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- Title
Broadening the frequency bandwidth of a finite extensibility nonlinear vibration absorber by exploiting its internal resonances.
- Authors
Elías-Zúñiga, Alex; Palacios-Pineda, Luis Manuel; Olvera-Trejo, Daniel; Martínez-Romero, Oscar
- Abstract
In this paper, the dynamics response of a finite extensibility nonlinear elastic (FENE) absorber attached to a nonlinear primary system is investigated by writing the modal form equations of motion as two decoupled, damped, and forced cubic–quintic expressions of the Duffing type. Then, numerical integration solutions of these decoupled expressions are used to find frequency–amplitude response plots, the largest Lyapunov exponents, suppression bandwidth, and force transmissibility that are used for investigating how the addition of the FENE absorber modifies the vibration conditions of the main system. The results suggest that the addition of the FENE absorber can lead to vibration mitigation of the primary system while enhancing its performance when the system operates in the vicinity of internal resonance conditions.
- Subjects
VIBRATION absorbers; RESONANCE; BANDWIDTHS; NUMERICAL integration; NONLINEAR systems; LYAPUNOV exponents
- Publication
Nonlinear Dynamics, 2020, Vol 102, Issue 3, p1239
- ISSN
0924-090X
- Publication type
Article
- DOI
10.1007/s11071-020-05721-4