Aeroelastic characteristics of cylindrical hybrid composite panels with viscoelastic damping treatments

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Supersonic flutter analysis of cylindrical composite panels with structural damping treatments has been performed using the finite element method based on the zig-zag layerwise shell theory. The natural frequencies and loss factors of cylindrical viscoelastic composites are computed considering the effects of transverse shear deformation. And Kumhaar's modified piston theory is applied for the calculation of aerodynamic forces. The flutter of cylindrical composite panels is analyzed considering structural damping effect. With respect to aeroelastic stabilities, various damping characteristics of unconstrained layer, constrained layer, and symmetrically co-cured sandwich laminates are compared with those of an original base panel. (c) 2006 Elsevier Ltd. All rights reserved.
Publisher
ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
Issue Date
2006-09
Language
English
Article Type
Article
Keywords

VIBRATION CHARACTERISTICS; FLUTTER; SHELLS; PLATES; LAYERS

Citation

JOURNAL OF SOUND AND VIBRATION, v.296, no.1-2, pp.99 - 116

ISSN
0022-460X
DOI
10.1016/j.jsv.2006.01.068
URI
http://hdl.handle.net/10203/6613
Appears in Collection
ME-Journal Papers(저널논문)AE-Journal Papers(저널논문)
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