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Инд. авторы: Berendeev E., Efimova A., Vshivkov V., Dudnikova G.
Заглавие: A simple absorbing layer for em-radiation from a beam-plasma interaction system
Библ. ссылка: Berendeev E., Efimova A., Vshivkov V., Dudnikova G. A simple absorbing layer for em-radiation from a beam-plasma interaction system // Mathematical Methods in the Applied Sciences. - 2018. - ISSN 0170-4214. - EISSN 1099-1476.
Внешние системы: DOI: 10.1002/mma.5253; РИНЦ: 35728151;
Реферат: eng: In this paper, a problem of taking into account the electromagnetic radiation power in a numerical simulation of electron beam-plasma interaction is considered. The numerical model is based on the particle-in-cell (PIC) method and the finite-difference time-domain (FDTD) scheme for solving Maxwell equations. As a boundary condition, it is proposed to use a simple layer of absorption, that is, artificial attenuation of an electromagnetic wave by multiplying the electromagnetic field in the boundary domain by a coefficient k < 1 depending on the distance to the boundary. The numerical experiments performed show that using such a layer for absorbing the electromagnetic radiation and for taking into account its power is efficient.
Издано: 2018
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