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http://dx.doi.org/10.5139/JKSAS.2002.30.5.056

Subsonic Flutter Experiment and Analysis of Flat Plate Wing  

Bae, Jae-Sung (한국과학기술원 항공우주공학)
Kim, Jong-Yun (한국과학기술원 항공우주공학)
Yang, Seung-Man (한국과학기술원 항공우주공학)
Lee, In (한국과학기술원 기계공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.30, no.5, 2002 , pp. 56-61 More about this Journal
Abstract
Experimental flutter test for a flat plate wing is performed and the flutter analysis methods are verified by comparing with the experimental results. Wing model and experimental equipment are established in the subsonic wind-tunnel. From the response of the wing, the flutter speed is estimated by using the system identification technique. MSC/NASTRAN, V-g method and root-locus method are used for the flutter analysis of the wing. The computed flutter speed is compared with the estimated one from the experiment, and they show good agreement. Wing model in the present study can be used as a benchmark model for the flutter analysis.
Keywords
Flutter Analysis; Flutter Experiment; System Identification;
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