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SUMMARY:Congestion phenomena in fluid dynamics - Anne-Laure Dalibard (Sorb
 onne Université)
DTSTART:20220217T111500Z
DTEND:20220217T121500Z
UID:TALK167393@talks.cam.ac.uk
DESCRIPTION:This talk will be devoted to the mathematical analysis of flui
 d systems in which the total density cannot take values above a certain th
 reshold.\nThis type of system arises for instance in the description of cr
 owd motion\, or of diphasic flows with saturated regions.\nWe will describ
 e two ways of modeling the congestion: either the dynamics is compressible
 \, with a pressure depending on the density and becoming singular when the
  density nears the threshold\, or the dynamics couples compressible zones 
 (where the density is far from the threshold) and incompressible zones (wh
 ere the maximal density constraint is reached).\nWe will focus on the ques
 tion of the stability of travelling waves for two such models.\nThis is a 
 joint work with Charlotte Perrin.
LOCATION:Seminar Room 1\, Newton Institute
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