Recent Progress in Contact Mechanics Methods for Solids with Surface Roughness Using Green’s Function Molecular Dynamics

Authors

I. Solovyev ¹ , V. Petrenko ¹ , Y. Murugesan ² , L. Dorogin ¹

¹ Saint Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO University), St. Petersburg, 197101, Russia

² Department of Industrial Engineering, University of Padova, I-35131, Italy

https://doi.org/10.17586/2687-0568-2022-4-1-1-8

Rev. Adv. Mater. Technol., 2022, vol. 4, no. 1, pp. 1–8

Abstract

In spite of importance of tribology of solids with surface roughness, there is no synthesized theory covering adhesion yet. One of the methods to describe adhesion in tribological systems is the Green's Function Molecular Dynamics (GFMD). This work aims at reviewing the most recent GFMD techniques and applications of GFMD in contact mechanics. There are different attributes of this method that are important for its realization: model to describe surface roughness, model to describe interfacial forces, constitutive model to describe the solid deformation and algorithm to minimize surface potential energy. We organize this review using the following set of parameters: degrees of freedom of the system modelled, substrate geometry, loading control, material properties, surface topography, interfacial interaction models.

Keywords

Contact mechanics; Surface roughness; Green’s function molecular dynamics; Adhesion; Friction

Foundings

Ministry of Science and Higher Education of the Russian Federation: agreement No. 075-15-2021-1349

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History

Receive Date: 11 February 2022

Accepted Date: 27 February 2022

Available online: 27 March 2022

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