Pedestrian behaviors in a lattice gas model with large maximum velocity

Pedestrian behaviors in a lattice gas model with large maximum velocity
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具有较大最大速度的晶格气体模型中的行人行为

DOI:
10.1016/j.physa.2006.06.006
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发表时间:
2007
影响因子:
3.3
通讯作者:
Jiang, Rui
Jiang, Rui
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Wu, Qing-Song;Jiang, Rui

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本文将格子气模型推广到最大速度vmax>1的大范围。结果表明,在较大的vmax下,对应于基本图最大流量的临界密度与经验结果吻合较好。研究了逆流情况,发现随着vmax的增大,阻塞过渡阈值减小。这可以通过对堵塞的附着率和从堵塞的脱离率来解释。研究了混合行人流的基本图,模拟了混合行人流率与快速行人比例的关系。最后,研究了混合行人的反向流动,发现混合行人分布越均匀,拥堵过渡阈值就越小。
In this paper, the lattice gas model for pedestrian flow is extended to large maximum velocity vmax>1. It is shown that at large vmax, the critical density corresponding to the maximum flow rate of fundamental diagram is in good agreement with empirical results. The counter flow is studied and it is found that with the increase of vmax, the jam transition threshold decreases. This is explained by the attachment rate to jam and detachment rate from jam. The fundamental diagram of mixed pedestrian flow is also investigated and the dependence of the flow rate on the ratio of fast pedestrians is simulated. Finally, the counter flow of mixed pedestrians is studied and it is found the more homogeneous the mixed pedestrians are distributed, the smaller the jam transition threshold is.
DOI: 10.1016/j.physa.2004.04.124
发表时间: 2004-10
影响因子: 3.3
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发表时间: 2005-02-01
影响因子: 4.6
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影响因子: 3.3
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发表时间: 2002-07-01
影响因子: 6.8
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