Quantitative modeling of bubble competition in Richtmyer-Meshkov instability

被引：11
|
作者：
Sohn, Sung-Ik [1 ]
机构：
[1] Kangnung Natl Univ, Dept Math, Kangnung 210702, South Korea
来源：
PHYSICAL REVIEW E | 2008年 / 78卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.78.017302
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We present a quantitative model for the evolution of single and multiple bubbles in the Richtmyer-Meshkov (RM) instability. The higher-order solutions for a single-mode bubble are obtained, and distinctions between RM and Rayleigh-Taylor bubbles are investigated. The results for multiple-bubble competition from the model shows that the higher-order correction to the solution of the bubble curvature has a large influence on the growth rate of the RM bubble front. The model predicts that the bubble front of RM mixing grows as h similar to t(theta) with theta similar to(0.3-0.35)+/- 0.02.
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页数：4
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