Global models for moving contact lines

Document Type

Article

Publication Date

1-1-2001

Abstract

We consider thin film flows driven by surface tension and gravity. Within the framework of the lubrication approximation, we study the contact line motion using global models where either precursor film or slip are allowed. We show that completely wetting films can be simulated under both conditions without requiring direct tracking of the contact line interface. We perform a comparative study of standard and positivity preserving numerical methods for these problems in one space dimension, with the ultimate goal of choosing the best method applicable to two-dimensional problems. We find a considerable computational advantage of the precursor film model over the slipping models. © 2000 The American Physical Society.

Identifier

18644386665 (Scopus)

Publication Title

Physical Review E Statistical Physics Plasmas Fluids and Related Interdisciplinary Topics

External Full Text Location

https://doi.org/10.1103/PhysRevE.63.011208

ISSN

1063651X

Issue

1

Volume

63

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