Imperial College London
Portrait Picture

Professor Rob Hewson

Faculty of Engineering, Department of Aeronautics

Professor of Multidisciplinary Design Optimisation
 
 
 
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Contact

 

r.hewson Website

 
 
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Location

 

341City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{de:2020:10.1080/17515831.2020.1720381,
author = {de, Boer GN and Raske, N and Soltanahmadi, S and Bryant, MG and Hewson, RW},
doi = {10.1080/17515831.2020.1720381},
journal = {Tribology: Materials, Surfaces and Interfaces},
pages = {151--165},
title = {Compliant-poroelastic lubrication in cartilage-on-cartilage line contacts},
url = {http://dx.doi.org/10.1080/17515831.2020.1720381},
volume = {14},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - The mechanisms of friction in natural joints are still relatively unknown and attempts at modelling cartilage-cartilage interfaces are rare despite the huge promise they offer in understanding bio-friction. This article derives a model combining finite strain, porous and thin-film flow theories to describe the lubrication of cartilage-on-cartilage line contacts. The material is modelled as compliant and poroelastic in which the micro-scale fibrous structure is interstitially filled with synovial fluid. This fluid flows over the interface between the bodies and is coupled to pressure generated by relative motion in the thin-film region formed under load. A Stribeck analysis demonstrated that this type of contact is determinable to conventional elastic lubrication but that the friction performance is improved by this interfacial flow. Moreover, the inclusion of periodic flow conditions when contact is onset is a specific novelty which elucidates new observations in the lubrication mechanisms pertaining to natural joints.
AU  - de,Boer GN
AU  - Raske,N
AU  - Soltanahmadi,S
AU  - Bryant,MG
AU  - Hewson,RW
DO  - 10.1080/17515831.2020.1720381
EP  - 165
PY  - 2020///
SN  - 1751-5831
SP  - 151
TI  - Compliant-poroelastic lubrication in cartilage-on-cartilage line contacts
T2  - Tribology: Materials, Surfaces and Interfaces
UR  - http://dx.doi.org/10.1080/17515831.2020.1720381
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000512768000001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://www.tandfonline.com/doi/full/10.1080/17515831.2020.1720381
UR  - http://hdl.handle.net/10044/1/89088
VL  - 14
ER  -
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