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Technical Brief

Simulation Analysis and Material Optimization of an Aircraft Wing Leading Edge When Subjected to an Artificial Bird Strike

[+] Author and Article Information
K. Srinivasan

Associate Professor
Department of Mechanical Engineering,
Adhiyamaan College of Engineering,
Hosur 635 109, India
e-mail: avinashjohns@gmail.com

Channankaiah

Department of Mechanical Engineering,
Adhiyamaan College of Engineering,
Hosur 635 109, India
e-mail: shijupt007@gmail.com

George P. Johnson

Department of Mechanical Engineering,
Adhiyamaan College of Engineering,
Hosur 635 109, India
e-mail: avinashjohns@rediffmail.com

Manuscript received December 27, 2013; final manuscript received December 23, 2014; published online April 2, 2015. Assoc. Editor: Tae-Won Park.

J. Comput. Nonlinear Dynam 10(5), 054501 (Sep 01, 2015) (5 pages) Paper No: CND-13-1328; doi: 10.1115/1.4029510 History: Received December 27, 2013; Revised December 23, 2014; Online April 02, 2015

Bird strike resistance is a strict certification requirement in aircraft industries, and the Federal Aviation Regulations specifically gives various specifications to be followed for certification of various parts of the aircraft. The primary objective of this research is to develop a methodology, which can be utilized to certify an aircraft for bird strike using computational methods, and the impact behavior of a 4-lb artificial bird impinging on the wing leading edge is performed using smooth particle hydrodynamics (SPH) method. The study is focused on the most-frequently used bird configuration in the literatures: namely, cylinder with hemispherical ends. The skin is modeled with an aluminum 2014 alloy, which is prominently used in aircraft industries, and aluminum 8090 alloy. The effects of impact on these materials are studied.

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References

Figures

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Fig. 1

Artificial bird shapes

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Fig. 2

CAD model of the aircraft wing

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Fig. 6

Global energy curves

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Fig. 8

Material energy plot

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Fig. 9

Plastic strain energy plot

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