The Hamilton-Jacobi partial differential equation and the three representations of traffic flow

被引:69
作者
Laval, Jorge A. [1 ]
Leclercq, Ludovic [2 ]
机构
[1] Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA
[2] Univ Lyon, ENTPE, IFSTTAR, Lab Ingn Circulat Transport LICIT, Lyon, France
基金
美国国家科学基金会;
关键词
Hamilton-Jacobi partial differential equation; Stochastic traffic flow; Kinematic wave model; CAR-FOLLOWING THEORY; KINEMATIC WAVES; VARIATIONAL FORMULATION; BOUNDARY-CONDITIONS; HIGHWAY; MODEL;
D O I
10.1016/j.trb.2013.02.008
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper applies the theory of Hamilton-Jacobi partial differential equations to the case of first-order traffic flow models. The traffic flow surface is analyzed with respect to the three 2-dimensional coordinate systems arising in the space of vehicle number, time and distance. In each case, the solution to the initial and boundary value problems are presented. Explicit solution methods and examples are shown for the triangular flow-density diagram case. This unveils new models and shows how a number of existing models are cast as special cases. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:17 / 30
页数:14
相关论文
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