Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Density waves in traffic flow.

¹Division of Thermal Science, Department of Mechanical Engineering, Shizuoka University, Hamamatsu 432-8561, Japan.

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics

|November 23, 2000

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Sézary syndrome managed with histone deacetylase inhibitor followed by anti-CCR4 monoclonal antibody.

Clinical and experimental dermatology·2018

Same author

Clinical and immunological profiles in 17 Japanese patients with drug-induced pemphigus studied at Kurume University.

The British journal of dermatology·2014

Same author

Extranodal natural killer/T-cell lymphoma from skin or soft tissue: suggestion of treatment from multinational retrospective analysis.

Annals of oncology : official journal of the European Society for Medical Oncology·2012

Same author

Endoscopic third ventriculotomy improves parkinsonism following a ventriculo-peritoneal shunt in a patient with non-communicating hydrocephalus secondary to idiopathic aqueduct stenosis.

Journal of the neurological sciences·2011

Same author

Pool of dust particles over the Asian continent: balloon-borne optical particle counter and ground-based lidar measurements at Dunhuang, China.

Environmental monitoring and assessment·2004

Same author

Expression of Ki-67 antigen and vascular endothelial growth factor in sporadic and neurofibromatosis type 2-associated schwannomas.

Clinical neuropathology·2003

This study analyzes density waves in car-following traffic models. Researchers found that different density wave behaviors, like shock waves and solitons, emerge in stable traffic flow regions, described by various nonlinear equations.

Area of Science:

Physics
Applied Mathematics
Traffic Flow Dynamics

Background:

Builds upon prior research into traffic flow in metastable and unstable regions.
Investigates density waves, a key phenomenon in traffic dynamics.

Purpose of the Study:

To analytically and numerically investigate density waves within the stable region of car-following traffic models.
To derive and analyze the governing equations for different density wave behaviors.

Main Methods:

Nonlinear analysis to derive the Burgers equation for stable traffic flow.
Numerical simulations to observe and characterize density wave evolution.
Comparison of numerical results with analytical predictions for wave decay rates.

Main Results:

Related Experiment Videos

A triangular shock wave emerges as a late-stage density wave in the stable region.
Density waves exhibit distinct behaviors: triangular shock waves (outside coexisting curve), solitons (near spinodal line), and kink-antikink waves (within spinodal line).
Governing equations identified: Burgers, Korteweg-de Vries, and modified Korteweg-de Vries equations describe these respective wave types.

Conclusions:

The study successfully characterizes density wave phenomena in stable traffic flow.
Different nonlinear equations accurately describe the diverse density wave behaviors observed.
Provides a deeper understanding of traffic flow instabilities and wave propagation.