A new effective method to predict the permanent deformation of plane plates subjected to underwater shock loading

被引：3
|
作者：
Li, L-J [1 ]
Jiang, W-K [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2011年 / 225卷 / C5期
关键词：
underwater explosion; air-backed plate; water-backed plate; permanent deformation; RECTANGULAR-PLATES; BACKED PLATES; EXPLOSION; DAMAGE;
D O I：
10.1243/09544062JMES2178
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Theoretical analysis of the shock loading acting on a plane plate is performed for an underwater explosion. An effective new numerical method is used to simulate the plate plastic permanent deformation based on the shock loading acting on the plate. During the numerical simulation, only the structure domain is modelled and gas bubble reloading is ignored, and so computation efficiency is highly improved. The numerical results are modified based on the distribution of shock energy during the underwater explosion, and the modified numerical results are in good agreement with the experimental results.
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页码：1069 / 1075
页数：7
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