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Optimisation of dynamic vibration absorbers to minimise kinetic energy and maximise internal power dissipation

Zilletti, Michele, Elliott, Stephen J. and Rustighi, Emiliano (2012) Optimisation of dynamic vibration absorbers to minimise kinetic energy and maximise internal power dissipation Journal of Sound and Vibration, 331, (18), pp. 4093-4100. (doi:10.1016/j.jsv.2012.04.023).

Record type: Article

Abstract

The tuning of a dynamic vibration absorber is considered such that either the kinetic energy of the host structure is minimised or the power dissipation within the absorber is maximised. If the host structure is approximated as a damped single degree of freedom, the optimal values for the ratio of the absorber's natural frequency to the host structure and the optimal damping ratio of the absorber are shown to be the same whether the kinetic energy of the host structure is minimised or the power dissipation of the absorber is maximised. It is also demonstrated that the total power input into the system does not depend on the two parameters but only on the host structure's mass.

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More information

e-pub ahead of print date: 15 May 2012
Published date: August 2012
Organisations: Dynamics Group, Signal Processing & Control Grp

Identifiers

Local EPrints ID: 339929
URI: http://eprints.soton.ac.uk/id/eprint/339929
ISSN: 0022-460X
PURE UUID: 519105df-ae70-471d-8fb6-e27c21c8f3e2
ORCID for Emiliano Rustighi: ORCID iD orcid.org/0000-0001-9871-7795

Catalogue record

Date deposited: 01 Jun 2012 14:20
Last modified: 18 Jul 2017 05:51

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