[en] This paper presents a design methodology for a piezoelectric vibration absorber able to damp multiple nonlinear resonances. The design of multimodal linear piezoelectric absorbers is first reviewed. Next, based on the dynamics of the structure to which linear absorbers are attached, the design is extended to the nonlinear regime. The methodology is inspired from a principle of similarity: if a nonlinearity of one type is present in the host structure, the same type of nonlinearity is used in the absorbers. An explicit semi-analytical expression of the nonlinear coefficients in the absorber is obtained thanks to a first-order harmonic balance and a straightforward series expansion. Numerical examples are analysed to demonstrate the efficiency of the proposed approach.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Raze, Ghislain ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Lossouarn, Boris; Conservatoire national des arts et métiers > Laboratoire de Mécanique des Structures et des Systèmes Couplés
Paknejad, Ahmad; Université Libre de Bruxelles - ULB > Department of Bio-, Electro- and Mechanical Systems > Precision Mechatronics Laboratory
Zhao, Guoying; Université Libre de Bruxelles - ULB > Department of Bio-, Electro- and Mechanical Systems > Precision Mechatronics Laboratory
Deü, Jean-François; Conservatoire national des arts et métiers > Laboratoire de Mécanique des Structures et des Systèmes Couplés
Collette, Christophe ; Université Libre de Bruxelles - ULB > Department of Bio-, Electro- and Mechanical Systems > Precision Mechatronics Laboratory
Kerschen, Gaëtan ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Language :
English
Title :
A multimodal nonlinear piezoelectric vibration absorber
Publication date :
September 2018
Event name :
ISMA 2018 - 28th international conference on Noise and Vibration Engineering
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