Stationary velocity distributions in traffic flows
نویسندگان
چکیده
منابع مشابه
Stationary Velocity Distributions in Traffic Flows
the steady state characteristics of the flow from a Boltzmann-like equation. A single dimensionless parameter, R = c0v0t0 with c0 the concentration, v0 the velocity range, and t −1 0 the passing rate, determines the nature of the steady state. When R 1, uninterrupted flow with single cars occurs. When R 1, large clusters with average mass 〈m〉 ∼ R form, and the flux is J ∼ R−γ . The initial dist...
متن کاملStationary velocity and charge distributions of grains in dusty plasmas
Within the kinetic approach the velocity and the charge distributions of grains in stationary dusty plasmas are calculated and the relations between the effective temperatures of such distributions and plasma parameters are established. It is found that the effective temperature which determines the velocity grain distribution could be anomalously large due to the action of accelerating ionic b...
متن کاملHeavy-traffic limits for nearly deterministic queues: stationary distributions
We establish heavy-traffic limits for stationary waiting times and other performance measures in Gn/Gn/1 queues, where Gn indicates that an original point process is modified by cyclic thinning of order n; i.e., the thinned process contains every n point from the original point process. The classical example is the Erlang En/En/1 queue, where cyclic thinning of order n is applied to both the in...
متن کاملDiscrete-Velocity Models and Relaxation Schemes for Traffic Flows
We present simple discrete velocity models for traffic flows. The novel feature in the corresponding relaxation system is the presence of non negative velocities only. We show that in the small relaxation limit the discrete models reduce to the Lighthill-Whitham-Richards equation. In addition we propose second order schemes combined with IMEX time integrators as proper discretization of the rel...
متن کاملQuasi-stationary distributions
This paper contains a survey of results related to quasi-stationary distributions, which arise in the setting of stochastic dynamical systems that eventually evanesce, and which may be useful in describing the long-term behaviour of such systems before evanescence. We are concerned mainly with continuous-time Markov chains over a finite or countably infinite state space, since these processes m...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review E
سال: 1997
ISSN: 1063-651X,1095-3787
DOI: 10.1103/physreve.56.6680