Modelling coupled normal and tangential tractions in adhesive contacts

M. Khajeh Salehani, N. Irani, Martin H. Müser, L. Nicola

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)


This paper presents a nanoscale-inspired continuum model to capture the coupling of adhesion and friction in contact-mechanics problems. The method relies on Green's function molecular dynamics to calculate the elastic body fields and on a phenomenological mixed-mode coupled cohesive-zone model to describe the interplay between normal and tangential tractions, i.e. adhesion and friction. While the presented formulation is applicable to linearly elastic solids with generic surface roughness, the focus of our analysis is on the indentation of an array of circular rigid punches into a flat, deformable solid. Our results show that the coupling between adhesion and friction leads to an increase in the contact size and a decrease in the pull-off load.

Original languageEnglish
Pages (from-to)93-101
JournalTribology International
Publication statusPublished - 2018


  • Adhesion and friction
  • Contact area
  • Pull-off load
  • Tribology

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