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Computational electromagnetics

About: Computational electromagnetics is a research topic. Over the lifetime, 6412 publications have been published within this topic receiving 113727 citations. The topic is also known as: Electromagnetic field analysis.


Papers
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Journal ArticleDOI
TL;DR: In this article, the scattering of a relativistic electron on particles with some electromagnetic structure and spin up to s = 3/2 was investigated, and the cross-sections, in the first Born approximation for the electromagnetic field, were calculated.
Abstract: The scattering of a relativistic electron on particles with some electromagnetic structure and spin up tos=3/2 is investigated, and the cross-sections, in the first Born approximation for the electromagnetic field, are calculated A possible estimation of the proton radius is given on the basis of quite general arguments

50 citations

Journal ArticleDOI
TL;DR: In this paper, the authors developed a technique to calculate the reflection, absorption, and transmission of electromagnetic waves by a bounded plasma region, which is referred to as Scattering Matrix Model (SMM).
Abstract: This paper aims at developing a technique to calculate the reflection, absorption, and transmission of electromagnetic waves by a bounded plasma region. The model chosen for this study is a magnetized, steady-state, two-dimensional, nonuniform plasma slab, which is presented by a number of parallel flat layers. It is assumed that the electron density is constant in each layer such that the overall electron density profile across the slab follows any prescribed distribution function. The proposed technique is referred to as Scattering Matrix Model (SMM). The fields in each layer are written in the form of summation of the appropriate eigen functions weighted by unknown scattering coefficients. These coefficients are determined via the application of the appropriate boundary conditions at each interface. The effect of varying the wave frequency and the plasma parameters on the reflected, transmitted, and absorbed powers are presented and discussed.

50 citations

Journal ArticleDOI
01 Dec 1995
TL;DR: Because leukemia changes the electrical properties of bone marrow, it might be possible to detect the disease via electromagnetic imaging, numerical experiments using inverse problem solving and synthetic data suggest that this approach may work.
Abstract: Because leukemia changes the electrical properties of bone marrow, it might be possible to detect the disease via electromagnetic imaging, numerical experiments using inverse problem solving and synthetic data suggest that this approach may work.

50 citations

Journal ArticleDOI
TL;DR: In this article, the electromagnetic radiation of an electric dipole in a medium with three layers was examined using dyadic Green's functions, and it was shown that the excitation of this wave may be reinforced through a dipole inclination and an optimum position may be determined.
Abstract: The electromagnetic radiation of an electric dipole in a medium with three layers is examined using dyadic Green's functions. The far zone field for problems of this nature is primarily determined from the lateral wave. It is shown that the excitation of this wave may be reinforced through a dipole inclination and an optimum position may be determined. The radio losses for typical forests were calculated for vertical and horizontal dipoles and for dipoles with an optimum inclination. The theoretical results are in good agreement with the available experimental data.

49 citations

Journal ArticleDOI
TL;DR: In this article, two numerical methods are used to evaluate the integrals that express the em fields due to dipole antennas radiating in the presence of a stratified medium, and they can be used for any arbitrary number of layers with general properties.
Abstract: Two numerical methods are used to evaluate the integrals that express the em fields due to dipole antennas radiating in the presence of a stratified medium. The first method is a direct integration by means of Simpson's rule. The second method is indirect and approximates the kernel of the integral by means of the fast Fourier transform. In contrast to previous analytical methods that applied only to two-layer cases the numerical methods can be used for any arbitrary number of layers with general properties.

49 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202325
2022101
2021153
202091
2019109
2018107