Airfoil Design and Numerical Analysis for Morphing Wing Structure

Author:

Dong Wen Jun1,Sun Qin1

Affiliation:

1. Northwestern Polytechnical University

Abstract

This paper investigates an unconventional honeycomb cellular structure featuring a negative Poisson’s ratio with the ability to undergo large overall displacements with limited straining of its solid material in the spanwise direction. Numerical analyses are performed to exploit such properties in the design of a morphing airfoil. The commercial simulation software ANSYS is used to carry on these processes. The cellular structure is designed to satisfy the requirements of configuration changing occurred while wing morphing. Finally, detailed numerical models of the structures are presented as a possible approach to evaluate the stress distribution of the structure. According to simulation results, the airfoil designed in this paper has the property of negative Poisson’s ratio, which is useful to the morphing wing aircraft design.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference7 articles.

1. L.J. Gibson, M.F. Ashby, G. S. Schajer and C. I. Robertson: Proceedings of The Royal Society (London, Great Britain , 1982), A382, pp.25-42.

2. Kingnide R. Olympio and Farhan Gandhi: 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials (Honolulu, Hawaii, 2007), Con23-26, pp.17-35.

3. Z.H. Xie: Mechanics of Composite Structures (Northwest Polytechnical University Press, China 2006).

4. Y. J Qian: Aerodynamics (Beijing University of Aeronautic& Aerospace Press, China 2005).

5. C.H. Zhang: Finite Element Method in ANSYS11. 0 and Application to Projects (Publishing House of Electronics Industry, China 2007).

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