Interaction between reflected shock and bubble in near-wall underwater explosion

被引：4
|
作者：
Nie, B. C. [1 ]
Li, J. C. [1 ]
Zhang, H. Q. [1 ]
机构：
[1] Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China
来源：
FRONTIERS IN FLUID MECHANICS RESEARCH | 2015年 / 126卷
关键词：
underwater explosion; shock bubble interaction; finite volume method; non-spherical charge;
D O I：
10.1016/j.proeng.2015.11.205
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Shock and pulsating bubble, as two processes for structure damage in underwater explosion, are often studied separately due to their different time scales. In this study, we would pay particular attention to the interaction between them in underwater explosion nearby a wall by finite volume method. In order to capture the shock precisely, it is an issue at priority how to properly select grid density and artificial viscosity. Then a "two-step" strategy is adopted to overcome the bottleneck of high computing requirements in CPU time and memory. The shock reflection, bubble oscillation and the interaction between them along with resultant load are presented and discussed. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：344 / 348
页数：5
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