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An extended social force model considering the psychological impact of the hazard source and its behavioural manifestation

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Listed:
  • Deng, Kaifeng
  • Hu, Xiangmin
  • Li, Meng
  • Chen, Tao

Abstract

The hazard source is the essential cause for evacuations, and it has an impact on the psychological state of the pedestrians, which is further manifested in their behavioural patterns. This study aims to integrate a non-spreading hazard source into the social force model following the results from a previous experiment, and to simulate the pre-evacuation delay time and a virtual repulsion force from the hazard source, controlled by its properties. The integration is validated with the results of the previous experiment, and subsequent simulations reveal 1) that the pre-evacuation delay time is the major contributor to the effects of the hazard source, 2) that the detour effect, generated by the repulsion force, significantly lengthens the evacuation time for sparse crowds, and 3) that a moderate (but not stronger) repulsion force near the bottleneck improves the efficiency to pass through it for dense crowds.

Suggested Citation

  • Deng, Kaifeng & Hu, Xiangmin & Li, Meng & Chen, Tao, 2023. "An extended social force model considering the psychological impact of the hazard source and its behavioural manifestation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 627(C).
    • Handle: RePEc:eee:phsmap:v:627:y:2023:i:c:s0378437123006829
    DOI: 10.1016/j.physa.2023.129127
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    References listed on IDEAS

    as
    1. Zhu, Yu & Chen, Tao & Ding, Ning & Chraibi, Mohcine & Fan, Wei-Cheng, 2021. "Follow people or signs? A novel way-finding method based on experiments and simulation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 573(C).
    2. Wang, Guanning & Chen, Tao & Hu, Xiangmin & Zheng, Huijie & Jiang, Wenyu, 2022. "Wall-following searching or area coverage searching? Simulation study of the panic evacuation considering the guidance of a single rescuer," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 603(C).
    3. Liu, Qian, 2018. "A social force model for the crowd evacuation in a terrorist attack," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 502(C), pages 315-330.
    4. Li, Xingli & Geng, Zhongfei & Kuang, Hua & Bai, Xuecen & Fan, Yanhong, 2019. "Effect of dangerous source on evacuation dynamics in pedestrian counter flow," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 533(C).
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    Cited by:

    1. Liu, Yulu & Ma, Xuechen & Tao, Yizhou & Dong, Liyun & Ding, Xu & Qiu, Xiang, 2024. "Numerical investigation on the impact of obstacles on phase transition in pedestrian counter-flow," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 635(C).
    2. Tian, Jiangtao & Li, Xingli & Guo, Qinghua & Kuang, Hua, 2024. "Dynamics characteristic of pedestrians’ particular overtaking behavior based on an improved social force model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 643(C).

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