Spring-block model for a single-lane highway traffic

Details Spring-block model for a single-lane highway traffic Spring-block model for a single-lane highway traffic

2010-12-09

arxiv.org/abs/1012.1929v1

Cent. Eur. J. Phys. 9(4), 1002-1009 (2011)

Physics

Data Analysis, Statistics and Probability

6 pages, 7 figures

Scientific paper

10.2478/s11534-011-0007-6

A simple one-dimensional spring-block chain with asymmetric interactions is considered to model an idealized single-lane highway traffic. The main elements of the system are blocks (modeling cars), springs with unidirectional interactions (modeling distance keeping interactions between neighbors), static and kinetic friction (modeling inertia of drivers and cars) and spatiotemporal disorder in the values of these friction forces (modeling differences in the driving attitudes). The traveling chain of cars correspond to the dragged spring-block system. Our statistical analysis for the spring-block chain predicts a non-trivial and rich complex behavior. As a function of the disorder level in the system a dynamic phase-transition is observed. For low disorder levels uncorrelated slidings of blocks are revealed while for high disorder levels correlated avalanches dominates.

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