Zilletti, Michele, Elliott, Stephen J. and Rustighi, Emiliano
Optimisation of dynamic vibration absorbers to minimise kinetic energy and maximise internal power dissipation
Journal of Sound and Vibration, 331, (18), . (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.
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