The role of altruistic behavior in emergency evacuation: A simulation study

Jianxun Li, Chao Wang, Jim Q. Chen, Hassan Talal Khan

Article ID: 8184
Vol 8, Issue 10, 2024

VIEWS - 95 (Abstract) 33 (PDF)

Abstract


Given the rising threat of terror attacks and the increasing frequency of natural disasters attributed to climate change, enhancing evacuation capacities in various spaces has become crucial for saving lives and accelerating recovery processes. This study investigates the influence of altruistic behavior on evacuation efficiency by developing a social force model that categorizes individuals into three demographic groups: youth, middle-aged, and seniors. Simulation experiments based on the model were conducted to evaluate the impact of altruistic behavior on evacuation efficiency under different conditions, such as evacuation capacity, reliability, and recovery time. The simulation results show that a higher probability of falling leads to longer evacuation times. While an increase in the probability of altruistic behavior improves evacuation efficiency, excessive altruistic behavior causes evacuation times to vary in a zigzag pattern. When the help range exceeds 0.7m, evacuation efficiency fluctuates without a clear trend of improvement.


Keywords


emergency evacuation; social force model; altruistic behavior

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DOI: https://doi.org/10.24294/jipd.v8i10.8184

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