Vibration control of a nonlinear beam with a nonlinear energy sink

被引：104
|
作者：
Kani, M. [1 ]
Khadem, S. E. [2 ]
Pashaei, M. H. [1 ]
Dardel, M. [1 ]
机构：
[1] Babol Noshirvani Univ Technol, Dept Mech Engn, Babol Sar, Iran
[2] Tarbiat Modares Univ, Aerosp & Mech Engn Dept, Tehran, Iran
来源：
NONLINEAR DYNAMICS | 2016年 / 83卷 / 1-2期
关键词：
Nonlinear energy sink; Nonlinear normal modes; Nonlinear beam; Particle swarm optimization method; Lagrange equation; Rayleigh-Ritz method; PARTICLE SWARM OPTIMIZATION; SYSTEM; OSCILLATORS; STIFFNESS; DYNAMICS;
D O I：
10.1007/s11071-015-2304-x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, targeted energy transfer from a nonlinear continuous system to a nonlinear energy sink (NES) is investigated. For this purpose, the equation of a nonlinear beam with simply supported ends, on which the NES is attached, is derived using Rayleigh-Ritz method and the Lagrange equation. Then, parameters of the NES are optimized by both sensitivity analysis and particle swarm optimization (PSO) method. Analysis of the energy transfer between the nonlinear beam and the NES is presented, using the complexification-averaging method, too. Attaching an NES to a nonlinear continuous system and using the PSO method to obtain the optimized parameters of the NES is a new development, presented in this work. Also, here, more than one mode of the beam has been considered for analysis of energy transfer between the NES and different modes of the primary system.
引用
收藏
页码：1 / 22
页数：22
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