On impact dampers for non-linear vibrating systems

Chatterjee, S. ; Mallik, A. K. ; Ghosh, A. (1995) On impact dampers for non-linear vibrating systems Journal of Sound and Vibration, 187 (3). pp. 403-420. ISSN 0022-460X

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00224...

Related URL: http://dx.doi.org/10.1006/jsvi.1995.0532


The performance of an impact damper for controlling the vibration of a harmonically excited, hard Duffing's oscillator is investigated. Both elastic and inelastic collisions are considered. The optimum design is based around a low amplitude, stable solution predicted by the harmonic balance method. The final design is obtained and verified by numerical integration. Also, the use of an impact damper as an on-off migration controller for a guided transition from the resonance to the non-resonance branch of the solution is proposed. This scheme obviates the need of continuous, noisy operation of an impact damper.

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