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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN En Línea: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2018025714
pages 565-577

APPLICATION OF THE POLYNOMIAL RITZ METHOD FOR ANALYZING DYNAMIC AEROELASTICITY CHARACTERISTICS BY TAKING INTO ACCOUNT GYROSCOPIC FORCES

Fanil’ Zakievich Ishmuratov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky St. 1, Zhukovsky, 140180, Russia
Anton Gennadievich Kuznetsov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Valeriy Arkadievich Mosunov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, 140180, Russia

SINOPSIS

This paper describes the development of a method for calculating dynamic aeroelasticity characteristics (eigenfrequencies, flutter, dynamic response, and aeroservoelasticity) by taking into account gyroscopic forces using the polynomial Ritz method. An example of the destabilizing influence of gyroscopic forces on the flutter and aeroservoelasticity characteristics of an airplane with engines located on pylons under the wing is presented.