Method of Dimensionality Reduction in Contact Mechanics and Friction

By: Valentin L. Popov, Markus Heß

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Hardcover | 2 September 2014

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Hardcover
284 Pages

Dimensions(cm)
23.39 x 15.6 x 1.75

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This book describes for the first time a simulation method for the fast calculation of contact properties and friction between rough surfaces in a complete form. In contrast to existing simulation methods, the method of dimensionality reduction (MDR) is based on the exact mapping of various types of three-dimensional contact problems onto contacts of one-dimensional foundations. Within the confines of MDR, not only are three dimensional systems reduced to one-dimensional, but also the resulting degrees of freedom are independent from another. Therefore, MDR results in an enormous reduction of the development time for the numerical implementation of contact problems as well as the direct computation time and can ultimately assume a similar role in tribology as FEM has in structure mechanics or CFD methods, in hydrodynamics. Furthermore, it substantially simplifies analytical calculation and presents a sort of "pocket book edition" of the entirety contact mechanics. Measurements of the rheology of bodies in contact as well as their surface topography and adhesive properties are the inputs of the calculations. In particular, it is possible to capture the entire dynamics of a system - beginning with the macroscopic, dynamic contact calculation all the way down to the influence of roughness - in a single numerical simulation model. Accordingly, MDR allows for the unification of the methods of solving contact problems on different scales. The goals of this book are on the one hand, to prove the applicability and reliability of the method and on the other hand, to explain its extremely simple application to those interested.

Industry Reviews

"The present book explains MDR in contact mechanics and friction with quality and innovation in 16 chapters and four appendices. This book can be used in final undergraduate engineering courses (for example, mechanical, materials, and physics) or as a subject on contact mechanics and friction at the postgraduate level. Also, this book can serve as a useful reference for academics, researchers, mechanical, materials and physics engineers, as well as, professionals in related industries with contact mechanics and friction." (International Journal of Surface Science and Engineering, Vol. 10 (6), 2016)

"This book describes an interesting method of dimensionality reduction in frictional contact problems. ... The methods explained in the book are simple, elegant and can be efficiently employed in numerical simulation. The book can be used as a textbook at the graduate level and as an introduction into new methods in contact mechanics for practicing engineers." (Prabhat Kumar Mahanti, zbMATH 1314.74004, 2015)

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