Flutter analysis of the IAR 99 SOIM aircraft

Flutter analysis is considered for the minimum altitude at which the minimum designed Mach number is achieved, for the maximum altitude at which the maximum designed dynamic pressure is obtained, and for the minimum altitude at which transonic effects begin occurring. Moreover, analysis is performed...

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Bibliographic Details
Published in:INCAS bulletin 2013-06, Vol.5 (2), p.33-41
Main Authors: Lozici-Brinzei, Dorin, Baran, Daniela, Tataru, Simion
Format: Article
Language:English
Subjects:
Aircraft
Altitude
boundary conditions
Damping
Equivalence
finite element method
flight loads
Flutter
Flutter analysis
Mach number
Vibration
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Summary:Flutter analysis is considered for the minimum altitude at which the minimum designed Mach number is achieved, for the maximum altitude at which the maximum designed dynamic pressure is obtained, and for the minimum altitude at which transonic effects begin occurring. Moreover, analysis is performed for any other altitudes considered necessary. Flutter analysis results are graphically presented in equivalent speed with the curves of structural damping coefficient g required for flutter according to the flutter speed. Flutter analysis aims to determine the speeds of IAR 99 SOIM.
ISSN:2066-8201
2247-4528
DOI:10.13111/2066-8201.2013.5.2.5