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CATEGORIES:Applied and Computational Analysis
SUMMARY:Fluid-boundary interaction: confinement effects\,
stratification and transport - Roberto Camassa -
The University of North Carolina
DTSTART;TZID=Europe/London:20221110T150000
DTEND;TZID=Europe/London:20221110T160000
UID:TALK185279AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/185279
DESCRIPTION:Arguably some of the most interesting phenomena in
fluid dynamics\, both from a mathematical and a p
hysical perspective\, stem from the interplay betw
een a fluid and its boundaries. This talk will pre
sent some examples of how boundary effects lead to
remarkable outcomes. Singularities can form in f
inite time as a consequence of the continuum assum
ption when material surfaces are in smooth contact
with horizontal boundaries of a fluid under gravi
ty. For fluids with chemical solutes\, the presenc
e of boundaries impermeable to diffusion adds furt
her dynamics which can give rise to self-induced f
lows and the formation of coherent structures out
of scattered assemblies of immersed bodies. These
effects can be analytically and numerically predic
ted by simple mathematical models and observed in
“simple” experimental setups. \n
LOCATION:Centre for Mathematical Sciences\, MR14
CONTACT:Edriss S. Titi
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