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The Adaptive Aspect Ratio Morphing Wing: Design Concept and Low Fidelity Skin Optimization

[+] Author Affiliations
Benjamin King Sutton Woods, Michael I. Friswell

Swansea University, Swansea, UK

Paper No. SMASIS2014-7750, pp. V002T04A027; 11 pages
doi:10.1115/SMASIS2014-7750
From:
  • ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting
  • Newport, Rhode Island, USA, September 8–10, 2014
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4615-5
  • Copyright © 2014 by ASME

abstract

This work introduces a new span morphing concept under development at Swansea University. Known as the Adaptive Aspect Ratio wing, this concept couples a compliant skin material to a mechanism based internal structure to create a morphing wing capable of significant changes in span and aspect ratio. The four key technologies of the concept, namely the elastomeric matric composite skin, the telescoping spar, the sliding ribs and the strap drive, are first introduced and discussed. The compliant skin is established to be the dominant component in the overall design of this concept, requiring careful balancing between in-plane actuation force requirements and out-of-plane stiffness under aerodynamic loading. An initial skin design optimization exercise is then carried out using analytical models of the skin’s behaviour, providing significant insight into the interplay between the various parameters of the skin design.

Copyright © 2014 by ASME
Topics: Design , Optimization , Skin , Wings

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