A preliminary study on flutter suppression concepts for aeronautical components

Paulo, L, Pereira, A, Gamboa, P and Silva, J 2010, 'A preliminary study on flutter suppression concepts for aeronautical components', in B.H.V. Topping, J.M. Adam, F.J. Pallarés, R. Bru and M.L. Romero (ed.) Proceedings of the Tenth International Conference on Computational Structures Technology, Valencia, Spain, 14-17 September 2010, pp. 1359-1376.


Document type: Conference Paper
Collection: Conference Papers

Title A preliminary study on flutter suppression concepts for aeronautical components
Author(s) Paulo, L
Pereira, A
Gamboa, P
Silva, J
Year 2010
Conference name CST 2010
Conference location Valencia, Spain
Conference dates 14-17 September 2010
Proceedings title Proceedings of the Tenth International Conference on Computational Structures Technology
Editor(s) B.H.V. Topping, J.M. Adam, F.J. Pallarés, R. Bru and M.L. Romero
Publisher Civil-Comp Press
Place of publication United Kingdom
Start page 1359
End page 1376
Total pages 18
Abstract In this work both active and passive flutter suppression solutions for plates were studied. First, the feasibility of using cork agglomerates as a core in a sandwich structure with carbon facings to prevent and minimize the high amplitude oscillations of this aeroelastic phenomenon was evaluated. It was demonstrated that it is possible to increase the aircraft flight envelope using a lighter structure. Second, an active vibration suppression method using piezoelectric patches in an aluminium plate was studied with increases of about 20% in flutter speed being obtained. A further investigation was performed in order to choose the optimal piezoelectric patches placement on the surface of the metallic plate.
Subjects Aerospace Engineering not elsewhere classified
Keyword(s) aeroelasticity
flutter
sandwich
cork
piezoelectric
control
DOI - identifier 10.4203/ccp.93.88
Copyright notice © (2010) by Civil-Comp Press. All rights reserved.
ISBN 9781617389832
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