BIRS Workshop Lecture Videos

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BIRS Workshop Lecture Videos

A conservative and well-balanced surface tension model Popinet, Stephane


I will present a new numerical scheme to model surface tension for an interface represented by a level-set function. In contrast with previous schemes, the method conserves fluid momentum and recovers Laplaceâ s equilibrium exactly. It is formally consistent and does not require the introduction of an arbitrary interface thickness, as is classically done when approximating surface-to-volume operators using Dirac functions. Variable surface tension is naturally taken into account by the scheme and accurate solutions are obtained for thermocapillary Marangoni flows.

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