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Global control of structural vibration using multiple tunable vibration neutralisers

Global control of structural vibration using multiple tunable vibration neutralisers
Global control of structural vibration using multiple tunable vibration neutralisers
Tunable vibration absorbers are used to control vibration due to time-varying harmonic disturbances. Either vibration which is local to the neutralizer, or global vibration of the host structure can be chosen as the quantity to be suppressed. In this paper, the latter is the subject of investigation, but using multiple neutralizers rather than a single device. It is shown that by positioning these devices carefully, the global vibration of a structure (as characterized by its kinetic energy) can be effectively reduced at each single frequency in the frequency range of interest, and is comparable to the performance of active control. A methodology on how to correctly position the devices, an on how to determine their optimum mass is suggested.
0022-460X
345-357
Dayou, J.
a73ec146-0f06-4a50-b38d-ce58b7ee4e79
Brennan, M.J.
87c7bca3-a9e5-46aa-9153-34c712355a13
Dayou, J.
a73ec146-0f06-4a50-b38d-ce58b7ee4e79
Brennan, M.J.
87c7bca3-a9e5-46aa-9153-34c712355a13

Dayou, J. and Brennan, M.J. (2002) Global control of structural vibration using multiple tunable vibration neutralisers. Journal of Sound and Vibration, 258 (2), 345-357. (doi:10.1006/jsvi.2002.5188).

Record type: Article

Abstract

Tunable vibration absorbers are used to control vibration due to time-varying harmonic disturbances. Either vibration which is local to the neutralizer, or global vibration of the host structure can be chosen as the quantity to be suppressed. In this paper, the latter is the subject of investigation, but using multiple neutralizers rather than a single device. It is shown that by positioning these devices carefully, the global vibration of a structure (as characterized by its kinetic energy) can be effectively reduced at each single frequency in the frequency range of interest, and is comparable to the performance of active control. A methodology on how to correctly position the devices, an on how to determine their optimum mass is suggested.

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Published date: 2002

Identifiers

Local EPrints ID: 10019
URI: http://eprints.soton.ac.uk/id/eprint/10019
ISSN: 0022-460X
PURE UUID: 153fd568-070f-400b-8a60-10ed094370e4

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Date deposited: 06 Jan 2005
Last modified: 15 Jul 2019 19:37

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