期刊
ADVANCES IN MECHANICAL ENGINEERING
卷 8, 期 8, 页码 -出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1687814016665552
关键词
Energy dissipation; equivalent material; damping loss factor; joint interface; tangential force
资金
- National Key Science and Technology Special Projects [2013ZX04005-013, 2014ZX04014-011, 2015ZX04005001]
The damping characteristics of the joint interfaces affect the dynamic behaviors of a whole accurate machine construction notably. An equivalent material damping model between the joint interfaces under the tangential force is established based on contact theory and micro-slip theory. A quantitative analysis of the damping which is characterized by the equivalent loss factor beta is presented. Through the numerical simulation, the influences of the joint parameters (such as tangential force, normal force, and friction factor) on damping loss factor are investigated. The numerical simulation result shows that under the condition of micro-slip (T
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