Branching During Dewetting and Wetting
Part of the
Centre de Physique des Houches
book series (LHWINTER, volume 14)
Wetting and spreading of a liquid film is an important problem in technical science (properties of lubricants, paints and so forth). At the same time it raises a fundamental problem of nonequilibrium statistical and hydrodynamical nature. Extensive studies have been devoted to various properties of wetting , dewetting and dynamics of spreading. Langevin (stochastic) equations, as well as Monte-Carlo simulations  and hydrodynamical  models have been used to study spreading of a droplet on a substrate. It has been shown that the film front advances in such a way that the radius grows with time like1 √t. Moreover it has been admitted since a long time (and often supported by several observations) that the film contour remains rather circular (except in the presence of pinning centres).
KeywordsContact Angle Crystal Growth Common Tangent Complete Wetting Lubrication Approximation
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