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Sliding motion has always been one of the major concerns when it comes to the analysis of viscoelastic contact problems. A new model simulating the transient sliding contact of smooth viscoelastic surfaces is developed in this paper. By taking the dry contact friction and the coupling between shear tractions and normal pressure into account, the effect of the early partial slip period, which is often neglected in the study of viscoelastic sliding contact problems, is investigated numerically. Compared with solutions based on the frictionless assumption, the steady-state pressure profile is found to be slightly different under the effect of the partial slip regime, including a lower peak pressure and the shift of the contacting region in the direction opposite to the sliding motion. Furthermore, the time required for the viscoelastic contact to reach its steady state is delayed owing to the partial slip period preceding the global sliding motion.


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A numerical model to simulate the transient frictional viscoelastic sliding contact

Show Author's information Dongze WANG( )Gregory de BOERAnne NEVILLEAli GHANBARZADEH
School of Mechanical Engineering, University of Leeds, Leeds LS2 9JT, UK

Abstract

Sliding motion has always been one of the major concerns when it comes to the analysis of viscoelastic contact problems. A new model simulating the transient sliding contact of smooth viscoelastic surfaces is developed in this paper. By taking the dry contact friction and the coupling between shear tractions and normal pressure into account, the effect of the early partial slip period, which is often neglected in the study of viscoelastic sliding contact problems, is investigated numerically. Compared with solutions based on the frictionless assumption, the steady-state pressure profile is found to be slightly different under the effect of the partial slip regime, including a lower peak pressure and the shift of the contacting region in the direction opposite to the sliding motion. Furthermore, the time required for the viscoelastic contact to reach its steady state is delayed owing to the partial slip period preceding the global sliding motion.

Keywords: contact mechanics, viscoelasticity, frictional sliding, viscoelastic friction

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Publication history
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Publication history

Received: 07 February 2023
Revised: 01 May 2023
Accepted: 22 May 2023
Published: 29 November 2023
Issue date: February 2024

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© The author(s) 2023.

Acknowledgements

The authors are thankful to the School of Mechanical Engineering at the University of Leeds for supporting this study by funding the Ph.D. studentship of Dongze WANG. This work is supported by the Engineering and Physical Sciences Research Council (Grant No. EP/T024542/1) as part of 'STOP fibrous microplastic pollution from textiles by elucidating fibre damage and manufacturing novel textiles’ standard research.

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