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Vibration Mitigation of Nonlinear Vibrating Structures using Nonlinear Energy Sinks
Viguié, Régis; Peeters, Maxime; Kerschen, Gaëtan et al.
2008In 26th International Modal Analysis Conference, Orlando, 2008
 

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Keywords :
Vibrations mitigation; nonlinear vibrating structures; nonlinear energy sink; resonant frequencies
Abstract :
[en] The tuned mass damper (TMD) is a simple and efficient device, but it is only effective when it is precisely tuned to the frequency of a vibration mode. Because nonlinear vibrating structures have resonant frequencies that vary with the amount of total energy in the system, the efficiency of a TMD is questionable in this case. In the present study, the performance of an essentially nonlinear attachment, termed a nonlinear energy sink (NES), is assessed. It is shown that, unlike the TMD, an NES has no preferential resonant frequency, which makes it a good candidate for vibration mitigation of nonlinear vibrating structures.
Disciplines :
Physics
Aerospace & aeronautics engineering
Mechanical engineering
Computer science
Author, co-author :
Viguié, Régis ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Peeters, Maxime ;  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
Golinval, Jean-Claude  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Language :
English
Title :
Vibration Mitigation of Nonlinear Vibrating Structures using Nonlinear Energy Sinks
Publication date :
2008
Event name :
26th International Modal Analysis Conference
Event place :
Orlando, Floride, United States
Audience :
International
Main work title :
26th International Modal Analysis Conference, Orlando, 2008
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since 18 August 2009

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