Agitated behavior and elastic characteristics of pedestrians in an alternative floor field model for pedestrian dynamics

Dong-Fan Xie, Zi-You Gao, Xiao-Mei Zhao and David Zhi-Wei Wang

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 7, 2390-2400

Abstract: An alternative floor field (FF) model is proposed by incorporating the agitated behavior and elastic characteristics of pedestrians. The agitated behavior which is regarded as an important factor to pedestrian dynamics is depicted by introducing a parameter to revise the transition probability of pedestrians to move to the neighboring cells. To characterize elasticity of pedestrians, it is assumed that a cell can hold more than one pedestrians in crowd condition, while it can hold only one pedestrian in normal condition. In addition, a method to deal with conflicts is employed by considering the effects of agitated behavior and desired velocity. Numerical simulations are carried out to investigate pedestrian evacuation from a room. The results show, that as the value of agitated parameter increases, the evacuation time decreases to the minimum value and then increases gradually. Also, the faster-is-slower effect which is obtained by some other simulation models can be reproduced by the proposed model. Finally, the influence of exit width and the corresponding mechanism on evacuation process is investigated which is expected to be helpful to the exit design of public rooms.

Keywords: Floor field; Pedestrian flow; Agitated behavior; Elastic characteristics (search for similar items in EconPapers)
Date: 2012
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:7:p:2390-2400

DOI: 10.1016/j.physa.2011.11.053

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