Behavioral patterns of children during emergency evacuations: a comparative analysis of experimental observations and simulation results

IF 2.2 3区 物理与天体物理 Q2 MECHANICS
Liang Chen, Chen Qiao, Jian Zhang, Chuan-Zhi (Thomas) Xie, Tie-Qiao Tang, Yanyan Chen
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引用次数: 0

Abstract

This study investigates the behavioral patterns of children during emergency evacuations through a dual approach comprising controlled experimental evacuations within a classroom and computational modeling via a cellular automaton (CA) model. Observations from the experiments reveal several characteristic behaviors among children, including preferences for destinations, the impact of obstacles on their movement, as well as patterns of exit utilization, running and pushing during the evacuation process. Drawing upon these empirical findings, a CA model is developed to encapsulate these observed behaviors. A novel algorithm is introduced within this model to simulate the pushing behavior of children during emergency evacuations. Numerical simulations are conducted to validate the capability of the model to replicate the observed behaviors. The simulation results confirm that the model accurately reproduces the child behavior during evacuations. Furthermore, the results indicate that the total evacuation time is directly influenced by both the proportion of children exhibiting pushing behavior and the strength of the pushing force. These insights advance our understanding of child behavior in emergency situations and have significant implications for enhancing public safety.
紧急疏散时儿童的行为模式:实验观察和模拟结果的比较分析
本研究采用双重方法研究儿童在紧急疏散过程中的行为模式,包括在教室内进行受控疏散实验和通过蜂窝自动机(CA)模型进行计算建模。实验观察发现了儿童的一些特征行为,包括对目的地的偏好、障碍物对其移动的影响,以及疏散过程中出口的利用、奔跑和推挤模式。根据这些实证研究结果,我们开发了一个 CA 模型来概括这些观察到的行为。在该模型中引入了一种新算法,用于模拟紧急疏散过程中儿童的推挤行为。为了验证模型复制观察到的行为的能力,我们进行了数值模拟。模拟结果证实,该模型准确地再现了疏散过程中的儿童行为。此外,模拟结果表明,总疏散时间直接受表现出推挤行为的儿童比例和推挤力强度的影响。这些见解加深了我们对紧急情况下儿童行为的理解,对提高公共安全具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.50
自引率
12.50%
发文量
210
审稿时长
1.0 months
期刊介绍: JSTAT is targeted to a broad community interested in different aspects of statistical physics, which are roughly defined by the fields represented in the conferences called ''Statistical Physics''. Submissions from experimentalists working on all the topics which have some ''connection to statistical physics are also strongly encouraged. The journal covers different topics which correspond to the following keyword sections. 1. Quantum statistical physics, condensed matter, integrable systems Scientific Directors: Eduardo Fradkin and Giuseppe Mussardo 2. Classical statistical mechanics, equilibrium and non-equilibrium Scientific Directors: David Mukamel, Matteo Marsili and Giuseppe Mussardo 3. Disordered systems, classical and quantum Scientific Directors: Eduardo Fradkin and Riccardo Zecchina 4. Interdisciplinary statistical mechanics Scientific Directors: Matteo Marsili and Riccardo Zecchina 5. Biological modelling and information Scientific Directors: Matteo Marsili, William Bialek and Riccardo Zecchina
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