Abstract
In this paper, by the use of elastic multibody dynamics and a master–slave contact approach with penalty formulation, computationally efficient time integrations of a brake system are performed for constant and time-dependent input parameters. As a result, the amplitudes of the friction-induced vibrations and the contact forces at the disc–pad interfaces are predicted. Besides, system outputs are viewed in phase diagrams, and the creation of a stable limit cycle for a low friction coefficient is identified. In this way, conclusions on the stability of the system are drawn, and statements based on frequency-domain analyses are complemented. Finally, a distinct need for a new criterion that quantifies the squeal propensity of such systems in the time domain is identified.
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Acknowledgements
The authors would like to thank the organizers of the ECCOMAS Thematic Conference on Multibody Dynamics 2015 in Barcelona for the kind invitation to submit a reviewed and extended version of the proceedings contribution to this thematic issue.
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Iroz, I., Hanss, M. & Eberhard, P. Transient simulation of friction-induced vibrations using an elastic multibody approach. Multibody Syst Dyn 39, 37–49 (2017). https://doi.org/10.1007/s11044-016-9521-z
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DOI: https://doi.org/10.1007/s11044-016-9521-z