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Volume 26 Issue 1
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2018  >  26(1): 023-27
LIU Xu-hao, SHI Xiao-feng, YI Yin, LIANG Yue, YAN Hai, XUE Hua. Modal Analysis of Undersea Vehicle′s Fuel Tank Using Virtual Mass Method[J]. Journal of Unmanned Undersea Systems, 2018, 26(1): 023-27. doi: 10.11993/j.issn.2096-3920.2018.01.004
Citation: LIU Xu-hao, SHI Xiao-feng, YI Yin, LIANG Yue, YAN Hai, XUE Hua. Modal Analysis of Undersea Vehicle′s Fuel Tank Using Virtual Mass Method[J]. Journal of Unmanned Undersea Systems, 2018, 26(1): 023-27. doi: 10.11993/j.issn.2096-3920.2018.01.004
shu

Modal Analysis of Undersea Vehicle′s Fuel Tank Using Virtual Mass Method

doi: 10.11993/j.issn.2096-3920.2018.01.004
  • 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

  • Publish Date: 2018-02-28
    Abstract
  • To suppress the structural resonance of fuel tank of an undersea vehicle, a finite element model of the fuel tank is established based on the virtual mass method. Simulation is performed to calculate the modals of the fuel tank in dry state and filling state, and the natural frequencies and the vibration modes of the first four orders of breathing modal are extracted to investigate the influences of different bulkhead positions on the vibration characteristics of the tank structure. Hence, the relationship between the position of bulkhead and the model′s maximum natural frequency is obtained. This research provides simulation data for structure design and performance improvement of the fuel tank.

     

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