Lattice hydrodynamic model for bidirectional pedestrian flow with the consideration of pedestrian density difference
Jie Zhou () and
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Jie Zhou: College of Automation, Northwestern Polytechnical University, Xi'an, Shanxi 210097, P. R. China
Zhong-Ke Shi: College of Automation, Northwestern Polytechnical University, Xi'an, Shanxi 210097, P. R. China
International Journal of Modern Physics C (IJMPC), 2015, vol. 26, issue 08, 1-20
Considering the effect of density difference, an extended lattice hydrodynamic model for bidirectional pedestrian flow is proposed in this paper. The stability condition is obtained by the use of linear stability analysis. It is shown that the stability of pedestrian flow varies with the reaction coefficient of density difference. Based on nonlinear analysis method, the Burgers, Korteweg–de Vries (KdV) and modified Korteweg–de Vries (MKdV) equations are derived to describe the triangular shock waves, soliton waves and kink–antikink waves in the stable, metastable and unstable regions, respectively. The results show that jams may be alleviated by considering the effect of density difference. The findings also indicate that in the process of building and subway station design, a series of auxiliary facilities should be considered in order to alleviate the possible pedestrian jams.
Keywords: Pedestrian flow; nonlinear analysis; density difference; MKdV equation (search for similar items in EconPapers)
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