Effect of exit locations on ants escaping a two-exit room stressed with repellent

Shujie Wang, Shuchao Cao, Qiao Wang, Liping Lian and Weiguo Song

Physica A: Statistical Mechanics and its Applications, 2016, vol. 457, issue C, 239-254

Abstract: In order to investigate the effect of the distance between two exits on ant evacuation efficiency and the behavior of ants escaping from a two-exit room, we conducted ant egress experiments using Camponotus japonicus in multiple situations. We found that the ants demonstrated the phenomenon of “symmetry breaking” in this stress situation. It was also shown that different locations for the exits obviously affected the ants’ egress efficiency by measuring the time intervals between individual egress and flow rate in eight repeated experiments, each of which contained five different distance between the two exits. In addition, it is demonstrated that there are differences between the predictions of Social Force Model of pedestrians and the behaviors of ants in stress conditions through comparing some important behavioral features, including position, trajectory, velocity, and density map.

Keywords: Dynamic process; Evacuation; Stress conditions; Ant behavior; Symmetry breaking (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:457:y:2016:i:c:p:239-254

DOI: 10.1016/j.physa.2016.03.083

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