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A discrete model of a stochastic friction system

โœ Scribed by Q. Feng

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
549 KB
Volume
192
Category
Article
ISSN
0045-7825

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โœฆ Synopsis

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 Poincar e e map. It is applied to describe random stickslip 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.

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