Abstract
AbstractWe assess the predictive capabilities of a multiphase Smoothed‐Particle Hydrodynamics (SPH) model to simulate two‐phase flow processes that are decisively governed by the dynamics of hydrodynamically moving contact lines. The spreading of a liquid droplet on a completely wettable, smooth and flat substrate serves as prototype validation problem. Our simulation results reproduce the main features of hydrodynamic spreading in the quasi‐static limit, i. e. when the balance of viscous and capillary forces near the contact line governs the dynamics. The exponential spreading rate is consistent with Tanner's law. (© 2016 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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