Frictional Phenomena in Dynamical Systemwith Two-Frequency Excitation |
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Authors: | Bogacz Roman Ryczek Boguslaw |
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Institution: | (1) Institute of Fundamental Technological Research, Polish Academy of Sciences and Warsaw Universityof Technology, Swietokrzyska 21, 00-049 Warsaw, Poland |
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Abstract: | The paper deals with investigation of a self-excited vibrating system with dry friction. The system is composed of a mass connected by viscoelastic element with the referring frame and interacting with a moving belt by means of dry friction. An experimentally identified, multi-parametric dry friction model for the pair composed of soft and hard elements like steel–polyester pair, describing both the case of stick-slip and quasi-harmonic vibration, has been applied. Additionally, the system is influenced by external, two-frequency kinematic excitation. The results of computer simulation for different excitation conditions are submitted in the present paper. |
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Keywords: | Friction Self-excited vibration Two-frequency external excitation |
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