Theoretical study of peculiarities of unstable longitudinal shear crack growth in sub-rayleigh and supershear regimes

Evgeny V. Shilko, Sergey G. Psakhie

Результат исследования: Материалы для книги/типы отчетовМатериалы для конференции

2 Цитирования (Scopus)

Аннотация

In the paper we present the results of the theoretical study of some fundamental aspects of mode II crack propagation in conventional sub-Rayleigh regime and transition to intersonic regime. It is shown that development of a sub-Rayleigh shear crack is determined in many respects by elastic vortex traveling ahead of the crack tip at a shear wave velocity. Formation of such a vortex helps to better understand the well-known phenomenon of acceleration of a shear crack towards the longitudinal wave velocity. Simulation results have shown that due to self-similarity of shear crack propagation the conditions of sub-Rayleigh to intersonic transition depend on dimensionless material and crack parameters. Two key dimensionless parameters are proposed.

Язык оригиналаАнглийский
Заголовок главной публикацииAIP Conference Proceedings
ИздательAmerican Institute of Physics Inc.
Страницы571-574
Количество страниц4
Том1623
ISBN (печатная версия)9780735412606
DOI
Статус публикацииОпубликовано - 2014
СобытиеInternational Conference on Physical Mesomechanics of Multilevel Systems 2014 - Tomsk, Российская Федерация
Длительность: 3 сен 20145 сен 2014

Другое

ДругоеInternational Conference on Physical Mesomechanics of Multilevel Systems 2014
СтранаРоссийская Федерация
ГородTomsk
Период3.9.145.9.14

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Цитировать

Shilko, E. V., & Psakhie, S. G. (2014). Theoretical study of peculiarities of unstable longitudinal shear crack growth in sub-rayleigh and supershear regimes. В AIP Conference Proceedings (Том 1623, стр. 571-574). American Institute of Physics Inc.. https://doi.org/10.1063/1.4901500