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Coupled Modeling and Optimization of Piezocomposite Wings

[+] Author Affiliations
Onur Bilgen, Mohammed Taqiuddin

Old Dominion University, Norfolk, VA

Michael I. Friswell

Swansea University, Swansea, UK

Paper No. SMASIS2013-3311, pp. V002T06A027; 11 pages
doi:10.1115/SMASIS2013-3311
From:
  • ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting
  • Snowbird, Utah, USA, September 16–18, 2013
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-5604-8
  • Copyright © 2013 by ASME

abstract

A coupled electro-aero-mechanical modeling and optimization scheme for two solid-state piezocomposite variable-camber wing concepts is presented. The proposed concepts employ a continuous inextensible surface, simple boundary conditions and surface bonded piezoelectric actuators. The partially-active surfaces are designed to have sufficient bending stiffness in the chordwise and spanwise directions to sustain shape under aerodynamic loading. In contrast, the in-plane stiffness is relatively high; however the necessary deformations that are required to change the aerodynamic response can still be attained while maintaining the surface perimeter constant. Coupled with the continuous boundary conditions and the spar structure, the proposed concepts can achieve significant change in aerodynamic response quantified in terms of lift coefficient and lift-to-drag ratio under aerodynamic loading. A coupled analysis of the fluid-structure interaction is employed assuming static-aeroelastic behavior which allows the realization of designs that can sustain aerodynamic loads. Two prototypes are briefly presented.

Copyright © 2013 by ASME

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