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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.2017020523
pages 97-110

INVESTIGATION OF SINGLE-MODE FLUTTER OF VARIOUS SHAPE PLATES AT LOW SUPERSONIC SPEEDS

Farrukh Adkhamovich Abdukhakimov
Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, 119991, Russian Federation
Vasily Vladimirovich Vedeneev
Lomonosov Moscow State University, 1, Leninskie Gory, Moscow, Russia

ABSTRACT

Single-mode flutter is a type of panel flutter that occurs at low supersonic speeds without interaction between oscillation modes. In this paper, we investigate the single-mode flutter of thin elastic plates of different shapes exposed on one side to a perfect inviscid gas flow. We use the energy method in our study. Rectangular, trapezoidal, and parallelogram plates are considered. We obtained that the flutter boundaries for trapezoidal plates vary slightly in comparison with the rectangular plates. To the contrary, even at a small curvature angle the aeroelastic stability increases significantly for parallelogram plates.


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