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SUMMARY:Some aspects of contact line dynamics with applications to flow in
  porous materials - Stephane Zaleski\, Institut Jean Le Rond ∂’Alember
 t\, Sorbonne Université
DTSTART:20240523T103000Z
DTEND:20240523T113000Z
UID:TALK215884@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Among the most difficult issues in CFD is the very wide range 
 of scales involved in some problems. Attempts at investigating the dynamic
 s contact line have been made coming from various theoretical and numerica
 l frameworks\, the closest to first principles being molecular dynamics\, 
 while diffuse interface methods and sharp interface methods with several v
 ariants have also been put forward. Experiments are obviously difficult. E
 fforts made on a number of typical cases\, including plunging and withdraw
 ing plates\, a sheared droplet\, sessile droplets on oscillating or accele
 rating substrates\, menisci in nanopores and the hydrodynamics assist prob
 lem. The issues involved in nucleate boiling and accelerated sessile dropl
 ets will be addressed both from the point of view of experiments (performe
 d by various colleagues from MIT and Tokyo University) and from the point 
 of view of simulations.\n\nI will also show recent developments in the Bas
 ilisk code allowing to simulate contact lines on complex curved boundaries
 \, using the immersed boundary method and an appropriate contact angle bou
 ndary condition\, and inside porous media.
LOCATION:Open Plan Area\, Institute for Energy and Environmental Flows\, M
 adingley Rise CB3 0EZ
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