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Volume 24 Issue 6
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2016  >  24(6): 401-406
ZHANG Yi-wen, YIN Shao-ping, WANG Zhi-jie, GUO Jun, ZHANG Zhi-min, GAO Shan. Research on Vibration Environment of Lightweight Torpedo Borne Equipment Based on Modal Superposition Method[J]. Journal of Unmanned Undersea Systems, 2016, 24(6): 401-406. doi: 10.11993/j.issn.1673-1948.2016.06.001
Citation: ZHANG Yi-wen, YIN Shao-ping, WANG Zhi-jie, GUO Jun, ZHANG Zhi-min, GAO Shan. Research on Vibration Environment of Lightweight Torpedo Borne Equipment Based on Modal Superposition Method[J]. Journal of Unmanned Undersea Systems, 2016, 24(6): 401-406. doi: 10.11993/j.issn.1673-1948.2016.06.001
shu

Research on Vibration Environment of Lightweight Torpedo Borne Equipment Based on Modal Superposition Method

doi: 10.11993/j.issn.1673-1948.2016.06.001
  • 1.

    The 705 Research Institute, China Shipbuilding Industry Corporation, Xi′an 710077, China

  • 2.

    Science and Technology on Underwater Information and Control Laboratory, Xi′an 710077, China

  • Received Date: 2016-08-31
  • Rev Recd Date: 2016-10-09
  • Publish Date: 2016-12-20
    Abstract
  • The vibration environment of lightweight torpedo borne electronic equipment is investigated to solve the problem of complex vibration environment and lack of vibration data, this study establishes a calculation model of the torpedo′s electronic cabinet based on finite element method, and calculates modal data, such as natural frequency and vibration modes, by using the software ANSYS Workbench. Comparing the calculated data with the modal testing data, the model is proved to be correct. The modal superposition method is employed to predict the vibration environments of the torpedo borne equipment based on this model. The prediction results show that the equipment assembled on baffle plate is subjected to a harsher vibration environment. So an improved design scheme is proposed to reduce the root mean square of vibration data by more than 40% comparing with the original design, which infers that the improved design scheme can be applied to the structure design of a lightweight torpedo.

     

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