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Известия РАН. Механика твердого тела, 2022, № 5, стр. 141-149

РАСПРОСТРАНЕНИЕ ПЛОСКОГО УДАРНОГО ФРОНТА В УПРУГОМ СЛОЕ

А. В. Ильяшенко a, *

a Московский Государственный строительный университет
Москва, Россия

* E-mail: avi_56@mail.ru

Поступила в редакцию 24.01.2022
После доработки 03.02.2022
Принята к публикации 04.02.2022

Аннотация

Исследуется задача о волновом фронте в анизотропном упругом слое. Показано, что в случае упругой изотропии однородная волна с плоским фронтом в слое возможна лишь в одном частном случае, при нулевом коэффициенте Пуассона. В других случаях для существования волны с плоским фронтом, волна должна быть неоднородной по отношению к трансверсальной координате. Аналитическое решение, обеспечивающее существование плоского ударного волнового фронта, получено впервые.

Ключевые слова: анизотропия, волновой фронт, акустический тензор, упругий слой

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