Richtmyer-Meshkov instability in a rarefied gas, results of continuum and kinetic numerical simulations

A. N. Kudryavtsev, D. B. Epstein

Результат исследования: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаярецензирование

1 Цитирования (Scopus)

Аннотация

The Richtmyer-Meshkov instability in a rarefied gas is numerically simulated using both continuum and kinetic approaches. Continuum simulations based on the Navier-Stokes equations are carried out for different Mach numbers of the incident shock wave Ms = 1.5, 4.0, 8.0; Reynolds numbers Re = 50÷1000 and density ratios across the contact discontinuity ρ21 = 2, 3, and 10. The evolution of disturbance amplitude as a function of the problem parameters is investigated. It is obtained that the growth of disturbances is suppressed if the Reynolds number decreases below some critical value. Kinetic simulations are performed by directly solving the Bhatnagar-Gross-Krook (BGK) kinetic equation in the multidimensional phase space. The development of the Richtmyer-Meshkov instability is reproduced with the kinetic approach and close agreement between the results of continuum and kinetic simulations is observed.

Язык оригиналаанглийский
Название основной публикацииHigh Energy Processes in Condensed Matter, HEPCM 2019
Подзаголовок основной публикацииProceedings of the XXVI Conference on High-Energy Processes in Condensed Matter, dedicated to the 150th anniversary of the birth of S.A. Chaplygin
РедакторыVasily Fomin
ИздательAmerican Institute of Physics Inc.
Число страниц6
ISBN (электронное издание)9780735418653
DOI
СостояниеОпубликовано - 26 июл 2019
Событие26th All-Russian Conference on High Energy Processes in Condensed Matter: Dedicated to the 150th Anniversary of the Birth of S.A. Chaplygin, HEPCM 2019 - Novosibirsk, Российская Федерация
Продолжительность: 3 апр 20195 апр 2019

Серия публикаций

НазваниеAIP Conference Proceedings
Том2125
ISSN (печатное издание)0094-243X
ISSN (электронное издание)1551-7616

Конференция

Конференция26th All-Russian Conference on High Energy Processes in Condensed Matter: Dedicated to the 150th Anniversary of the Birth of S.A. Chaplygin, HEPCM 2019
СтранаРоссийская Федерация
ГородNovosibirsk
Период03.04.201905.04.2019

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  • Цитировать

    Kudryavtsev, A. N., & Epstein, D. B. (2019). Richtmyer-Meshkov instability in a rarefied gas, results of continuum and kinetic numerical simulations. В V. Fomin (Ред.), High Energy Processes in Condensed Matter, HEPCM 2019: Proceedings of the XXVI Conference on High-Energy Processes in Condensed Matter, dedicated to the 150th anniversary of the birth of S.A. Chaplygin [020010] (AIP Conference Proceedings; Том 2125). American Institute of Physics Inc.. https://doi.org/10.1063/1.5117370