Extended social force model with a dynamic navigation field for bidirectional pedestrian flow
Yan-Qun Jiang , Bo-Kui Chen , Bing-Hong Wang , Weng-Fai Wong , Bing-Yang Cao
Front. Phys. ›› 2017, Vol. 12 ›› Issue (5) : 124502
Extended social force model with a dynamic navigation field for bidirectional pedestrian flow
An extended social force model with a dynamic navigation field is proposed to study bidirectional pedestrian movement. The dynamic navigation field is introduced to describe the desired direction of pedestrian motion resulting from the decision-making processes of pedestrians. The macroscopic funda-mental diagrams obtained using the extended model are validated against camera-based observations. Numerical results show that this extended model can reproduce collective phenomena in pedestrian traffic, such as dynamic multilane flow and stable separate-lane flow. Pedestrians’ path choice behavior significantly affects the probability of congestion and the number of self-organized lanes.
bidirectional pedestrian flow / social force model / dynamic navigation field / collective phenomena / complex systems
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Higher Education Press and Springer-Verlag Berlin Heidelberg
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