Numerical simulation of the Rayleigh-Taylor instability in rarefied Ar/He mixture using the Direct Simulation Monte Carlo method

被引：4
|
作者：
Kashkovsky, A., V [1 ]
Kudryavtsev, A. N. [1 ]
Shershnev, A. A. [1 ]
机构：
[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Novosibirsk 630090, Russia
来源：
XXXV SIBERIAN THERMOPHYSICAL SEMINAR, 2019 | 2019年 / 1382卷
基金：
俄罗斯科学基金会;
关键词：
D O I：
10.1088/1742-6596/1382/1/012154
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The Direct Simulation Monte Carlo method is used to study the emergence and development of the Rayleigh-Taylor instability. At the initial time, the heavier gas (argon) was located above the lighter gas (helium). In the simulation, no initial perturbations were superimposed on the interface, the appearance of instability was caused by fluctuations of gas-dynamic parameters that are inherent in the Direct Simulation Monte Carlo calculations. The onset of large-scale movement and mixing processes are investigated. Quantitative characteristics of the evolution of the Rayleigh-Taylor instability in a rarefied mode are obtained.
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页数：5
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