Free-surface thin-film flows over uniformly heated topography

S. Saprykin, Philip Trevelyan, R.J. Koopmans, S. Kalliadasis

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The long-wave (lubrication) approximation governing the evolution of a thin film over a uniformly heated topographical substrate is solved numerically. We study the initial-value problem for a variety of governing dimensionless parameters and topographical substrates. We demonstrate that the dynamics is characterized by a slow relaxation process with continuous coarsening of drops up to a large time where coarsening is terminated and the interface organizes into a series of drops each of which is located in a trough in topography.
Original languageEnglish
Article number026306
Number of pages16
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number2
Early online date8 Feb 2007
Publication statusPublished - Feb 2007

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Copyright ©2007 American Physical Society


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