A second order model for vehicular traffics with local point constraints on the flow

Abstract : In this paper we present a second order model based on the Aw, Rascle, Zhang model (ARZ) for vehicular traffics subject to point constraints on the flow, its motivation being, for instance, the modeling of traffic lights along a road. We first introduce a definition of entropy solution by choosing a family of entropy pairs analogous to the Kruzhkov entropy pairs for scalar conservation laws; then we apply the wave-front tracking method to prove existence and a priori bounds for the entropy solutions of constrained Cauchy problem for ARZ with initial data of bounded variation and piecewise constant constraints. The case of solutions attaining values at the vacuum is considered. We construct an explicit example to describe some qualitative features of the solutions.
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Pré-publication, Document de travail
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Contributeur : Carlotta Donadello <>
Soumis le : mardi 12 mai 2015 - 13:41:39
Dernière modification le : samedi 7 juillet 2018 - 01:16:52
Document(s) archivé(s) le : lundi 14 septembre 2015 - 17:50:49


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  • HAL Id : hal-01146116, version 1



B Andreianov, Carlotta Donadello, Massimiliano D. Rosini. A second order model for vehicular traffics with local point constraints on the flow. 2015. 〈hal-01146116〉



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