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Aeroelastic Flutter Prevention in Gliders and Small Aircraft

Stender, W. and Kießling, F. (1991) Aeroelastic Flutter Prevention in Gliders and Small Aircraft. DLR-Mitteilung. 91-03, 60 S.

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An empirical method is specified which can be used by the manufacturers of gliders and small aircraft to evaluate flutter vulnerability without extensive computational analysis and to take appropriate preventive measures. Suggestions are given on how designers can avert flutter from the very outset of the designing process. This method has been applied by the author in numerous cases and can be considered proven for conventional structures. It is based on the results of a simple vibration test as well as stiffness and friction measurements taken on the control system. Statistically derived design frequencies are given, thus restricting the number of vibration modes which must be considered. Through this method the required mass balance for the control surfaces is derived. Simple formulas for the calculation of the torsion frequency and the critical speed for torsional flutter are given.

Item URL in elib:https://elib.dlr.de/39473/
Document Type:Monograph (DLR-Mitteilung)
Additional Information: LIDO-Berichtsjahr=1991,
Title:Aeroelastic Flutter Prevention in Gliders and Small Aircraft
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Stender, W.externUNSPECIFIED
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:60
Keywords:vibrations, flutter, glider, small aircraft, mass balance. Schwingungen, Flattern, Segelflugzeuge, Kleinflugzeuge, Massenausgleich.
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: DLR-Beauftragter, elib
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 10:44

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