Evacuation dynamics with fire spreading based on cellular automaton |
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| Authors: | Ying Zheng Bin Jia Xin-Gang Li Nuo Zhu |
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| Institution: | 1. Key Laboratory of Western Mine Exploitation and Hazard Prevention of Ministry of Education, Xi’an University of Science and Technology, Xi’an 710054, China;2. Xi’an Public Security Fire Detachment, Xi’an 710065, China;3. Deparment of fire protection engneering, Chinese People''s Armed Police Force Academy, Langfang 065000, China;1. School of Sciences, Hebei University of Technology, Tianjin 300401, China;2. School of Control Science and Engineering, Hebei University of Technology, Tianjin 300130, China;3. Optimization and Systems Theory and ACCESS Linnaeus Center, Royal Institute of Technology, Stockholm 100 44, Sweden;1. School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China;2. Faculty of Computer Science, Chengdu Normal University, Chengdu 611130, China;3. College of Information Science and Technology, Chengdu University, Chengdu 610106, China;4. College of Information Science and Technology, Southwest Jiaotong University, Chengdu 610031, China;5. Chengdu Aeronautic Vocational and Technical College, Chengdu 610100, China |
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| Abstract: | This paper investigates the dynamics of pedestrian evacuation with the influence of the fire spreading. An extended floor field model is proposed. In the new model, the effect of fire on the evacuation is considered by introducing the fire floor field. Thus, the floor field intensity is weighted by static, dynamic and fire floor fields. Numerical simulations are carried out to study the dynamics in the process of the evacuation. The influence of the parameters–weight of fire floor field, fire spread rate–on the evacuation efficiency is analyzed in detail. The simulation results show that the number of pedestrians evacuated out of the room is highly related to both the original location of the fire and the configuration of the room. Those results can bring some guidance to design the evacuation strategy in panic situation. |
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