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Stampa

SEMINARI DI ANALISI MATEMATICA

Evento 

Titolo:
A Kinetic Model of Crowd Evacuation from Bounded Domains
Quando:
14.05.2014 13.30 h
Dove:
Palazzo Campana - Torino
Aula:
Aula C
Relatore:
Dott.ssa Francesca Colasuonno
Afferenza:
Dipartimento di Matematica, Politecnico di Torino
Proponente:
V. Barutello, S. Terracini
Locandina:
Locandina

Descrizione

We propose a kinetic model for the evacuation of crowds from bounded domains, 
such as a room with one or more exit doors.
We use a hybrid representation of the crowd, with continuous-discrete features:
position is assumed to be a continuous variable, while velocity direction is a discrete variable. The modeling approach considers the dynamics caused by interactions of walking people at the
micro-scale with all the other pedestrians and with the geometry of the domain
(i.e. position of walls and of exit doors). Interactions are non-local and trigger a
decision process which modifies the velocity direction of people in a stochastic manner,
whereas for simplicity the velocity modulus is assumed to depend deterministically on the local density. Numerical simulations are developed to study evacuation time depending on the size of the exit zone,
on the initial distribution of the crowd and on a parameter which weighs the unconscious
attraction of the stream and the search for less crowded walking directions.

Sede

Mappa
Sede:
Palazzo Campana   -   Sito web
Via:
Via Carlo Alberto, 10
Cap:
10123
Città:
Torino
Provincia:
To
Paese:
Paese: it

Descrizione

Dipartimento di Matematica, Università degli Studi di Torino

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