The anti‐shock analysis of new type rectangular honeycomb sandwich stiffened Cylindrical shells subjected to underwater explosion shock load

Wang Hao;Cheng Yuansheng;Liu Jun;Li Rongfu

Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (1) : 162-166,.

PDF(2198 KB)
PDF(2198 KB)
Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (1) : 162-166,.
论文

The anti‐shock analysis of new type rectangular honeycomb sandwich stiffened Cylindrical shells subjected to underwater explosion shock load

  • Wang Hao;1Cheng Yuansheng1;Liu Jun;Li Rongfu
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Abstract

A new kind of rectangular honeycomb sandwich stiffened cylindrical shell is proposed. The responses and shock‐protection
mechanism of this new structure are analyzed. In the study, the commercial code LS‐DYNA is employed to analyze the dynamic
responses of this new sandwich structure subjected to underwater explosion shock load. The largest deformation and plastic strain of
pressure hull are selected as the indicators to evaluate the effects of typical parameters on the anti‐shock performance of the structure.
At last, the anti‐shock performance of a typical honeycomb sandwich stiffened cylindrical shell in different shock environment is also
investigated.

Key words

rectangular honeycomb sandwich stiffened cylindrical shell / plastic strain / largest deformation / finite element method / Shock environment

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Wang Hao;Cheng Yuansheng;Liu Jun;Li Rongfu. The anti‐shock analysis of new type rectangular honeycomb sandwich stiffened Cylindrical shells subjected to underwater explosion shock load[J]. Journal of Vibration and Shock, 2011, 30(1): 162-166,
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