VISCO-ELASTIC SYSTEMS UNDER BOTH DETERMINISTIC HARMONIC AND RANDOM EXCITATION

被引：0
|
作者：
徐伟
戎海武
方同
机构：
[1] Foshan University
[2] Department of Applied Mathematics
[3] Institute of Vibration Engineering
[4] Northwestern Polytechnical University
[5] Guangdong 528000
[6] Northwestern Polytechnical University Xi’an 710072
[7] China
来源：
Applied Mathematics and Mechanics(English Edition) | 2003年 / 01期
关键词：
visco_elastic system; method of harmonic balance; method of stochastic averaging;
D O I：
暂无
中图分类号：
O324 [随机振动];
学科分类号：
080101 ;
摘要：
The response of visco_elastic system to combined deterministic harmonic and random excitation was investigated. The method of harmonic balance and the method of stochastic averaging were used to determine the response of the system. The theoretical analysis was verified by numerical results. Theoretical analyses and numerical simulations show that when the intensity of the random excitation increase, the nontrivial steady state solution may change from a limit cycle to a diffused limit cycle. Under some conditions the system may have two steady state solutions and jumps may exist.
引用
收藏
页码：61 / 67
页数：7
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