Analytical solution for the diffraging intense gaussian beam in the framework of a modular nonlinearity model

V. A. Gusev; Гусев В. А.; D. A. Zharkov; Жарков Д. А.

doi:10.31857/S0367676522701071

Analytical solution for the diffraging intense gaussian beam in the framework of a modular nonlinearity model

Autores: Gusev V.¹, Zharkov D.¹
Afiliações:
1. Lomonosov Moscow State University
Edição: Volume 87, Nº 4 (2023)
Páginas: 604-608
Seção: Articles
URL: https://journals.rcsi.science/0367-6765/article/view/135370
DOI: https://doi.org/10.31857/S0367676522701071
EDN: https://elibrary.ru/MDVEYB
ID: 135370

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Resumo

A model of modular nonlinearity has been developed for calculating the field of high-intensity bounded acoustic beams. The exact solution of this problem is obtained. The influence of diffraction and nonlinear effects on the time profile is demonstrated. It is shown that as the aperture decreases, a sequence of short positive high-amplitude pulses is formed, which was observed experimentally.

Sobre autores

V. Gusev

Lomonosov Moscow State University

Autor responsável pela correspondência
Email: vgusev@bk.ru
Russia, 119991, Moscow

D. Zharkov

Lomonosov Moscow State University

Email: vgusev@bk.ru
Russia, 119991, Moscow

Bibliografia

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Гурбатов С.Н., Вьюгин П.Н., Дерябин М.С. и др. // Акуст. журн. 2021. Т. 67. № 3. С. 235; Gurbatov S.N., Vyugin P.N., Deryabin M.S. et al. // Acoust. Phys. 2021. V. 67. No. 3. P. 237.
Rudenko O.V., Hedberg C.M. // Nonlinear Dynamics. 2017. V. 89. P. 1905–1913.
Руденко О.В. // ДАН. 2017. Т. 475. № 5. С. 503; Rudenko O.V. // Dokl. Math. V. 96. No. 1. P. 399.
Гусев В.А. // В кн.: Труды Всероссийской акустической конференции. СПб.: Политех-Пресс, 2020. С. 101.