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Volume 28 Issue 1
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2020  >  28(1): 051-56
ZHOU Ye, WEN Wei, HAN Jian-hui, YANG Ri-jie. Research on Acoustic Scattering of Underwater Complicated Target Based on Sound-Solid Coupling[J]. Journal of Unmanned Undersea Systems, 2020, 28(1): 051-56. doi: 10.11993/j.issn.2096-3920.2020.01.008
Citation: ZHOU Ye, WEN Wei, HAN Jian-hui, YANG Ri-jie. Research on Acoustic Scattering of Underwater Complicated Target Based on Sound-Solid Coupling[J]. Journal of Unmanned Undersea Systems, 2020, 28(1): 051-56. doi: 10.11993/j.issn.2096-3920.2020.01.008
shu

Research on Acoustic Scattering of Underwater Complicated Target Based on Sound-Solid Coupling

doi: 10.11993/j.issn.2096-3920.2020.01.008

  • Air Combat Service College, Naval Aviation University, Yantai 264001, China

  • Received Date: 2019-06-12
  • Rev Recd Date: 2019-06-29
  • Publish Date: 2020-02-29
    Abstract
  • In view of the low simulation fidelity of the existing simple model for actual underwater target, the scattered acoustic field of the two-dimensional simple model of submarine after excitation is simulated numerically by using the COMSOL sound-solid coupling algorithm and the perfectly matched layer(PML). The result is compared with that of the same model calculated by using the finite element analysis software ANSYS, and both results are basically consistent, verifying the effectiveness of the COMSOL sound-solid coupling algorithm in calculating the scattered acoustic field of large target. Furthermore, the interior cabin structure and its structural material attributes are established for a submarine structure, which improves the fidelity of the model to the actual target, and the sound field of re-radiation after excitation is simulated. The simulation results may be taken as a reference for the numerical analysis of active sonar signals and the development of underwater active detection equipment.

     

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