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ISSN 1817-2172, рег. Эл. № ФС77-39410, ВАК

Differential Equations and Control Processes
(Differencialnie Uravnenia i Protsesy Upravlenia)

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Elastic-flexural Wing Flutter: Modeling, Investigation, and Prevention. A Survey

Author(s):

Boris Rostislavich Andrievsky

Doctor of Technical Sciences, Leading Researcher, Laboratory for Control
of Complex Systems, Institute for Problems in Mechanical Engineering, RAS (IPME RAS),
Principal Researcher of the Department
of Applied Cybernetics, St. Petersburg State University,
Leading Researcher of the Baltic State Technical University "VOENMEKH" D.F. Ustinova "

boris.andrievsky@gmail.com

Nikolay Vladimirovich Kuznetsov

Doctor of Physical and Mathematical Sciences, Head of the Department
of Applied Cybernetics, St. Petersburg State University,
Head of the Laboratory of Information and Control Systems of the Institute
for Problems of Mechanical Engineering of the Russian Academy of Sciences (IPMash RAS)
Professor of the Department of Mathematical Information Technology, University of Jyvaskyla, Finland

n.v.kuznetsov@spbu.ru

Elena Vladimirivna Kudryashova

Doctor of Physical and Mathematical Sciences, Leading Researcher of the Department
of Applied Cybernetics, St. Petersburg State University

e.kudryashova@spbu.ru

Olga Aleksandrovna Kuznetsova

Doctor of Physical and Mathematical Sciences, Principal Researcher of the Department
of Applied Cybernetics, St. Petersburg State University

olga.kuznetsova@spbu.ru

Abstract:

Depending on the flight mode, the airflow can either damp aircraft oscillations, or, conversely, the oscillating structure takes energy from the incoming flow, as a result of which a rapid increase in amplitude of oscillations may occur. This dangerous phenomenon has become a significant obstacle to the development of high-speed aviation. Since the 1930s and up to the present time, the efforts of many researchers are aimed at describing the dynamics of this phenomenon, studying its properties and developing measures to prevent it. In the present paper, some existing results on elastic-flexural wing flutter are surveyed. The paper starts from various ways of modeling the elasticflexural wing flutter. The results on investigations of the elastic-flexural wing flutter phenomenon are reviewed, and several approaches of passive and active flutter suppression methods are described.

Keywords

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