基于力的人群疏散仿真模型

Simulating model of crowd evacuation based on force

在分析现有的考虑摩擦与排斥的人群疏散元胞自动机模型的基础上,研究人群疏散问题,建立了基于力的人群疏散仿真模型。该模型量化了摩擦力、排斥力和吸引力,因而可以描述拥挤、堵塞产生的人与人、人与环境之间的社会心理和物理作用。该模型采用的是元胞自动机,因而规则简单,运算速度快。仿真实验结果反映了出口处设置障碍物对逃生的影响,对应急疏散预案和建筑物结构设计有一定的参考作用。

Based on the cellular automata evacuation model considering friction and repulsion,the simulating model of crowd evacuation based on force is put forward for studying crowd evacuating.The model quantizes the friction,repulsion and attraction,so can better describe the interpersonal and bioenvironmental social mental and physical responses under the conditions of hustle and congestion;the simulating model is based on the cellular automata model,so it is simple in regulations and fast in computing.The influence of placing obstacles by the exit to the evacuators is reflected by the results of simulation experiments,it will be helpful to the design of emergency evacuation scheme and the building exit.