Method for experimental determination of flutter speed by parameter identification

E. Nissim, Glenn B. Gilyard

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

A method for flight flutter testing is proposed which enables one to determine the flutter dynamic pressure from flights flown far below the flutter dynamic pressure. The method is based on the identification of the coefficients of the equations of motion at low dynamic pressures, followed by the solution of these equations to compute the flutter dynamic pressure. The initial results of simulated data reported in the present work indicate that the method can accurately predict the flutter dynamic pressure, as described. If no insurmountable difficulties arise in the implementation of this method, it may significantly improve the procedures for flight flutter testing.

Original languageEnglish
Title of host publicationNASA Technical Paper
Edition2923
StatePublished - Jun 1989
Externally publishedYes

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