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How to Use Maths to Model a Crowd ZdS#25

Series : Zeste de science

  • Description
  00:05:06  2019  HD 16/9  Color  Sound

The Youtube channel Zeste de science explores all aspects of scientific research, proving that even the most complicated scientific facts can be explained in less than 5 minutes, and that even the most seemingly trivial events of everyday life, if thoroughly studied, can contribute to the biggest technological advances.
Episode 25: Can we predict the behaviour of a crowd evacuating a room? To understand this phenomenon, scientists have created mathematical models for crowd motion. Crowd motion can be represented by a granular flow: each grain represents an individual, with its own movements and behaviour (similar to physical and psychological human behaviour). Crowd motion can also be represented by a liquid. Thanks to these models, scientists can reproduce various phenomena of crowd dynamics and better understand the mechanisms involved.

Producer : CNRS Images
Author : BELLO Léa (DIRCOM, CNRS, Paris )
Chief editor : BAKER Nicolas (CNRS Images, UPS CNRS, Meudon)
Director : GOMBERT Christophe (CNRS Images, UPS CNRS, Meudon)
Audiovisual processReal shots. Use of texts, photographs, animation and modeling.
Interviews (live sound). Music and sounds effects.
NotesSource and scientific validation:
Bertrand Maury (LMO, UMR CNRS, Univ. Paris-Sud, INRIA)

Modeling created by Fatima Al Reda, Sylvain Faure, Aline Lefebvre, Aude, Roudneff-Chupin, Filippo Santambrogio and Juliette Venel.

LMO: Laboratoire de mathématique d'Orsay (INSMI)
INRIA: Institut national de recherche en informatique et en automatique


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Technical Sheet
Item No.6719
PublicLarge audience
Original SupportHD