在异质的移动性约束下,包括人群疏散模型
Fahad K Alqahtani1, Mohamed Sherif2,3, Amr Ghanem2
1Dept. of Civil Engineering, College of Engineering, King Saud University, P.O.Box 800, 11421, Riyadh, Saudi Arabia. bfahad@ksu.edu.sa.
Scientific reports
|October 9, 2025
概括
包括疏散模拟显示,残疾人显著增加疏散时间,减少吞吐量. 这突出了对可访问的设计和规划在异质人群紧急情况的关键需求.
科学领域:
- 工程 工程师 工程师 工程师
- 计算机科学 计算机科学
- 公共卫生 公共卫生
背景情况:
- 传统的疏散模式不足以满足残疾人的多样化移动需求.
- 现有的行人动态模型缺乏对特定残疾人的运动限制和环境障碍的切实整合.
研究的目的:
- 提出一个包容性的疏散模拟框架,整合轮椅使用者和视力受损者.
- 分析残疾人对疏散动态的影响,并确定关键的弱点.
主要方法:
- 开发了一个扩展的社会力量模型,修改了残疾人的代理参数 (速度,大小,导航).
- 一个概率性的下降机制和动态的环境相互作用被纳入.
- 模拟了一个单个房间的疏散场景,50名特工 (20%的残疾人) 被模拟.
主要成果:
- 残疾人将总疏散时间增加了50%左右,并在跌倒后将峰值吞吐量减少了40%.
- 跌倒事件导致门堵塞,并加剧了形和堵塞等拥堵效应.
- 热图显示了局部拥堵区域,动能分析显示出出口处的能量消耗.
结论:
- 包容性建模对于识别异质人群疏散计划漏洞至关重要.
- 设计干预措施,如更宽的门口和可访问的出口,对于提高安全至关重要.
- 该框架为基于绩效的包容性设计和对疏散计划的未来研究提供了基础.
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