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The Random Heave-pitch Response of Aircraft to Runway Roughness

Published online by Cambridge University Press:  04 July 2016

C. L. Kirk
C. L. Kirk*
Affiliation:
Structural and Aerospace Dynamics Group, Cranfield Institute of Technology
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Extract

The need to establish reliable methods of predicting the response of aircraft during taxying on rough runways and the associated dynamic loads and fatigue damage has led to numerous theoretical and experimental investigations of this problem. The present paper is a development of the study reported in ref. (1) which considered the random response of a flexible aircraft to forces transmitted through thei main undercarriage. The purpose of this paper is to apply power spectral techniques to the computation of the response of a rigid aircraft in heave and pitch to runway roughness, taking account of non-linearities in damping in the main and nose undercarriage.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 75 , Issue 727 , July 1971 , pp. 476 - 483
Copyright
Copyright © Royal Aeronautical Society 1971 

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References

1. Kirk, C. L. and Perry, P. J. Analysis of Taxiing Induced Vibrations in Aircraft by the Power Spectral Density Method, The Aeronautical Journal, Vol 75, No 723, March 1971.Google Scholar
2. Silsby, N. S. An Analytical Study of Effects of Some Air plane and Landing Gear Factors on the Response to Run way Roughness with Application to Supersonic Transports, NASA Tech Note D-1492, 1962.Google Scholar
3. Wignot, J. E. et al. The Development of Dynamic Taxi Design Procedures, FAA Report DS-68-11, Contract FA67 WA-1682, June 1968.Google Scholar
4. Morris, G. J. Response of Several Turbojet Airplanes to Runway Roughness, NASA Tech Note TN D-5740, March 1970.Google Scholar