Numerical study of electromagnetic wave scattering from a non-homogeneous solid and curvilinear perfectly conducting screen

Autor: Oleg S. Skvortsov, Aleksey A. Tsupak
Jazyk: English<br />Russian
Rok vydání: 2023
Předmět:
Zdroj: Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 3 (2023)
Druh dokumentu: article
ISSN: 2072-3040
DOI: 10.21685/2072-3040-2023-3-4
Popis: Background. The purpose of the work is 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. Material and methods. Galerkin method is implemented for the vector integro-differential 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. Results. approximate solutions of 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. Conclusions. The proposed method of approximation on a curvilinear screen is an effective method that significantly expands the class of diffraction problems solved by integral equations method; numerical tests confirmed high efficiency of the parallel algorithm.
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