Dynamic response of a cylindrical shell under bubble jet loading

Wang Shi-ping; Guo Jun; Zhang Zhong-yu; Chen Hai-long; Sun Feng

doi:10.11883/1001-1455(2013)04-0337-07

Volume 33 Issue 4

Mar. 2014

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Wang Shi-ping, Guo Jun, Zhang Zhong-yu, Chen Hai-long, Sun Feng. Dynamic response of a cylindrical shell under bubble jet loading[J]. Explosion And Shock Waves, 2013, 33(4): 337-343. doi: 10.11883/1001-1455(2013)04-0337-07

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Wang Shi-ping, Guo Jun, Zhang Zhong-yu, Chen Hai-long, Sun Feng. Dynamic response of a cylindrical shell under bubble jet loading[J]. Explosion And Shock Waves, 2013, 33(4): 337-343. doi: 10.11883/1001-1455(2013)04-0337-07

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Dynamic response of a cylindrical shell under bubble jet loading

doi: 10.11883/1001-1455(2013)04-0337-07

1.
(College of Shipbuilding Engineering, Harbin Engineering University,Harbin 150001, Heilongjiang, China)

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Supported by the National Natural Science Foundation of China (11202057)

Publish Date: 2013-07-25

Abstract

Abstract

A simplified jet-flow model was proposed to understand the impact effects of underwater explosion-induced gas bubbles on the structures near explosive charges. The simplified jetflow model was based on the assumption that the displacement of the bubble around a cylindrical shell structure consisted of the buoyancy-induced displacement in a free field and the pull-induced displacement by the cylindrical shell structure. And the proposed model was used to investigate the damage effect of the cylindrical shell structure subjected to jet impact and the damage mode was analyzed. The results are helpful for the study on the damage of submarines impacted by underwater explosioninduced gas bubbles.
- mechanics of explosion,
- dynamic response,
- simplified jet model,
- cylinder shell,
- explosion bubble,
- bubble jet impact

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