High pressures in room evacuation processes and a first approach to the dynamics around unconscious pedestrians

F.E. Cornes, G.A. Frank and C.O. Dorso

Physica A: Statistical Mechanics and its Applications, 2017, vol. 484, issue C, 282-298

Abstract: Clogging raises as the principal phenomenon during many evacuation processes of pedestrians in an emergency situation. As people push to escape from danger, compression forces may increase to harming levels. Many individuals might fall down, while others will try to dodge the fallen people, or, simply pass through them. We studied the dynamics of the crowd for these situations, in the context of the “social force model”. We modeled the unconscious (fallen) pedestrians as inanimate bodies that can be dodged (or not) by the surrounding individuals. We found that new morphological structures appear along the evacuating crowd. Under specific conditions, these structures may enhance the evacuation performance. The pedestrian’s willings for either dodging or passing through the unconscious individuals play a relevant role in the overall evacuation performance.

Keywords: Emergency evacuation; Social force model; Unconscious pedestrians (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:484:y:2017:i:c:p:282-298

DOI: 10.1016/j.physa.2017.05.013

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