On the nature of surface roughness with application to contact mechanics, sealing, rubber friction and adhesion

Persson, B. N. J.; Albohr, O.; Tartaglino, U.; Volokitin, A. I.; Tosatti, Erio

doi:10.1088/0953-8984/17/1/r01

Cited by 897 publications

(928 citation statements)

References 83 publications

Supporting

Mentioning

903

Contrasting

Unclassified

Order By: Relevance

“…Recent interest in bio-inspired adhesives has motivated many researchers to fabricate microfibril arrays (Liu & Bhushan 2003;Peressadko & Gorb 2004;Chung & Chaudhury 2005;Crosby et al 2005;Glassmaker et al 2005Glassmaker et al , 2007Huber et al 2005;Northen & Turner 2005;Yurdumakan et al 2005;Kim & Sitti 2006;Majidi et al 2006;Aksak et al 2007;Gorb et al 2007;Greiner et al 2007; and to study their contact mechanics and adhesion (Jagota & Bennison 2002;Gao et al 2003Gao et al , 2005Persson & Gorb 2003;Hui et al 2004;Persson et al 2005;Spolenak et al 2005a,b;Tang et al 2005;Bhushan et al 2006;Tian et al 2006;Yao & Gao 2006;Chen & Gao 2007). Most of these studies focus on how the interface between the microfibrils and a smooth, hard substrate separates under a normal load.…”

Section: Introductionmentioning

confidence: 99%

Compliance of a microfibril subjected to shear and normal loads

Liu

Hui

Shen

et al. 2008

J. R. Soc. Interface.

View full text Add to dashboard Cite

Many synthetic bio-inspired adhesives consist of an array of microfibrils attached to an elastic backing layer, resulting in a tough and compliant structure. The surface region is usually subjected to large and nonlinear deformations during contact with an indenter, leading to a strongly nonlinear response. In order to understand the compliance of the fibrillar regions, we examine the nonlinear deformation of a single fibril subjected to a combination of shear and normal loads. An exact closed-form solution is obtained using elliptic functions. The prediction of our model compares well with the results of an indentation experiment.

show abstract

Section: Introductionmentioning

confidence: 99%

Compliance of a microfibril subjected to shear and normal loads

Liu

Hui

Shen

et al. 2008

J. R. Soc. Interface.

View full text Add to dashboard Cite

show abstract

“…This can put to the test any direct multiscale method [83]. For instance, when rough surfaces carved from two cubic-like copper crystals at zero Kelvin with self-affine fractal [84] generated with a Voss [85,86] algorithm (as presented in Fig. 14.2) are pressed against each other and sled, a temperature rise is to be expected.…”

Section: Sliding Friction and Heat Generationmentioning

confidence: 99%

MD/FE Multiscale Modeling of Contact

Ramisetti

Anciaux

Molinari

2014

Fundamentals of Friction and Wear on the Nanoscale

View full text Add to dashboard Cite

Limitations of single scale approaches to study the complex physics involved in friction have motivated the development of multiscale models. We review the state-of-the-art multiscale models that have been developed up to date. These have been successfully applied to a variety of physical problems, but that were limited, in most cases, to zero Kelvin studies. We illustrate some of the technical challenges involved with simulating a frictional sliding problem, which by nature generates a large amount of heat. These challenges can be overcome by a proper usage of spatial filters, which we combine to a direct finite-temperature multiscale approach coupling molecular dynamics with finite elements. The basic building block relies on the proper definition of a scale transfer operator using the least square minimization and spatial filtering. Then, the restitution force from the generalized Langevin equation is modified to perform a two-way thermal coupling between the two models. Numerical examples are shown to illustrate the proposed coupling formulation.

show abstract

“…This generalisation was to be the basis of many other models proposed to describe contact surfaces by more or less complex functions developed by the combination of trigonometric functions [21], by the use of fractal model [22] or by numerical models involving finite element (FE) approaches [23,24,25,26,27,28]. …”

Section: First Contact Modelsmentioning

confidence: 99%

Numerical tribology of a dry contact

Renouf

Massi

Fillot

et al. 2011

Tribology International

104

View full text Add to dashboard Cite

Tribologists are confronted on a daily basis by the need to understand the causes and consequences of friction on the behaviour of bodies in contact. Understanding contact behaviour is not only a scientific curiosity but the key to solving numerous industrial issues. Numerical tools have been developed to overcome the problems encountered in experiments due to limitations in the local dynamic analysis of multi-scale systems (mechanisms, bodies in contact, interfaces). More than an exhibition of numerical results, the present paper proposes reviewing the literature on the numerical tribology of dry contacts by analysing the different scales involved. © 2011 Elsevier Ltd. All rights reserved

show abstract

On the nature of surface roughness with application to contact mechanics, sealing, rubber friction and adhesion

Cited by 897 publications

References 83 publications

Compliance of a microfibril subjected to shear and normal loads

Compliance of a microfibril subjected to shear and normal loads

MD/FE Multiscale Modeling of Contact

Numerical tribology of a dry contact

Contact Info

Product

Resources

About