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https://open.uns.ac.rs/handle/123456789/13595
Title: | On the estimation of linear viscous damping in the duffing oscillator | Authors: | Ramlan R. Brennan M. Mace B. Kovačić, Ivana Burrow S. |
Issue Date: | 1-Dec-2009 | Journal: | 16th International Congress on Sound and Vibration 2009, ICSV 2009 | Abstract: | This paper introduces simple analytical expressions for the damping ratio and the non-linearity in the hardening Duffing oscillator. The damping ratio and the non-linearity are estimated using the jump-up and the jump-down frequencies from the displacement response of the system. The jump-up and the jump-down frequencies are obtained analytically using the frequency-amplitude relationship of the system, which is solved using the Harmonic Balance method (HBM). Both the force- and the base-excited systems are investigated in this paper. Experimental results for the base-excited system are included to demonstrate the accuracy of the estimation. | URI: | https://open.uns.ac.rs/handle/123456789/13595 | ISBN: | 9781615677368 |
Appears in Collections: | FTN Publikacije/Publications |
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