期刊
JOURNAL OF SOUND AND VIBRATION
卷 330, 期 1, 页码 1-8出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2010.08.014
关键词
-
资金
- Binational US-Israel Science Foundation [2008055]
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 (TEE), 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. (C) 2010 Elsevier Ltd. All rights reserved.
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