glaciers flow
Computational Tribology

Modeling Ice Friction

13.05.2019 tribonet 240 Views

Glaciers and Ice Friction Glaciers are comprised of snow accumulated over many years and compressed into large ice masses. Formed when snow remains in a location long enough to form ice, glaciers are unique in […]

evolution of an adhesive wear particle
Computational Tribology

Analyzing the evolution of adhesive wear

06.05.2019 tribonet 632 Views

Adhesive Wear Analyzed The effects of surface wear reaches across many industries including production, manufacturing, engineering, transportation, roads, and machinery, to name only a few. Given its wide reaching tentacles, it can be surprising to […]

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 […]

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 […]

Deformed Surface
Computational Tribology

Contact Pressure For Rough Surfaces: A Tutorial

08.11.2017 tribonet 2,741 Views

In this article, a calculation of contact pressure in a rough contact is discussed. The calculation is done using a Tribology Simulator software, which is available for download here (its free to use). The simulator […]

Contact mechanics challenge
Computational Tribology

Contact mechanics challenge results

09.10.2017 tribonet 1,232 Views

The Contact-Mechanics Challenge completed In late 2015 we posed the Contact-Mechanics Challenge. This has now been completed and the winner is—the field of tribology. BECAUSE TRIBOLOGY IS THE STUDY OF contacting bodies in relative motion, […]

Tribofilm Growth
Advanced Materials

Zeroing in on ZDDP tribofilm growth

31.07.2017 tribonet 465 Views

Models for the stress-activated growth of tribofilms from ZDDP were modified to include wear. TWO RECENT CUTTING EDGE ARTICLES reported on work that showed the growth rates of tribofilms from ZDDP were accelerated by contact […]