CLC number: U491.112
On-line Access:
Received: 2003-09-16
Revision Accepted: 2003-11-03
Crosschecked: 0000-00-00
Cited: 1
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LI Li, SHI Peng-fei. Wave propagation of the traffic flow dynamic model based on wavefront expansion[J]. Journal of Zhejiang University Science A, 2004, 5(11): 1398-1404.
@article{title="Wave propagation of the traffic flow dynamic model based on wavefront expansion",
author="LI Li, SHI Peng-fei",
journal="Journal of Zhejiang University Science A",
volume="5",
number="11",
pages="1398-1404",
year="2004",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2004.1398"
}
%0 Journal Article
%T Wave propagation of the traffic flow dynamic model based on wavefront expansion
%A LI Li
%A SHI Peng-fei
%J Journal of Zhejiang University SCIENCE A
%V 5
%N 11
%P 1398-1404
%@ 1869-1951
%D 2004
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2004.1398
TY - JOUR
T1 - Wave propagation of the traffic flow dynamic model based on wavefront expansion
A1 - LI Li
A1 - SHI Peng-fei
J0 - Journal of Zhejiang University Science A
VL - 5
IS - 11
SP - 1398
EP - 1404
%@ 1869-1951
Y1 - 2004
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2004.1398
Abstract: This paper discusses propagation of perturbations along traffic flow modeled by a modified second-order macroscopic model through the wavefront expansion technique. The coefficients in this expansion satisfy a sequence of transport equations that can be solved analytically. One of these analytic solutions yields information about wavefront shock. Numerical simulations based on a Padé approximation of this expansion were done at the end of this paper and results showed that propagation of perturbations at traffic flow speed conforms to the theoretical analysis results.
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