| Issue |
Europhys. Lett.
Volume 76, Number 5, December 2006
|
|
|---|---|---|
| Page(s) | 787 - 793 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2006-10355-6 | |
| 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
Corresponding authors: wjj419@sohu.com gaoziyou@jtys.bjtu.edu.cn
Received:
20
June
2006
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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