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TZID:Europe/Vienna
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DTSTART:20170326T030000
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DTSTART:20161030T020000
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BEGIN:VEVENT
DTSTAMP:20260428T110248Z
UID:57f791caf143e624884581@ist.ac.at
DTSTART:20170302T160000
DTEND:20170302T180000
DESCRIPTION:Speaker: Patrick van Meurs\nhosted by Jan Maas\nAbstract: The s
 tarting point is a 2D model for the dynamics of n dislocations\, which are
  modelled as point particles with a positive or negative 'charge'. In the 
 celebrated engineering paper by Groma and Balogh in 1999\, the limit passa
 ge of these dislocation dynamics is performed in a statistical mechanics f
 ramework\, which relies on a phenomenological closure assumption. In my ta
 lk\, I present how to pass rigorously to the limit by using the theory of
  Wasserstein gradient ows and using advanced functional analysis on the we
 ak form of the evolution equation. Interestingly\, our conclusion for the 
 limiting dynamics of the dislocation density differs from the conclusion i
 n the paper by Groma and Balogh.\n
LOCATION:Seminar room Big Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:jdeanton@ist.ac.at
SUMMARY:Patrick van Meurs: Discrete-to-continuum limits of edge dislocation
 s in 2D
URL:https://talks-calendar.ista.ac.at/events/295
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