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Volume 24 Issue 1
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2016  >  24(1): 070-75
WANG Xian-ming, LI Kai-fu, DUAN Hao, WANG Yun. Finite Element Analysis of New Buffer Mechanism for Torpedo Launch System[J]. Journal of Unmanned Undersea Systems, 2016, 24(1): 070-75. doi: 10.11993/j.issn.1673-1948.2016.01.014
Citation: WANG Xian-ming, LI Kai-fu, DUAN Hao, WANG Yun. Finite Element Analysis of New Buffer Mechanism for Torpedo Launch System[J]. Journal of Unmanned Undersea Systems, 2016, 24(1): 070-75. doi: 10.11993/j.issn.1673-1948.2016.01.014
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Finite Element Analysis of New Buffer Mechanism for Torpedo Launch System

doi: 10.11993/j.issn.1673-1948.2016.01.014

  • Kunming Branch of the 705 Research Institute, China Shipbuilding Corporation, Kunming 650118, China

  • Publish Date: 2016-02-20
    Abstract
  • Considering the serious impact and vibration of a gas-water cylinder during launching process of a torpedo or a missile by torpedo launcher, a new type of rubber buffer mechanism is designed with combination of copper cushion and rubber to improve the existing copper cushion buffer mechanism. Because rubber is a viscoelastic material, the rubber related theory is used to analyze the nonlinear characteristics of the rubber, and a contact-type rubber finite element model is established. The stress, deformation and contact reaction force of the rubber with different lengths are analyzed, and its buffering effect is compared with that of the existing copper cushion by taking work as the evaluation index. The simulation results show that the new buffer mechanism is better than old one, and the buffering effect is optimum when rubber length is 27 mm under certain conditions.

     

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    • References(7)
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