Comptes Rendus
Identification of nonlinear anti-vibration isolator properties
Comptes Rendus. Mécanique, Volume 345 (2017) no. 6, pp. 386-398.

Vibrations are classified among the major problems for engineering structures. Anti-vibration isolators are used to absorb vibration energy and minimise transmitted force which can cause damage. The isolator is modelled as a parallel combination of stiffness and damping elements. The main purpose of the model is to enable designers to predict the dynamic response of systems under different structural excitations and boundary conditions. A nonlinear identification method, discussed in this paper, aims to provide a tool for engineers to extract information about the nonlinear dynamic behaviour using measured data from experiments. The proposed method is demonstrated and validated with numerical simulations. Thus, this technique is applied to determine the nonlinear parameters of a commercial metal mesh isolator. Nonlinear stiffness and nonlinear damping can decrease with the increase in the amplitude of the base excitation. The softening behaviour of the mesh isolator is clearly visible.

Published online:
DOI: 10.1016/j.crme.2017.03.004
Keywords: Anti-vibration isolator, Dynamic behaviour, Transmissibility measured data, Numerical simulations

Fares Mezghani 1, 2; Alfonso Fernández Del Rincón 2; Mohamed Amine Ben Souf 1; Pablo García Fernandez 2; Fakher Chaari 1; Fernando Viadero Rueda 2; Mohamed Haddar 1

1 Laboratory of Mechanics, Modelling and Production, National School of Engineering of Sfax, University of Sfax, Sfax, Tunisia
2 Laboratory of Structural and Mechanical Engineering, Superior Technical School of Industrial Engineering and Telecommunications, University of Cantabria, Santander, Spain
     author = {Fares Mezghani and Alfonso Fern\'andez Del Rinc\'on and Mohamed Amine Ben Souf and Pablo Garc{\'\i}a Fernandez and Fakher Chaari and Fernando Viadero Rueda and Mohamed Haddar},
     title = {Identification of nonlinear anti-vibration isolator properties},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {386--398},
     publisher = {Elsevier},
     volume = {345},
     number = {6},
     year = {2017},
     doi = {10.1016/j.crme.2017.03.004},
     language = {en},
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AU  - Mohamed Amine Ben Souf
AU  - Pablo García Fernandez
AU  - Fakher Chaari
AU  - Fernando Viadero Rueda
AU  - Mohamed Haddar
TI  - Identification of nonlinear anti-vibration isolator properties
JO  - Comptes Rendus. Mécanique
PY  - 2017
SP  - 386
EP  - 398
VL  - 345
IS  - 6
PB  - Elsevier
DO  - 10.1016/j.crme.2017.03.004
LA  - en
ID  - CRMECA_2017__345_6_386_0
ER  - 
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%A Alfonso Fernández Del Rincón
%A Mohamed Amine Ben Souf
%A Pablo García Fernandez
%A Fakher Chaari
%A Fernando Viadero Rueda
%A Mohamed Haddar
%T Identification of nonlinear anti-vibration isolator properties
%J Comptes Rendus. Mécanique
%D 2017
%P 386-398
%V 345
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%I Elsevier
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Fares Mezghani; Alfonso Fernández Del Rincón; Mohamed Amine Ben Souf; Pablo García Fernandez; Fakher Chaari; Fernando Viadero Rueda; Mohamed Haddar. Identification of nonlinear anti-vibration isolator properties. Comptes Rendus. Mécanique, Volume 345 (2017) no. 6, pp. 386-398. doi : 10.1016/j.crme.2017.03.004.

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