Contact mechanics challenge
Computational Tribology

Contact mechanics challenge results

09.10.2017 tribonet 716 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 329 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 […]

modeling simulation front FEM
Computational Tribology

Say “modeling” not “simulation”

24.07.2017 tribonet 1,062 Views

Richard M. Stallman, founder and president of the Free Software Foundation and founding father of the GNU Project, has a long been repeating “say GNU, not Linux” although he has not had much success. In the same sense, from this corner […]

wear particle
Computational Tribology

Adhesive wear model: particle by particle

23.07.2017 tribonet 1,415 Views

10.07.17 – An EPFL study has deepened our understanding of the fine particles produced by adhesive wear. This breakthrough could lead to cost savings and environmental benefits. Adhesive wear occurs when two surfaces – such […]

simulations_elmer
Computational Tribology

Elmer: An Open Source Finite Elements Software

29.06.2017 F. Xavier Borras 1,722 Views

There are nowadays some Open Source Finite Elements packages available online, just to cite some: Calculix, Salome-Meca (with Code Aster), Z88 Aurora, Elmer, etc. The gap between the paid software (Ansys, Comsol, Abaqus, LS-DYNA,…) and the open source packages is still big, […]

Tribofilm Growth - AFM Data
Computational Tribology

Stress Assisted Tribofilm Growth: A New Model

18.04.2017 tribonet 245 Views

Under extreme conditions the lubricant film fails to separate the rubbing surfaces and solid-to-solid contact occurs. To prevent excessive wear of the base materials anti-wear additives are used in these cases. The additives create a […]