摘要
随着地铁站等大规模半封闭式交通枢纽的增加,其应急疏散问题受到了越来越多的关注。以社会力行人疏散仿真模型为基础,将毒气扩散模型添加到仿真环境中,改进原有的社会力模型,建立符合地铁站发生毒气恐怖事件时的行人应急疏散模型,称其为整合社会力模型。该模型在原有社会力模型中添加了行人之间的凝聚力和紧急情况时反映人心理的紧张因子,并与毒气扩散仿真环境进行整合,能较为真实的反应出突发事件发生前后人群疏散的整个过程。最后利用提出的新仿真模型模拟出地铁站突发毒气恐怖事件的背景下对乘客进行疏散的过程,指出及时发现毒气源、有效引导疏散的重要性。
With increasing occurrence of large-scale and half-closed traffic hubs like subway stations, more and more attention has been paid to emergency evacuation inside them. Based on Social Force Model, a gas dispersion model into simulation environment was added. Primary Social Force Model was improved. A Combined Social Force Model was built which is suitable to a real situation where there is a sudden toxic gas event. The new evacuation model optimized primary Social Force Model by taking into account the cohesion among passengers and the nervousness factor in emergency. The new model integrated Gaussian Puff Model and could reflect the process of evacuation accurately. At last, a corresponding simulation experiment was conducted and the importance of finding locations of toxic gas to efficient evacuation was emphasized.
出处
《系统仿真学报》
CAS
CSCD
北大核心
2014年第6期1197-1201,共5页
Journal of System Simulation
基金
国家重点基础研究发展规划项目计划(973计划)(2011CB706900)
国家自然科学基金(70971128)
北京市自然科学基金(9102022)
关键词
毒气扩散模型
社会力模型
应急疏散
仿真
gas dispersion model
social force model
emergency evacuation
simulation
