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On the teaching of the principles of wing flexure-torsion flutter

Published online by Cambridge University Press:  04 July 2016

G. J. Hancock ,
J. R. Wright  and
A. Simpson
G. J. Hancock
Affiliation:
Department of Aeronautical Engineering, Queen Mary College, University of London
J. R. Wright
Affiliation:
Department of Aeronautical Engineering, University of Bristol
A. Simpson
Affiliation:
Department of Aeronautical Engineering, University of Bristol
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Extract

This note attempts to clarify some basic ideas, and correct some common misunderstandings, on wing flexure-torsion flutter. Topics include:

  • (i) an understanding of the physics of wing flexure-torsion flutter through a number of specific examples,

  • (ii) an examination of the energy interpretation of the physics of flutter, indicating its limited usefulness,

  • (iii) a discussion of the significant differences between wing flexure-torsion flutter and the Duncan flutter engine,

  • (iv) a graphical representation to assess the contribution of various parameter to flutter onset,

  • (v) subcritical response below the critical flutter speed,

  • (vi) some practical wing flutter considerations.

Type
Research Article
Information
The Aeronautical Journal , Volume 89 , Issue 888 , October 1985 , pp. 285 - 305
Copyright
Copyright © Royal Aeronautical Society 1985 

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References

1. Broadbent, E. G. Elements of Aero-elasticity. Aeronautical Engineering, 26 1954.Google Scholar
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3. Niblett, T. A Graphical Representation of the Binary Flutter Equations in Normal Co-ordinates. ARC R&M No 3496, 1968.Google Scholar
4. Collar, A. R. and Simpson, A. Matrices and Engineering Dynamics: Programs. Ellis-Horwood (to be published).Google Scholar
5. Simpson, A. The Solution of Large Flutter Problems on Small Computers. The Aeronautical Journal, 88, April 1984 Google Scholar
6. Baldock, J. C. A. The Identification of the Flutter Mechanism from a Large-Order Flutter Calculation. RAE TR 78017, MoD(PE), 1978.Google Scholar
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