Abstract:The dynamic behavior of droplet formation on micropillar surface during a dewetting process is investigated in this paper via a numerical approach. The simulation results suggest that the formation of droplet is governed by the recoiling of captive wet region on the top surface of micropillar after two bridge-shaped meniscus detachments from neighboring droplets. The numerical simulations also show that the cross-sectional shape and its orientation of micropillar play an important role in determining the flow … Show more
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