A molecular dynamics study of lubrication rheology of polymer fluids

Yeau Ren Jeng, Chia Chen Chen, Shiuh Hwa Shyu

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


This study investigated the characteristics of lubrication rheology for polymer fluids using the molecular dynamics method. The confining potential and FENE potential were used to describe the bonding force in a polymer chain. Both Poiseuille and Couette flows were simulated and the results are presented for the density distribution, velocity profiles, slip ratio, viscosity, and relation between shear stress and shear rate. The effects of the number of molecular layers and film thickness on the rheology characteristics were also investigated.

Original languageEnglish
Pages (from-to)293-299
Number of pages7
JournalTribology Letters
Issue number3
Publication statusPublished - 2003 Oct

All Science Journal Classification (ASJC) codes

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

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