首页  科学研究  学术论文  2012年
 
Chen CK, Li J, Zhang D (2012) Physica a-Statistical Mechanics And Its Applications 391(7), 2408-2420.
文章来源:SKLFS    作者:SKLFS    发布时间:2013-09-21
Chen CK, Li J, Zhang D (2012) Study on evacuation behaviors at a T-shaped intersection by a force-driving cellular automata model. Physica a-Statistical Mechanics And Its Applications 391(7), 2408-2420. [In English]
Web link: http://dx.doi.org/10.1016/j.physa.2011.12.001
Keywords: Cellular automata model; T-shaped intersection; Evacuation; Inflexion; point; pedestrian flow; simulation; dynamics; exit
Abstract: A force-driving cellular automata model considering the social force on cell movement, such as the desirous willing of a pedestrian to exit, the repulsive interaction among pedestrians or between pedestrians and obstacles, was set up to investigate the evacuation behaviors of pedestrians at a T-shaped intersection. And an analogical formulation, taking reference of the magnetic force, was introduced to describe the above repulsive actions. Based on the model, the evacuation behaviors of pedestrians were simulated in terms of different pedestrian density, distribution and corridor width, and then evacuation time was obtained and analyzed. Furthermore, an experiment was conducted to verify the results of the presented model. The results demonstrate that when the density of pedestrians is greater than a certain threshold, pedestrians of a certain direction would be jammed by the repulsion from pedestrians of the counter flow from another direction, and the evacuation time of the former would be longer, even though they are closer to the exit, which would possibly result in a serious casualty in an emergency circumstance. And the phenomenon has been validated by the experiments well. In addition, a corresponding critical corridor width related to different DOPs, beyond which the evacuation time could be decreased rapidly due to a strong degradation of jamming behaviors near the T-shaped intersection, was also discovered and predicted by the proposed model. (C) 2011 Elsevier B.V. All rights reserved.
 
 
相关链接
Chen CK, Li J, Zhang D (2012) Physica a-Statistical Mechanics And Its Applications 391(7), 2408-2420.
联系我们
安徽省合肥市金寨路96号
中国科学技术大学
火灾科学国家重点实验室
邮政编码:230026
   
Tel:(+86)551 63601651
Fax:(+86)551 63601669
E-mail:sklfs@ustc.edu.cn
Copyright © 1990-2011 State Key Laboratory of Fire Science, University of Science and Technology of China
火灾科学国家重点实验室 版权所有 皖ICP备:002106505 号