Abstract
The rapid development of cities and the increasing complexity of its internal structure have led to pressing fire security problems, which calls for an effective and accurate comprehensive fire warning model. Most existing fire warning models predict only for a single fire scenario and can hardly balance the speed and accuracy in their predictions, which are not suitable for large-scale scenarios with complex structures. This paper proposes a fire warning model that includes both forest and building area based on Cellular Automata. Experimental areas were established to simulate fire warning according to the proposed hybrid model. The experimental results have shown that the model can quickly and accurately simulate the fire spread process and provide effective support for emergency decision-making in complex scenarios.
Highlights
With the rapid process of urbanization in China, there has been a marked growth of fire accidents
We propose a fire warning model in mixed scenarios based on Cellular Automata to achieve accurate simulation of fire spread in complex areas containing both forests and buildings
For the same type of fire models, different scholars analyzed the regularities of fires from different perspectives and proposed various types of fire models, such as empirical models based on historical fire statistics and experimental fire combustion, physical models based on purely physical heat of combustion theory, probabilistic models based on mathematical simulations and Cellular Automata models
Summary
With the rapid process of urbanization in China, there has been a marked growth of fire accidents. They cause incalculable loss of life and property, and severely damage the natural ecological resources and break the balance of ecosystem [1]. According to the fire spread regularity, the existing fire models can be classified as forest fire models and urban fire models. It is difficult to simulate complex fire scenarios, such as urban fires containing both forests and buildings, which include different types of combustible materials with different burning patterns. It is urgent and necessary to simulate the fire spread in complex areas
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