Optimal design of a damped dynamic vibration absorber for vibration control of structure excited by ground motion

Optimum parameters of a dynamic vibration absorber of non-traditional form have been derived for suppressing vibration of a single degree-of-freedom system due to ground motion. The reduction of transmission of motion from the support to the mass of the structure is compared for the cases of using t...

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Bibliographic Details
Published in:Engineering structures 2008, Vol.30 (1), p.282-286
Main Authors: Wong, W.O., Cheung, Y.L.
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Damping
Exact sciences and technology
Geotechnics
Stresses. Safety
Structural analysis. Stresses
Structure-soil interaction
Tuned mass damper
Vibration absorber
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Summary:Optimum parameters of a dynamic vibration absorber of non-traditional form have been derived for suppressing vibration of a single degree-of-freedom system due to ground motion. The reduction of transmission of motion from the support to the mass of the structure is compared for the cases of using the traditional and the proposed dynamic absorbers. Under the optimum tuning condition of the absorbers, it is proved analytically that the proposed absorber provides a larger suppression of resonant vibration amplitude of the primary system excited by ground motion than the traditional absorber.
ISSN:0141-0296
1873-7323
DOI:10.1016/j.engstruct.2007.03.007