Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23708
Title: Design of a dynamic vibration absorber for vibration isolation of beams under point or distributed loading
Authors: Wong, WO 
Tang, SL
Cheung, YL
Cheng, L 
Issue Date: 2007
Source: Journal of sound and vibration, 2007, v. 301, no. 3-5, p. 898-908
Abstract: A new dynamic vibration absorber combining a translational-type absorber and a rotational-type absorber is proposed for isolation of beam vibration under point or distributed harmonic excitation. Finite element analysis and Euler-Bernouli beam theory are used for evaluation of the performance of vibration isolation of the proposed absorber mounted on a beam. It is proved theoretically that the absorber can isolate the vibration in one part of a beam when it is subjected to a point or distributed harmonic excitation. A prototype of the combined translational and rotational dynamic absorber had been designed and made for evaluation. Both numerical and experimental tests have been done for verification of the theoretical prediction of vibration isolation in beam vibration. The proposed absorber is also suitable for vibration isolation of beam with nonuniform cross-section.
Publisher: Academic Press
Journal: Journal of sound and vibration 
ISSN: 0022-460X
EISSN: 1095-8568
DOI: 10.1016/j.jsv.2006.10.028
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