Elongational viscosity of weakly entangled polymer melt via coarse-grained molecular dynamics simulation

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We investigated the elongational flows of the weakly entangled linear polymer melt using a coarse- grained molecular dynamics simulation. We extended the uniform extensional flow (UEF) method developed by Nicholson and Rutledge (D. A. Nicholson and G. C. Rutledge, J. Chem. Phys., 145 244903 (2016)) for application to Langevin dynamics. We succeeded in observing the elongational viscosity of the weakly entangled linear polymer melt from the equilibrium state to the steady state using the extended UEF method, whereas the conventional rectangular parallelepiped shape technique for extensional flows has failed to do so for over 20 years.

Original languageEnglish
Pages (from-to)207-220
Number of pages14
JournalNihon Reoroji Gakkaishi
Volume46
Issue number5
DOIs
Publication statusPublished - 2018 Jan 1

Keywords

  • Biaxial elongation
  • Kremer-grest model
  • Planar elongation
  • UEF
  • Uniaxial elongation

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Elongational viscosity of weakly entangled polymer melt via coarse-grained molecular dynamics simulation'. Together they form a unique fingerprint.

Cite this