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Evacuation under limited visibility

Author

Listed:
  • Guillermo A. Frank

    (Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos, Pabellón I, Ciudad Universitaria, 1428 Buenos Aires, Argentina)

  • Claudio O. Dorso

    (Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos, Pabellón I, Ciudad Universitaria, 1428 Buenos Aires, Argentina)

Abstract

A multiplicity of situations can trigger off an evacuation of a room under panic conditions. For "normal" (with "normal" meaning absence of obstacles, perfect visibility, etc.) environmental conditions, the "faster is slower" effect dominates the dynamics of this process. It states that as the pedestrians desire to reach the exit increases, the clogging phenomena delays the time to get out of the room. But, environmental conditions are usually far from "normal." In this work, we consider that pedestrians have to find their way out under low visibility conditions. Some of them might switch to a herding-like behavior if they do not remember where the exit was. Others will just trust on their memory. Our investigation handles the herding and memory effects on the evacuation of a single exit room with no obstacles. We also include a section on how signaling devices affect the evacuation process. Unexpectedly, some low visibility situations may enhance the evacuation performance. This can be resumed as a second paradoxical result, since we demonstrated in an earlier investigation that "clever is not always better" G. A. Frank and C. O. Dorso,Physica A390, 2135 (2011).

Suggested Citation

  • Guillermo A. Frank & Claudio O. Dorso, 2015. "Evacuation under limited visibility," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 26(01), pages 1-18.
    • Handle: RePEc:wsi:ijmpcx:v:26:y:2015:i:01:n:s0129183115500059
    DOI: 10.1142/S0129183115500059
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    Citations

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    Cited by:

    1. Rozan, E.A. & Frank, G.A. & Cornes, F.E. & Sticco, I.M. & Dorso, C.O., 2022. "Microscopic dynamics of escaping groups through an exit and a corridor," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 597(C).
    2. Li, Xingli & Guo, Fang & Kuang, Hua & Geng, Zhongfei & Fan, Yanhong, 2019. "An extended cost potential field cellular automaton model for pedestrian evacuation considering the restriction of visual field," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 515(C), pages 47-56.
    3. Zheng, Ying & Li, Xingang & Zhu, Nuo & Jia, Bin & Jiang, Rui, 2018. "Evacuation dynamics with smoking diffusion in three dimension based on an extended Floor-Field model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 507(C), pages 414-426.
    4. Sticco, I.M. & Frank, G.A. & Cerrotta, S. & Dorso, C.O., 2017. "Room evacuation through two contiguous exits," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 474(C), pages 172-185.

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