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Volume 25 Issue 创刊号
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2017  >  25(创刊号): 089-93
CHEN Wei-bin, DUAN Hao, WANG Yun. Prestressed Modal Analysis of Pressurized Structure for Launcher Simulation Experiment[J]. Journal of Unmanned Undersea Systems, 2017, 25(创刊号): 089-93. doi: 10.11993/j.issn.2096-3920.2017.01.010
Citation: CHEN Wei-bin, DUAN Hao, WANG Yun. Prestressed Modal Analysis of Pressurized Structure for Launcher Simulation Experiment[J]. Journal of Unmanned Undersea Systems, 2017, 25(创刊号): 089-93. doi: 10.11993/j.issn.2096-3920.2017.01.010
shu

Prestressed Modal Analysis of Pressurized Structure for Launcher Simulation Experiment

doi: 10.11993/j.issn.2096-3920.2017.01.010

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

  • Publish Date: 2017-04-20
    Abstract
  • During the launcher simulation experiment, the pressurized structure — false sea will produce strong vibration under the effect of launching shock. The vibration characteristics of the false sea can provide guidance for test equipment installation to ensure the equipment be installed in the proper position. Through prestressed modal analysis of the false sea, it is concluded that the modal characteristics do not obviously change, so no obvious stress stiffening of the false sea occurs under the effect of prestress. Finally, the optimum installation position of the test equipment is obtained through analyzing the natural vibration mode of the false sea.

     

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