Nonlinear energy sink to control elastic strings: the internal resonance case

被引：55
|
作者：
Luongo, Angelo [1 ]
Zulli, Daniele [1 ]
机构：
[1] Univ Aquila, M&MoCS, I-67100 Laquila, AQ, Italy
来源：
NONLINEAR DYNAMICS | 2015年 / 81卷 / 1-2期
关键词：
Nonlinear energy sink; Infinite dimensional system; Internal resonance; Multiple Scale/Harmonic Balance Method; TUNED MASS DAMPERS; AEROELASTIC OSCILLATORS; VIBRATING SYSTEMS; END ATTACHMENT; DYNAMICS; BEAM; ROD; NES;
D O I：
10.1007/s11071-015-2002-8
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The use of nonlinear energy sink as a passive control device is extended here to a nonlinear elastic string, in internal resonance conditions, excited by an external harmonic force. The Multiple Scale/Harmonic Balance Method is directly applied to the partial differential equations ruling the dynamics of the system. The internal resonance condition of the string involves a rich response containing essentially both the resonant, directly excited, mode and a super-harmonic one. Numerical results on a case study are presented.
引用
收藏
页码：425 / 435
页数：11
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