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Modern Methods of Investigating Flutter and Vibration

Published online by Cambridge University Press:  04 July 2016

H. P. Y. Hitch
H. P. Y. Hitch*
Affiliation:
British Aircraft Corporation (Operating) Ltd., Weybridge Division
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Summary

The past several years have seen a steady advance in the techniques employed in flutter and vibration analysis. At the same time aircraft performance has been improved on every front and margins have had to be reduced: it is only by making full use of these modern methods that the accepted margins of safety have been preserved.

The paper reviews the processes which are currently used in the prediction and prevention of aircraft flutter in contrast to those of a few years back. The more recent types of flutter which have had to be considered are discussed briefly in relation to the methods which have been developed to deal with them. Ground and Flight testing methods are reviewed together with the use to which the results are put.

Finally there is a discussion of the increasing need to predict sub-critical response. The methods employed are discussed in relation to the more important problems.

Type
Research Article
Information
The Aeronautical Journal , Volume 68 , Issue 642 , June 1964 , pp. 357 - 373
Copyright
Copyright © Royal Aeronautical Society 1964

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