contact area evolution
Computational Tribology

Sticky or Not Sticky?

29.04.2019 tribonet 372 Views

Numerical analysis of adhesion of rough surfaces shows that there exist one unique parameter determining whether the surface is sticky or not. It is well known that neutral bodies attract each other by van der […]

modeling tribonet logo detachment
Computational Tribology

Knowing the strength of adhesion

26.02.2018 tribonet 455 Views

How can flies walk on the window glass upside down? How can geckos climb walls and trees? It looks like a simple question, but it is hard to answer. The secret is that flies and geckos, and many other living […]

Contact Mechanics Models Overview

12.02.2018 tribonet 1,605 Views

On behalf of Professor George Adams. This is an overview of contact mechanics models in case of two spheres. The overview starts with Hertz model and continues to adhesive models and Greenwood-Williamson. A very good good […]

Adhesion of Rough Solids
Computational Tribology

Some open problems in adhesion (of rough surfaces)

30.01.2018 tribonet 491 Views

By M.Ciavarella, A. Papangelo. Politecnico di BARI, Italy. Adhesion for ‘‘soft’’ bodies shows instabilities like in the simple case of a single sinusoid even in the so called JKR regime (Johnson 1995) which leads to […]