IMPROVED FLUID-DYNAMIC MODEL FOR VEHICULAR TRAFFIC

被引：154

作者：

HELBING, D

机构：

[1] II. Institute of Theoretical Physics, University of Stuttgart

来源：

PHYSICAL REVIEW E | 1995年 / 51卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.51.3164

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The fluid-dynamic traffic model of Kerner and Konhäuser [Phys. Rev. E 48, 2335 (1993); 50, 54 (1994)] is extended by an equation for the vehicles' velocity variance. It is able to describe the observed increase of velocity variance immediately before a traffic jam develops. Another modification takes into account the finite amount of space that each vehicle needs. As a consequence, the improved traffic model does not produce densities that exceed the maximum vehicle density or negative velocities, like former models did. © 1995 The American Physical Society.

引用

页码：3164 / 3169

页数：6

共 37 条

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