russia

    O. S. Skvortsov & A. A. Tsupak

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  1. O. S. Skvortsov
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  2. A. A. Tsupak
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Correspondence to O. S. Skvortsov or A. A. Tsupak.

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Translated by N. Wadhwa

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Skvortsov, O.S., Tsupak, A.A. Numerical Investigation of Electromagnetic Wave Scattering from an Inhomogeneous Solid and a Curvilinear Perfectly Conducting Screen. Tech. Phys. 68, 187–198 (2023). https://doi.org/10.1134/S1063784223070034

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