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Volume 31 Issue 6
Nov 2017
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Chinese Journal of High Pressure Physics  > 2017  >  31(6): 769-777.
DING Tie, ZHANG Xiao-Qing, YAO Xiao-Hu. Effect of Stiffener Shape on Low-Velocity Impact Behavior of Composite Stiffened Panels[J]. Chinese Journal of High Pressure Physics, 2017, 31(6): 769-777. doi: 10.11858/gywlxb.2017.06.012
Citation: DING Tie, ZHANG Xiao-Qing, YAO Xiao-Hu. Effect of Stiffener Shape on Low-Velocity Impact Behavior of Composite Stiffened Panels[J]. Chinese Journal of High Pressure Physics, 2017, 31(6): 769-777. doi: 10.11858/gywlxb.2017.06.012
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Effect of Stiffener Shape on Low-Velocity Impact Behavior of Composite Stiffened Panels

doi: 10.11858/gywlxb.2017.06.012

  • Department of Engineering Mechanics, School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China

  • Received Date: 11 Jan 2017
  • Rev Recd Date: 29 Mar 2017
    Abstract
  • In this research, we focused on the effect of the stiffener shape on the dynamic response of composite stiffened panels.We first established the finite element analysis model for composited stiffened structures with 3 kinds of stiffeners using the local refinement with the interface between the layers simulated by bonding interface, and then analyzed the dynamic response and the delamination damage of these composite stiffened panels.According to the results of the numerical simulation, it is found that the dynamic response is closely related to the structure stiffness, the composite stiffened panels with T-shaped and I-shaped stiffeners are warped in the region beyond the impacted part of the panels, and their damage distribution and damage area are similiar.The results also show that the layer angle of the two layers adjacent to the surface of the skin and the stiffener affects the area of the delamination damage.

     

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