Engineering Mechanics

International Conference

Proceedings Vol. 15 (2009)


May 11 – 14, 2009, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2009 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-35-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Alternative expression for stable and unstable limit cycles of aeroelastic pendulum
S. Pospíšil, J. Náprstek
pages 1049 - 1056, full text

The subject considered in this paper is the aero-elastic self-induced oscillation of a mechanical system with generalized single degree-of-freedom (SDOF). The motion is described by an ordinary differential equation of Duffing type with special form of aero-elastic damping terms of Van der Pol type. A new semi-analytical approach is introduced in order to identify the limit cycles, both stable as well as unstable, which are not possible to be identified by means of an experiments nor by a numerical integration.

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All papers were reviewed by members of the scientific committee.

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