Reference : Tuning methodology of nonlinear vibration absorbers coupled to nonlinear mechanical s...
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Aerospace & aeronautics engineering
http://hdl.handle.net/2268/119279
Tuning methodology of nonlinear vibration absorbers coupled to nonlinear mechanical systems
English
Viguié, R. [ > > ]
Kerschen, Gaëtan mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux >]
2011
Proceedings of the ASME International Design Engineering Technical Conferences
Yes
No
International
Washington
USA
ASME International Design Engineering Technical Conferences
August 2011
Washington
USA
[en] A large body of literature exists regarding linear and nonlinear dynamic absorbers, but the vast majority of it deals with linear primary structures. However, nonlinearity is a frequent occurrence in engineering applications. Therefore, the present paper focuses on the mitigation of vibrations of nonlinear primary systems using nonlinear dynamic absorbers. Because most existing contributions about their design rely on extensive parametric studies, which are computationally demanding, or on analytic methods, which may be limited to small-amplitude motions, this study proposes a tuning procedure which is computationally tractable and can treat strongly nonlinear regimes of motion. The proposed methodology relies on a frequency-energy based approach followed by bifurcation analysis. The results are illustrated using a one-degree-of-freedom primary system, which can, for instance, represent the vibrations of a specific mode of a multi-degree-of-freedom structure.
http://hdl.handle.net/2268/119279

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