Chinese Science Bulletin

, 47:1484 | Cite as

Occupant evacuation model based on cellular automata in fire

  • Lizhong Yang
  • Weifeng Fang
  • Rui Huang
  • Zhihua Deng
Notes
  • 138 Downloads

Abstract

By applying the rules set in traffic flow and pedestrian flow models, a basic cellular automata model is presented to simulate occupant evacuation in fire. Some extended models are introduced to study the special phenomena of evacuation from the fire room. The key of the models is the introduction of the danger grade which makes the route choice convenient and reasonable. Fire not only influences the emotional and behavioral characteristics of an individual but also affects his physical constitution, which reduces his maximal possible velocity. The models consider these influence factors by applying a set of simple but effective rules. It is needed to emphasize that all rules are established according to the essential phenomenon in fire evacuation, that is, all the occupants would try to move to the safest place as fast as possible. Some simulation examples are also presented to validate the applicability of the models.

Keywords

cellular automata pedestrian flow fire occupant evacuation model 

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Copyright information

© Science in China Press 2002

Authors and Affiliations

  • Lizhong Yang
    • 1
  • Weifeng Fang
    • 1
  • Rui Huang
    • 1
  • Zhihua Deng
    • 1
  1. 1.State Key Laboratory of Fire ScienceUniversity of Science and Technology of ChinaHefeiChina

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