Please use this identifier to cite or link to this item:
https://open.uns.ac.rs/handle/123456789/14642
Title: | On the response of a harmonically excited two degree-of-freedom system consisting of a linear and a nonlinear quasi-zero stiffness oscillator | Authors: | Gatti G. Kovačić, Ivana Brennan M. |
Issue Date: | 1-Jan-2010 | Journal: | Journal of Sound and Vibration | Abstract: | There are many systems which consist of a nonlinear oscillator attached to a linear system, examples of which are nonlinear vibration absorbers, or nonlinear systems under test using shakers excited harmonically with a constant force. This paper presents a study of the dynamic behaviour of a specific two degree-of-freedom system representing such a system, in which the nonlinear system does not affect the vibration of the forced linear system. The nonlinearity of the attachment is derived from a geometric configuration consisting of a mass suspended on two springs which are adjusted to achieve a quasi-zero stiffness characterstic with pure cubic nonlinearity. The response of the system at the frequency of excitation is found analytically by applying the method of averaging. The effects of the system parameters on the frequency-amplitude response of the relative motion are examined. It is found that closed detached resonance curve can appear as a part of the overall amplitude-frequency response. Two typical situations for the creation of the detached resonance curve inside the main resonance curve, which are dependent on the damping in the nonlinear oscillator are discussed. © 2009 Elsevier Ltd. All rights reserved. | URI: | https://open.uns.ac.rs/handle/123456789/14642 | ISSN: | 0022460X | DOI: | 10.1016/j.jsv.2009.11.019 |
Appears in Collections: | FTN Publikacije/Publications |
Show full item record
SCOPUSTM
Citations
115
checked on Nov 20, 2023
Page view(s)
43
Last Week
2
2
Last month
0
0
checked on May 3, 2024
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.