考虑群体行为的行人疏散模拟模型研究

IF 2.8 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY
Sheng-Hui Qin, Na Li
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引用次数: 0

摘要

食堂作为大学校园中的人员密集场所,不可避免地存在着许多安全隐患,如明火和大型电器引发的火灾事故、就餐高峰期因拥挤引发的踩踏事故等。因此,研究大学校园食堂的行人疏散问题尤为必要。校园内的行人多为集体出行。以往的研究主要采用连续模型来讨论行人群体疏散行为。本研究以蜂窝自动机行人疏散模拟模型为基础,改进了楼层场计算方法。建立了考虑群体行为的蜂窝自动机行人疏散仿真模型,并将其应用于大学校园食堂的学生疏散场景。研究发现,在不同的群体配置、行人比例和行人密度下,行人疏散效率存在显著差异。结果表明,当场景中存在不同的群体配置时,三人前后群体配置的行人比例越高,疏散效率越高。当场景中只存在一种群体配置时,在行人密度较低的情况下,与其他六种群体配置相比,单个行人群体的疏散效率较高。而在行人密度较高的情况下,三人前后分组配置的疏散效率较高。这些研究结果为大学校园食堂的行人疏散提供了重要参考,也为群体行人疏散模型的模拟研究提供了启示,有助于加强校园安全管理,保障师生员工的安全。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study on pedestrian evacuation simulation model considering group behavior
As a crowded place on the university campus, the cafeteria inevitably has many safety hazards, such as fire accidents caused by open flames and large appliances, stampede accidents caused by overcrowding during peak dining hours, etc. Therefore, studying pedestrian evacuation in university campus cafeterias is particularly necessary. Pedestrians on campus mostly travel in groups. Previous studies mainly used continuous models to discuss pedestrian group evacuation behavior. In this study, based on the cellular automaton pedestrian evacuation simulation model, the floor field calculation method was improved. A cellular automaton pedestrian evacuation simulation model considering group behavior was established and applied to the evacuation scenario of students in a university campus cafeteria. The study found that under the different group configurations, the pedestrian ratios, and the pedestrian densities, the pedestrian evacuation efficiency had significant differences. The results showed that when the different group configurations existed in the scenario, the higher the proportion of the pedestrians with three-person front-to-back group configurations, the higher the evacuation efficiency. When only one type of the group configuration existed in the scenario, at low pedestrian density, the evacuation efficiency of the individual pedestrian groups was higher compared to the other six group configurations. While at high pedestrian density, the evacuation efficiency of the three-person front-to-back group configurations was higher. These findings provided important references for pedestrian evacuation in university campus cafeterias and provided insights for the simulation research of group pedestrian evacuation models, contributing to enhancing campus safety management and ensuring the safety of teachers, students, and staff.
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来源期刊
CiteScore
7.20
自引率
9.10%
发文量
852
审稿时长
6.6 months
期刊介绍: Physica A: Statistical Mechanics and its Applications Recognized by the European Physical Society Physica A publishes research in the field of statistical mechanics and its applications. Statistical mechanics sets out to explain the behaviour of macroscopic systems by studying the statistical properties of their microscopic constituents. Applications of the techniques of statistical mechanics are widespread, and include: applications to physical systems such as solids, liquids and gases; applications to chemical and biological systems (colloids, interfaces, complex fluids, polymers and biopolymers, cell physics); and other interdisciplinary applications to for instance biological, economical and sociological systems.
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