Simulation of exit choosing in pedestrian evacuation with consideration of the direction visual field

A modified floor field model is proposed to simulate the pedestrian evacuation behavior in a room with multiple exits by considering the direction visual field. Direction visual field is used to describe the pedestrian’s prediction on the propagation of pedestrian flow along some directions. The proposed model outperforms most of the similar models developed so far in such scenario that pedestrians are initially distributed in a room’s specified zone. Simulation results show that the consideration of direction visual field can better reproduce the evacuation process and reduce evacuation time apparently. Sensitivity analyses of the model parameters are presented.

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