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Zbl 0978.90020
Tajima, Yusuke; Nagatani, Takashi
Clogging transition of pedestrian flow in $T$-shaped channel. (English)
[J] Physica A 303, No.1-2, 239-250 (2002). ISSN 0378-4371

Summary: Pedestrian flow is investigated under the open boundaries in a $T$-shaped channel where the branch flow joins the main flow at the junction. The pedestrian merging flow is simulated by the use of the lattice-gas model of biased random walkers. When the main flow rate increases under the constant value of branch flow rate, the clogging transitions occur at the main flow or branch flow or both flows. It is shown that the dynamical phase transitions depend on both inlet densities. The four distinct phases are found. The phase diagram is presented for the distinct phases. The scaling of saturated flow rate and transition point is shown. The flow rate exhibits the universal scaling form.

MSC 2000:: *90B20 Highway traffic
82C99 Time-dependent statistical mechanics

Keywords: open boundaries; lattice-gas model; biased random walkers

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