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Model considering panic emotion and personality traits for crowd evacuation |
Hua-Kai Sun(孙华锴) and Chang-Kun Chen(陈长坤)† |
Institute of Disaster Prevention Science and Safety Technology, Central South University, Changsha 410075, China |
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Abstract Panic is a common emotion when pedestrians are in danger during the actual evacuation, which can affect pedestrians a lot and may lead to fatalities as people are crushed or trampled. However, the systematic studies and quantitative analysis of evacuation panic, such as panic behaviors, panic evolution, and the stress responses of pedestrians with different personality traits to panic emotion are still rare. Here, combined with the theories of OCEAN (openness, conscientiousness, extroversion, agreeableness, neuroticism) model and SIS (susceptible, infected, susceptible) model, an extended cellular automata model is established by the floor field method in order to investigate the dynamics of panic emotion in the crowd and dynamics of pedestrians affected by emotion. In the model, pedestrians are divided into stable pedestrians and sensitive pedestrians according to their different personality traits in response to emotion, and their emotional state can be normal or panic. Besides, emotion contagion, emotion decay, and the influence of emotion on pedestrian movement decision-making are also considered. The simulation results show that evacuation efficiency will be reduced, for panic pedestrians may act maladaptive behaviors, thereby making the crowd more chaotic. The results further suggest that improving pedestrian psychological ability and raising the standard of management can effectively increase evacuation efficiency. And it is necessary to reduce the panic level of group as soon as possible at the beginning of evacuation. We hope this research could provide a new method to analyze crowd evacuation in panic situations.
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Received: 09 August 2022
Revised: 09 October 2022
Accepted manuscript online: 31 October 2022
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PACS:
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04.25.dc
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(Numerical studies of critical behavior, singularities, and cosmic censorship)
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89.40.-a
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(Transportation)
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05.50.+q
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(Lattice theory and statistics)
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07.05.Tp
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(Computer modeling and simulation)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 71790613 and 72091512) and the Science and Technology Innovation Program of Hunan Province, China (Grant No. 2020SK2004). |
Corresponding Authors:
Chang-Kun Chen
E-mail: cckchen@csu.edu.cn
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Cite this article:
Hua-Kai Sun(孙华锴) and Chang-Kun Chen(陈长坤) Model considering panic emotion and personality traits for crowd evacuation 2023 Chin. Phys. B 32 050401
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