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), 4093-4100. (doi:10.1016/j.jsv.2012.04.023).
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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.
|Subjects:||T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
|Divisions:||Faculty of Engineering and the Environment > Institute of Sound and Vibration Research > Dynamics Research Group
Faculty of Engineering and the Environment > Institute of Sound and Vibration Research > Signal Processing & Control Research Group
|Date Deposited:||01 Jun 2012 14:20|
|Last Modified:||01 Jun 2012 14:20|
|Contributors:||Zilletti, Michele (Author)
Elliott, Stephen J. (Author)
Rustighi, Emiliano (Author)
|Date:||27 August 2012|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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