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| A Two-Dimensional Micro slip Model for Analyzing Coupled Vibration of Turbine Blade with Dry Friction Damper |
| HE Bingbing 1 REN Xingmin 1 HE Shangwen 2 QIN Weiyang 1 YANG Yongfeng 1 DENG Wangqun 3 |
| 1. Northwestern Polytechnical University, Institute of Vibration Engineering, Xi' an 710072, China;2.Zhengzhou University, School of Mechanics & Engineering Science, Zhengzhou 450001, China;3. China Aviation Dynamical Machinery Research Institute, Zhuzhou 412002, China |
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Abstract Based on one-dimensional micro slip model and trajectory-tracing method, a two-dimensional micro slip friction model to analyze coupled vibration was presented by introducing parallel springs with sliding contact to simulate the contact state. The formula of friction force for all contact states was deduced. The law of two-dimensional micro slip is deeply revealed by simulations. Conclusions drawn from the analyses show that two-dimensional micro slip is in accordance with, and as well as different with one-dimensional micro slip and that the two-dimensional micro slip model can be used to analyze coupled vibration of dry friction damper.
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Received: 21 May 2013
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2014, Vol. 33 
