Enhanced passive targeted energy transfer in strongly nonlinear mechanical oscillators

O. V. Gendelman, T. Sapsis, A. F. Vakakis, L. A. Bergman

Research output: Contribution to journalArticle

Abstract

Single-degree-of-freedom (SDOF) nonlinear energy sinks (NESs) can efficiently mitigate broadband disturbances applied to primary linear systems by means of passive targeted energy transfer (TET), but for a rather limited range of energies. We demonstrate that the TET can be significantly enhanced for broad range of energies by introducing additional internal degrees of freedom to the NES in a highly asymmetric fashion. Numerical simulations demonstrate that the enhanced performance is due to a positive synergistic effect of the internal degrees of freedom of the proposed NES with highly asymmetric stiffnesses.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalJournal of Sound and Vibration
Volume330
Issue number1
DOIs
StatePublished - Jan 3 2011

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Oscillators (mechanical)
mechanical oscillators
Energy transfer
energy transfer
sinks
degrees of freedom
Linear systems
Stiffness
energy
Computer simulation
linear systems
stiffness
disturbances
broadband
simulation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Acoustics and Ultrasonics
  • Mechanical Engineering

Cite this

Enhanced passive targeted energy transfer in strongly nonlinear mechanical oscillators. / Gendelman, O. V.; Sapsis, T.; Vakakis, A. F.; Bergman, L. A.

In: Journal of Sound and Vibration, Vol. 330, No. 1, 03.01.2011, p. 1-8.

Research output: Contribution to journalArticle

Gendelman, O. V. ; Sapsis, T. ; Vakakis, A. F. ; Bergman, L. A. / Enhanced passive targeted energy transfer in strongly nonlinear mechanical oscillators. In: Journal of Sound and Vibration. 2011 ; Vol. 330, No. 1. pp. 1-8.
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