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Simulation of surface topography with the method of movable cellular automata
Authors:A.I. Dmitriev   V.L. Popov  S.G. Psakhie
Affiliation:aInstitute of Strength Physics and Materials Science, SB RAS, Pr. Akademcheskii 2/1, 634021 Tomsk, Russian Federation;bInstitute for Mechanics, Technische Universität Berlin, Strasse des 17, Juni 135, Sekr. C8-4, 10623 Berlin, Germany
Abstract:Development of surface topography of two solids in a frictional contact is studied with the method of movable cellular automata. After the running-in process, the bodies are separated and the surface power spectra of both bodies are determined. The power spectra show a dependence on the wave vector, which is typical for fractal surfaces. It is shown, that roughness parameters of friction surface depend on relative velocity of sliding and external pressure.
Keywords:Friction   Wear   Quasi-fluid layer   Surface topography   Fractal surfaces
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