Journal of Failure Analysis and Prevention

, Volume 17, Issue 4, pp 750–755 | Cite as

Numerical Analysis of Bird Impact on Glass-Reinforced Leading Edge of an Aircraft Wing

  • Balachandra P. Shetty
  • Sudheer Reddy
  • R. K. Mishra
Technical Article---Peer-Reviewed

Abstract

The paper describes the methodology of modeling and simulation of bird impact mechanism of GLARE laminate structures. The bird is modeled using Lagrangian concept. Explicit finite element techniques have been developed to simulate the impact mechanics. The study involves deeper understanding of impact dynamics and contact mechanics. The bird impact analysis has been carried out on typical configuration of GLARE 3/2, 4/3, 5/4, 6/5, 7/6 and 8/7. The results of stress propagation and material deformation at high strain rate have been obtained. Results from the numerical analysis are compared with experimental results, and the material is found to be capable of absorbing the impact energy. The results also show that the bird material model chosen to simulate for carrying out impact mechanics analysis is found to be capable of capturing most of the complex behavior exhibited by functional structural material GLARE.

Keywords

Wing leading edge GLARE Laminate Lagrangian Impact 

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Copyright information

© ASM International 2017

Authors and Affiliations

  • Balachandra P. Shetty
    • 1
  • Sudheer Reddy
    • 1
  • R. K. Mishra
    • 2
  1. 1.Nitte Meenakshi Institute of TechnologyBangaloreIndia
  2. 2.Regional Center for Military Airworthiness (Engines)BangaloreIndia

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