The effect of perception anisotropy on particle systems describing pedestrian flows in corridors

L. Gulikers, J.H.M. Evers, A. Muntean, A. Lyulin

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Abstract

We consider a microscopic model (a system of self-propelled particles) to study the behaviour of a large group of pedestrians walking in a corridor. Our point of interest is the effect of anisotropic interactions on the global behaviour of the crowd. The anisotropy we have in mind reflects the fact that people do not perceive (i.e. see, hear, feel or smell) their environment equally well in all directions. The dynamics of the individuals in our model follow from a system of Newton-like equations in the overdamped limit. The instantaneous velocity is modelled in such a way that it accounts for the angle under which an individual perceives another individual. We investigate the effects of this perception anisotropy by means of extensive simulations, very much in the spirit of molecular dynamics. We define a number of characteristic quantifiers (including the polarization index and Morisita index) that serve as measures for e.g. organization and clustering, and we use these to investigate the influence of anisotropy on the global behaviour of the crowd.
Original languageEnglish
Place of PublicationEindhoven
PublisherTechnische Universiteit Eindhoven
Number of pages10
Publication statusPublished - 2012

Publication series

NameCASA-report
Volume1236
ISSN (Print)0926-4507

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    Gulikers, L., Evers, J. H. M., Muntean, A., & Lyulin, A. (2012). The effect of perception anisotropy on particle systems describing pedestrian flows in corridors. (CASA-report; Vol. 1236). Technische Universiteit Eindhoven.