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Simulation of crowd evacuation under attack considering emotion spreading |
| Yang Wang(王杨)1,2, Ning Ding(丁宁)1,2,3,†, Dapeng Dong(董大鹏)1, and Yu Zhu(朱萸)4 |
1 Public Security Behavioral Science Laboratory, People's Public Security University of China, Beijing 100084, China;
2 School of Public Order, People's Public Security University of China, Beijing 100084, China;
3 Center For Capital Social Safety, People's Public Security University of China, Beijing 00084, China;
4 Institute of Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, China |
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Abstract In recent years, attacks against crowded places such as campuses and theaters have had a frequent and negative impact on the security and stability of society. In such an event, the crowd will be subjected to high psychological stress and their emotions will rapidly spread to others. This paper establishes the attack-evacuation evacuation simulation model (AEES-SFM), based on the social force model, to consider emotion spreading under attack. In this model, (1) the attack-escape driving force is considered for the interaction between an attacker and evacuees and (2) emotion spreading among the evacuees is considered to modify the value of the psychological force. To validate the simulation, several experiments were carried out at a university in China. Comparing the simulation and experimental results, it is found that the simulation results are similar to the experimental results when considering emotion spreading. Therefore, the AEES-SFM is proved to be effective. By comparing the results of the evacuation simulation without emotion spreading, the emotion spreading model reduces the evacuation time and the number of casualties by about 30%, which is closer to the real experimental results. The results are still applicable in the case of a 40-person evacuation. This paper provides theoretical support and practical guidance for campus response to violent attacks.
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Received: 15 July 2024
Revised: 20 September 2024
Accepted manuscript online: 09 October 2024
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PACS:
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89.20.-a
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(Interdisciplinary applications of physics)
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89.40.-a
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(Transportation)
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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 No. 72274208). |
Corresponding Authors:
Ning Ding
E-mail: dingning_thu@126.com
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Cite this article:
Yang Wang(王杨), Ning Ding(丁宁), Dapeng Dong(董大鹏), and Yu Zhu(朱萸) Simulation of crowd evacuation under attack considering emotion spreading 2024 Chin. Phys. B 33 128901
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