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- W2893553783 abstract "Pedestrian dynamics with affected visual field under emergency situation is a difficult point in the simulation of pedestrian flow. In this paper, an extended cost potential field cellular automaton model is proposed to investigate the motion of pedestrians through obscure room lack of visibility (due to smoke, darkness, etc.). A novel visibility function is introduced to describe visual effect caused by poor vision, which will lead to the increasing cost of discomfort. The numerical simulations are performed to explore the effects of factors, such as psychology tension, visual radius and pedestrian density on pedestrian evacuation. It was found that evacuation time relies on visual radius and initial density. The evacuation time under affected visual field increases with the decrease of visual radius. At low density, a moderate tension degree can improve the evacuation efficiency. These findings will be helpful in pedestrian control and management under an emergency." @default.
- W2893553783 created "2018-10-05" @default.
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- W2893553783 date "2019-02-01" @default.
- W2893553783 modified "2023-10-16" @default.
- W2893553783 title "An extended cost potential field cellular automaton model for pedestrian evacuation considering the restriction of visual field" @default.
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- W2893553783 doi "https://doi.org/10.1016/j.physa.2018.09.145" @default.
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