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Damage Induced by High-Velocity Impact on Composite Structures Using Finite Element Simulation

  • E. A. Duodu
  • J. N. Gu
  • Z. Shang
  • W. Ding
  • S. Tang
Research Paper

Abstract

In the current study, a finite element model was established to simulate the penetration process of composite laminates under high-velocity impact. A 3D rate-dependent damage constitutive model was developed to simulate the ballistic response of unidirectional fiber-reinforced composite laminate. Numerical models were built based on a damage model where cohesive contact method was involved. The user-developed FORTRAN subroutine (VUMAT) was written and implemented in ABAQUS/Explicit 6.11 version. The ballistic resistance and damage characteristics of composite laminate were discussed, and the damage model was validated. The results of the FEM were observed to agree well with experimental observation. According to the results, the ply angle of the laminate had great influence on the damage distribution; thus, when the ply angle increases, the ballistic resistance and damage areas on both front and rear side of the laminate decrease. Again, the result shows that increasing the thickness of the laminate was advantageous to the ballistic resistance and damage characteristics of the composite laminates. The prediction of the model was proved to have good accuracy and efficiency.

Keywords

Composite laminate Cohesive element Finite element simulation High-velocity impact Impact behavior 

Notes

Acknowledgements

This work is supported by the Innovative Foundation for Doctoral Candidates of Jiangsu Province, China (KYLX15_1049). The authors like to thank Prof. Chen Wei of the School of Mechanical Engineering and Prof. Wang Guo Lin of School of Automotive and Traffic Engineering, Jiangsu University, for their expert advice on FE modeling and providing the material properties.

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Copyright information

© Shiraz University 2016

Authors and Affiliations

  • E. A. Duodu
    • 1
    • 2
  • J. N. Gu
    • 1
  • Z. Shang
    • 1
  • W. Ding
    • 1
  • S. Tang
    • 1
  1. 1.School of Mechanical EngineeringJiangsu UniversityZhenjiangChina
  2. 2.Department of Agricultural EngineeringUniversity of Cape CoastCape CoastGhana

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