Linear flutter prediction using symbolic programming

Author(s)
Author(s)
Sedaghat, A.
Cooper, J. E.
Wright, J. R.
Date Issued
1999
Publisher
A.A. Balkema
Related Publication(s)
Integrating dynamics, condition monitoring and control for the 21st century: DYMAC 99 - Proceedings of the First International Conference on the Integration of Dynamics, Monitoring and Control
Start page
37
End page
42
Abstract
A procedure is developed to predict the speed and frequency at which flutter occurs, based upon the use of symbolic programming. The approach performs the computation in a single step and does not require the repeated calculations at various speeds required when using the classical v.g. method. By curvefitting aeroelastic response data it is possible to find a polynomial representation of the unsteady aerodynamics. Making use of this approximation eliminates the need for iterative frequency matching schemes. The procedure is validated upon a number of simulated aeroelastic systems.
URI
SFU Affiliated Publication
No
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