Targeted energy transfer in a 2-DOF mechanical system coupled to a non-linear energy sink with varying stiffness

被引：5
|
作者：
Lamarque, Claude-Henri [1 ]
Thouverez, F. [2 ]
Rozier, B. [2 ,3 ]
Dimitrijevic, Z. [3 ]
机构：
[1] Univ Lyon, Ecole Natl Travaux Publ Etat, Vaulx En Velin, France
[2] Univ Lyon, Ecole Cent Lyon, Vaulx En Velin, France
[3] Peugeot Citroen Automobiles, DRIA DSTF MSMX, Paris, France
来源：
JOURNAL OF VIBRATION AND CONTROL | 2017年 / 23卷 / 16期
关键词：
Targeted energy transfer (TET); non-linear energy sink (NES); varying stiffness; fixed point; singular point and bifurcation; periodic solution; relaxation; strongly modulated response (SMR); BOUC-WEN TYPE; LINEAR-OSCILLATOR; VIBRATION ABSORPTION; DYNAMICAL BEHAVIOR; NORMAL-MODES; MASS;
D O I：
10.1177/1077546315618540
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The dynamical behavior of a non-linear mechanical system with two degrees of freedom (DOFs) during free and forced excitations is studied analytically and numerically. The non-linearity of the system is represented intentionally by a smooth non-linear simple function with periodically varying stiffness around a constant value for the sake of practical investigations. Analysis of the system leads to a method that could be used to design the non-linear energy sink (NES) so that the behavior of the system during relaxation and its strongly modulated response (SMR) could be improved versus the constant stiffness configuration.
引用
收藏
页码：2567 / 2577
页数：11
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