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Well-posedness for scalar conservation laws with moving flux constraints

Thibault Liard 1 Benedetto Piccoli 2
1 NECS - Networked Controlled Systems
GIPSA-DA - Département Automatique, Inria Grenoble - Rhône-Alpes
Abstract : We consider a strongly coupled ODE-PDE system representing moving bottlenecks immersed in vehicular traffic. The PDE consists of a scalar conservation law modeling the traffic flow evolution and the ODE models the trajectory of a slow moving vehicle. The moving bottleneck influences the bulk traffic flow via a point flux constraint, which is given by an inequality on the flux at the slow vehicle position. We prove uniqueness and continuous dependence of solutions with respect to initial data of bounded variation. The proof is based on a new backward in time method established to capture the values of the norm of generalized tangent vectors at every time.
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Contributor : Thibault Liard <>
Submitted on : Monday, January 15, 2018 - 4:31:35 PM
Last modification on : Wednesday, May 13, 2020 - 4:16:01 PM
Document(s) archivé(s) le : Sunday, May 6, 2018 - 7:49:54 PM


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  • HAL Id : hal-01684506, version 1
  • ARXIV : 1801.04814



Thibault Liard, Benedetto Piccoli. Well-posedness for scalar conservation laws with moving flux constraints. 2018. ⟨hal-01684506⟩



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