Article (Scientific journals)
Nonlinear generalization of Den Hartog׳s equal-peak method
Habib, Giuseppe; Detroux, Thibaut; Viguié, Régis et al.
2015In Mechanical Systems and Signal Processing, 52-53, p. 17-28
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Keywords :
Nonlinear resonances; Vibration absorber; Nonlinearity synthesis; Equal-peak method
Abstract :
[en] This study addresses the mitigation of a nonlinear resonance of a mechanical system. In view of the narrow bandwidth of the classical linear tuned vibration absorber, a nonlinear absorber, termed the nonlinear tuned vibration absorber (NLTVA), is introduced in this paper. An unconventional aspect of the NLTVA is that the mathematical form of its restoring force is tailored according to the nonlinear restoring force of the primary system. The NLTVA parameters are then determined using a nonlinear generalization of Den Hartog׳s equal-peak method. The mitigation of the resonant vibrations of a Duffing oscillator is considered to illustrate the proposed developments.
Disciplines :
Mechanical engineering
Author, co-author :
Habib, Giuseppe ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Detroux, Thibaut ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Viguié, Régis
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Language :
English
Title :
Nonlinear generalization of Den Hartog׳s equal-peak method
Publication date :
February 2015
Journal title :
Mechanical Systems and Signal Processing
ISSN :
0888-3270
eISSN :
1096-1216
Publisher :
Academic Press, London, United Kingdom
Volume :
52-53
Pages :
17-28
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
ERC - European Research Council [BE]
Funding number :
ERC Starting Grant NoVib 307265
Available on ORBi :
since 05 November 2014

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