The prediction of self friction-induced vibrations is of major importance in the design of dry friction systems. This is known to be a challenging problem since dry friction systems are very complex nonlinear systems. Moreover, it has been shown that the friction coefficients admit dispersions depending in general on the manufacturing process of dry friction systems. As the dynamic behavior of these systems is very sensitive to the friction parameters, it is necessary to predict the friction-induced vibrations by taking into account the dispersion of friction. So, the main problem is to define efficient methods which help to predict friction-induced vibrations by taking into account both nonlinear and random aspect of dry friction systems. The multi-element generalized polynomial chaos formalism is proposed to deal with this question in a more general setting. It is shown that, in the case of friction-induced vibrations obtained from long time integration, the proposed method is efficient by opposite to the generalized polynomial chaos based method and constitutes an interesting alternative to the prohibitive Monte Carlo method.
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August 2012
Research Papers
Prediction of Random Self Friction-Induced Vibrations in Uncertain Dry Friction Systems Using a Multi-Element Generalized Polynomial Chaos Approach
Evelyne Aubry
Evelyne Aubry
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Lyes Nechak
Sébastien Berger
Evelyne Aubry
J. Vib. Acoust. Aug 2012, 134(4): 041015 (14 pages)
Published Online: June 1, 2012
Article history
Received:
September 21, 2010
Revised:
February 9, 2012
Online:
June 1, 2012
Published:
June 1, 2012
Citation
Nechak, L., Berger, S., and Aubry, E. (June 1, 2012). "Prediction of Random Self Friction-Induced Vibrations in Uncertain Dry Friction Systems Using a Multi-Element Generalized Polynomial Chaos Approach." ASME. J. Vib. Acoust. August 2012; 134(4): 041015. https://doi.org/10.1115/1.4006413
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