Study of nonlinear dynamics and stability of isothermal film casting using a two-dimensional process model

Joo Sung Lee, Ju Min Kim, Hyun Wook Jung, Jae Chun Hyun

Research output: Contribution to conferencePaperpeer-review

2 Citations (Scopus)

Abstract

A two-dimensional process model has been developed extending the previous one-dimensional one to study the nonlinear dynamics and stability of isothermal film casting process. The 2-D steady as well as transient numerical simulations were thus obtained employing a finite element method (FEM) along with a suitable viscoelastic constitutive equation. They have successfully revealed various nonlinear instability phenomena occurring in film casting such as beads on the film edges and the periodic instability called draw resonance exhibiting the simultaneous fluctuations of the film width and film thickness. These simulation results yield good quantitative agreement with experimental observations.

Original languageEnglish
Pages3317-3321
Number of pages5
Publication statusPublished - 2004
EventANTEC 2004 - Annual Technical Conference Proceedings - Chicago, IL., United States
Duration: 2004 May 162004 May 20

Other

OtherANTEC 2004 - Annual Technical Conference Proceedings
CountryUnited States
CityChicago, IL.
Period04/5/1604/5/20

Keywords

  • Draw resonance
  • Edge bead
  • Film casting
  • Neck-in
  • Stability analysis

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics

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