A discrete model of a stochastic friction system

被引：33
作者：
Feng, Q [1 ]
机构：
[1] Tongji Univ, Dept Engn Mech, Minist Educ, Key Lab Solid Mech, Shanghai 200092, Peoples R China
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2003年 / 192卷 / 20-21期
基金：
中国国家自然科学基金;
关键词：
friction-induced vibration; stick-slip phenomenon; non-smooth system; random chaos; mean poincare map;
D O I：
10.1016/S0045-7825(03)00241-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To investigate a random friction system must cost a large of time on computer. So appropriate modeling of this system is of significance in practice. In this paper, an average model on simple random system with friction is firstly developed which is a discrete model by a two-dimensional mean Poincare map. It is applied to describe random stick-slip motion. The numerical example shows that external noise can change the system behavior. That model is extended to a MDOF system only with a friction interface. The example of 3-DOF system exhibits the interesting behavior due to influence of external noise. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：2339 / 2354
页数：16
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