An engineering approach to deterministic modeling of mixed-film contacts

Xuejun Zhai, L. Chang

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


This paper presents the base model of an engineering approach to deterministic modeling of mixed-film contacts. Various modeling techniques are employed to achieve a proper balance among model robustness, solution accuracy and computational efficiency. The EHL variables of the contact are approximated to enhance the model robustness while asperity contact pressures are numerically calculated to provide deterministic results at the asperity level. Each asperity junction is modeled as a Hertzian contact, resulting in a small number of deterministic variables to allow efficient numerical analyses of transient contact/lubrication problems. The base model presented in this paper provides a platform on which more complete models can be developed to study transient asperity pressures, temperatures and lubricant additive effects. It may also be further developed into a computer-aided engineering design-analysis tool of machine components with lubricated concentrated contacts.

Original languageEnglish (US)
Pages (from-to)327-334
Number of pages8
JournalTribology Transactions
Issue number3
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films


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