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SUMMARY:Macroscopic models of traffic flow
DTSTART:20140404T121500
DTEND:20140404T131500
DTSTAMP:20260413T224059Z
UID:3d879f1d2e4fefbb279b48ea5bdee286229951347b3c88081971f3a5
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Paola Goatin\, INRIA\, Sophia Antipolis\, France\nMacrosco
 pic traffic flow models derived from fluid dynamics are very popular nowad
 ays both for vehicular and pedestrian flows.\nThey offer a sound mathemati
 cal basis relying on well posedness results for hyperbolic non-linear cons
 ervation laws\,\nas well as fast and efficient numerical tools consisting 
 of finite volume schemes.\nI will present some recent results concerning m
 odels with phase transitions\, flux constraints and non-local velocities\,
  that can be used to describe some particular characteristics of traffic f
 low. In particular\, I will show how phase transitions models allow for a 
 better matching with experimental data\, and are able to describe forward 
 moving discontinuities in the congested phase. Conservation laws with flux
  constraints have been introduced to efficiently model toll-gates\, constr
 uctions sites and also moving bottlenecks created by slow-moving large veh
 icles. Finally\, models consisting of conservation laws with non-local flu
 x have recently being introduced to capture the reaction of drivers to the
  downstream traffic.This approach could address the bounded acceleration i
 ssue of classical macroscopic models (which account for unrealistic infini
 te acceleration across shock discontinuities).\nBio: Paola Goatin holds a 
 PhD in Functional Analysis from the International School for Advanced Stud
 ies in Trieste (Italy)\,\nand a Habilitation (HDR) in Mathematics from Tou
 lon University (France).\nShe has been assistant professor at Toulon Unive
 rsity\, before joining INRIA as a research scientist in 2010.\nHer researc
 h activity focuses mainly on the analysis and numerical approximation of s
 ystems of partial differential equations of hyperbolic type.\nTargeted app
 lications include traffic flow modeling and management.\nIn particular\, s
 he currently holds an ERC Starting Grant for the project "Traffic Manageme
 nt by Macroscopic Models - TRAM3".
LOCATION:GC C330 http://search.epfl.ch/psearch.action?q=GC%20C3%2030
STATUS:CONFIRMED
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