Design of postbuckled spinal structures for airfoil camber and shape control

Ursache, N.M., Keane, A.J. and Bressloff`, N.W. (2006) Design of postbuckled spinal structures for airfoil camber and shape control. AIAA Journal, 44, (12), 3115-3124. (doi:10.2514/1.22636).


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In this paper the use of shape definition schemes to design spinal structures for the control of deformable airfoils is examined. The aim is to find strcutures that, when suitably loaded, can be used to alter the aerodynamic properties of a cladding that forms the airfoil, thus obviating the need for flaps or ailerons. Morphing through different cambered airfoils to achieve aerodynamic performances for different maneurvers is then possible by exploiting a range of incremental nonlinear structural solutions. Further, by using structures that are acting in the postbuckling reginme, it is possible to obtain significant changes in shape with only modest changes in applied load. Results are formulated in terms of the aerodynamic properties of the morphed airfoils using a shape optimized beam as the spinal structure with fixed aerodynamic cladding.

Item Type: Article
Digital Object Identifier (DOI): doi:10.2514/1.22636
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Subjects: Q Science > Q Science (General)
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Computational Engineering and Design
ePrint ID: 43848
Accepted Date and Publication Date:
December 2006Published
Date Deposited: 31 Jan 2007
Last Modified: 31 Mar 2016 12:17

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