Volume 37 Issue 1
Feb 2023
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WANG Song, LI Yinggang, HUANG Xinhua, LI Xiaobin. Damage Characteristics of Carbon Fiber Reinforced Composite Sandwich Panels Subjected to Water Slamming Loading[J]. Chinese Journal of High Pressure Physics, 2023, 37(1): 014203. doi: 10.11858/gywlxb.20220653
Citation: WANG Song, LI Yinggang, HUANG Xinhua, LI Xiaobin. Damage Characteristics of Carbon Fiber Reinforced Composite Sandwich Panels Subjected to Water Slamming Loading[J]. Chinese Journal of High Pressure Physics, 2023, 37(1): 014203. doi: 10.11858/gywlxb.20220653

Damage Characteristics of Carbon Fiber Reinforced Composite Sandwich Panels Subjected to Water Slamming Loading

doi: 10.11858/gywlxb.20220653
  • Received Date: 14 Sep 2022
  • Rev Recd Date: 10 Oct 2022
  • Available Online: 21 Feb 2023
  • Issue Publish Date: 05 Feb 2023
  • In this paper, a slamming model of composite laminate is established based on the Euler-Lagrangian fluid-structure interaction method. The reliability of the numerical simulation method is verified through the comparison between numerical and experimental results. On this basis, a fluid-structure interaction slamming model of carbon fiber reinforced composite sandwich panels is established, and the progressive damage evolution mode of composite sandwich panels is investigated by VUMAT subroutine. The hydrodynamic force, flow jet, and water pressure distribution as well as slamming damage characteristics of composite sandwich panels are analyzed. Finally, the effects of slamming speed and deadrise angle on the slamming damage characteristics are investigated. The results show that the hydrodynamic force has gone through four stages including the initial growth stage, fluctuating stage, sharp rise stage and rapid decreasing stage during the slamming process. The matrix tensile damage and delamination damage of composite sandwich plates are accumulated under slamming loading. With the increase of the slamming speed and deadrise angle, the hydrodynamic force and slamming damage significantly increase.

     

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