Fwd: QUANTITATIVE LIFE SCIENCES GUEST SEMINAR - Tuesday, 7 May @ 14h30

[Quantitative Life Sciences]

QUANTITATIVE LIFE SCIENCES GUEST SEMINAR

Tuesday, 7 May 2019 at 14:30,
ICTP, Central Area, 2nd floor, old SISSA building, via Beirut 2

Speaker: Alessandro Corbetta - Turbulence and Vortex dynamics group,
Applied Physics at Eindhoven University of Technology, Eindhoven, The
Netherlands

Title:  Active flow of low-density pedestrian crowds

Abstract:
The dynamics of pedestrian crowds share deep connections with the
statistical physics of active matter.
Pedestrians move following own will and objectives: this amounts in huge
variability in the motion, observable even in diluted conditions.
Despite such individual unpredictability, ensemble-level universal
physical features emerge and encompass common and rare fluctuations of
both the solo and the interacting dynamics. Reaching a quantitative
understanding of these features is a major scientific challenge with
deep societal impact, e.g. in the design of civil infrastructures or of
crowd management measures.

We investigate from observational experiments held in real-life settings
(stations, festivals, museums) and in diluted conditions statistical
features of pedestrian motion. We leverage on datasets including
millions of trajectories acquired with and without external influencing
stimuli (i.e., crowd control measures, like signage or visual cues), via
home-made high-fidelity tracking systems. On this basis, we quantify the
PDFs of individual velocity, position, body rotation and
mutual-contact-avoidance "social" forces - possibly in dependence on
stimuli. We propose an active-Brownian particle model of the dynamics
based on Langevin-like equations statistically quantitative.

This work is in collaboration with: J. Meeusen, C. Lee, A. Muntean, R.
Benzi, F. Toschi

   Indico web page: http://indico.ictp.it/event/8942/

Everyone interested is most welcome to attend!

-- 
Erica Sarnataro
Group Secretary
Quantitative Life Sciences
The Abdus Salam International Centre for Theoretical Physics (ICTP)
Trieste,  Italy
Tel. +39-040-2240623
www.ictp.it/research/qls.aspx
e-mail: qls at ictp.it