A guide to classical flutter

Author:

Niblett L. T.

Abstract

Summary First essentials of classical flutter are demonstrated by a comprehensive study of the behaviour of a lifting surface with two degrees of freedom under the action of airforces limited to those in phase with displacement. Structural coupling between the coordinates is eliminated by taking the normal modes to be the deflection coordinates, and this results in conditions for stability with particularly concise forms. It is shown that the flutter stability can be seen to be very much a matter of the relative amplitudes of heave and pitch in the normal modes. In-quadrature airforces are then introduced and it is shown that they have little effect when the flutter is severe. They are of more importance in the milder forms of flutter, the extreme of which are shown to be little different from instabilities in a single degree of freedom.

Publisher

Cambridge University Press (CUP)

Subject

Aerospace Engineering

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. References;Introduction to Aircraft Aeroelasticity and Loads;2015-02-02

2. Transition of the flutter mode of a two-dimensional section with an external store;Journal of Aircraft;1992-05

3. Coalescence of aeroelastic modes in flutter analysis;Journal of Aircraft;1992-05

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