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Toward an Optimal Design Procedure of a Nonlinear Vibration Absorber Coupled to a Duffing Oscillator
Viguié, Régis; Kerschen, Gaëtan
2008In International Conference on Noise and Vibration Engineering, Leuven, 2008
 

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Keywords :
tuned mass damper; nonlinear energy sink; frequency-energy plot; targeted energy transfer
Abstract :
[en] In the present study, the focus is set on the development of a design methodology for nonlinear vibration absorbers, termed nonlinear energy sink (NES), to optimize the vibrating level reduction on a Duffing oscillator. The idea lies in the assessment of a duality property between, on the one hand, the tuning procedure of the tuned mass damper (TMD) coupled to a linear oscillator and, on the other hand, the assumed design scheme of NES coupled to a purely nonlinear Duffing oscillator. To this end, the basics on the TMD tuning methodology are recalled and extended to the concept of frequency-energy plot (FEP) [1]. Then, based upon this concept, the development of a NES design procedure is undertaken and the related dynamics analyzed. Finally, it is shown how to design a vibration absorber to deal with a general Duffing oscillator.
Disciplines :
Mechanical engineering
Aerospace & aeronautics engineering
Author, co-author :
Viguié, Régis ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Language :
English
Title :
Toward an Optimal Design Procedure of a Nonlinear Vibration Absorber Coupled to a Duffing Oscillator
Publication date :
2008
Event name :
International Conference on Noise and Vibration Engineering
Event place :
Leuven, Belgium
Audience :
International
Main work title :
International Conference on Noise and Vibration Engineering, Leuven, 2008
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since 13 August 2009

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