Volume 76, Number 5, December 2006
|Page(s)||787 - 793|
|Published online||03 November 2006|
Model for dynamic traffic congestion in scale-free networks
State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University Beijing, 100044, PRC and School of Traffic and Transportation, Beijing Jiaotong University Beijing, 100044, PRC
Accepted: 9 October 2006
We present a new load distribution mechanism and obtain the dynamic critical load-generating rate based on the unoccupied capacity in scale-free networks. And the dynamics of traffic congestion is studied numerically. By investigating the effectiveness of the proposed mechanism for scale-free and random networks, we find that the traffic congestion and critical load-generating rate are strongly dependent on the unoccupied capacity, the topology and the size of traffic networks.
PACS: 05.70.Fh – Phase transitions: general studies / 89.90.+n – Other topics in areas of applied and interdisciplinary physics / 87.23.Ge – Dynamics of social systems
© EDP Sciences, 2006
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