Accession Number : AD0438655


Title :   DAMPING IN SLIGHTLY NON-LINEAR SYSTEMS: IMPLICATIONS TO DYNAMIC STABILITY TESTING,


Corporate Author : GENERAL ELECTRIC CO SCHENECTADY N Y


Personal Author(s) : Abel,J M


Report Date : Jan 1964


Pagination or Media Count : 27


Abstract : The method of Krylov-Bogoliubov is used to analyze the response of a one degree of freedom second o9der system with various forms of nonlinear damping. The amplitudes of the responses are computed for oscillations about differing equilibrium positions and the resulting amplitude decays are compared. The results of th analysis are discussed with regard to their implications to dynamic stability testing in an attempt to resolve the question of testing at high or low mean incidence and to point out the importance of considering non-linearities in the reduction of dynamic stability test data. Examples of the application of the results to actual test data are given. (Author)


Descriptors :   STABILITY , ANGLE OF ATTACK , OSCILLATION , DAMPING , MOTION , NONLINEAR SYSTEMS


Distribution Statement : APPROVED FOR PUBLIC RELEASE