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Volume 37 Issue 1
Feb 2023
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Chinese Journal of High Pressure Physics  > 2023  >  37(1): 015101.
XIE Guilan, SONG Muqing, GONG Shuguang, HOU Kun, ZUO Lilai, XIAO Fangyu. Numerical Simulation of Projectile Penetrating Double-Layer Plate Liquid-Filled Structure Based on Material Point Method[J]. Chinese Journal of High Pressure Physics, 2023, 37(1): 015101. doi: 10.11858/gywlxb.20220602
Citation: XIE Guilan, SONG Muqing, GONG Shuguang, HOU Kun, ZUO Lilai, XIAO Fangyu. Numerical Simulation of Projectile Penetrating Double-Layer Plate Liquid-Filled Structure Based on Material Point Method[J]. Chinese Journal of High Pressure Physics, 2023, 37(1): 015101. doi: 10.11858/gywlxb.20220602
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Numerical Simulation of Projectile Penetrating Double-Layer Plate Liquid-Filled Structure Based on Material Point Method

doi: 10.11858/gywlxb.20220602

  • School of Mechanical Engineering and Mechanics, Xiangtan University, Xiangtan 411105, Hunan, China

  • Received Date: 06 Jun 2022
  • Rev Recd Date: 05 Jul 2022
    • Available Online: 07 Feb 2023
  • Issue Publish Date: 05 Feb 2023
    Abstract
  • The double-layer plate air-container set in the liquid-filled structure can effectively reduce the harm caused by the hydrodynamic ram. In order to study the influence mechanism of the spacing and position of the double-layer plate on the hydrodynamic ram process, the numerical simulation of projectile penetration into the double-layer plate liquid-filled structure was carried out based on the material point method (MPM). The validity of the MPM numerical model is verified by experiments. The cavitation process, the residual velocity of projectile, the peak pressure of liquid at fixed points, the deformation of entry wall, exit wall and the double-layer plates were analyzed. The results show that with the increase of the spacing of the double-layer plate, the deformation of the liquid-filled structure shows a trend of first reducing and then increasing. The closer the position of the double-layer plate to the entry wall, the stronger the obstruction of the transmission of pressure shock wave, and the better the penetration resistance of the liquid-filled structure.

     

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