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Three-dimensional thin film and droplet flows over and past surface features with complex physics

Authors
Journal
Computers & Fluids
0045-7930
Publisher
Elsevier
Publication Date
Volume
46
Issue
1
Identifiers
DOI: 10.1016/j.compfluid.2010.08.008
Keywords
  • Thin Film Flow
  • Droplets
  • Mixing
  • Flexible Surface
  • Multigrid
  • Topography
Disciplines
  • Computer Science

Abstract

Abstract This paper describes, in the main, the benefits of using a general Newton globally convergent solver within an adaptive multigrid framework for solving discretised forms of lubrication models of three-dimensional, free-surface flow over and/or past substrate topography, involving complex physics. The two illustrative gravity-driven problems considered address solute mixing in a continuous thin film flow and droplet migration down an inclined substrate. The computational price paid for the flexibility offered by the solver is investigated alongside the overall benefits of adaptive local mesh refinement and multigridding.

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