HIGH-FIDELITY MACROSCOPIC TRAFFIC EQUATIONS

被引:28
|
作者
HELBING, D
机构
[1] II. Institute of Theoretical Physics, University of Stuttgart
来源
PHYSICA A | 1995年 / 219卷 / 3-4期
关键词
D O I
10.1016/0378-4371(95)00175-7
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The Euler-like traffic equations that can be derived for quasi-homogeneous traffic situations are corrected for non-equilibrium effects. This yields additional transport terms describing a flux of velocity variance. Other modifications resulting in a bulk viscosity term arise from the adaptive behavior of drivers with respect to changes of the traffic situation. Finally, corrections due to the space requirements of vehicles as well as due to finite reaction- and braking-times are introduced. These are responsible for a van der Waals-like relation for 'traffic pressure' and modified relations for the kinetic coefficients.
引用
收藏
页码:391 / 407
页数:17
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