2022
DOI: 10.1051/m2an/2022030
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A LWR model with constraints at moving interfaces

Abstract: We propose a mathematical framework to the study of scalar conservation laws with moving interfaces. This framework is developed on a LWR model with constraint on the flux along these moving interfaces. Existence is proved by means of a finite volume scheme. The originality lies in the local modification of the mesh and in the treatment of the crossing points of the trajectories.

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Cited by 5 publications
(22 citation statements)
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“…In addition, the integral weak formulation for the approximate solution follows from the scheme's conservativity. We use the same compactness argument as in [22,Sect. 3.4].…”
Section: 2mentioning
confidence: 99%
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“…In addition, the integral weak formulation for the approximate solution follows from the scheme's conservativity. We use the same compactness argument as in [22,Sect. 3.4].…”
Section: 2mentioning
confidence: 99%
“…The discretization (A.1c)-(A.1d) of the ξ interface is detailled in [22] Section 3.1 where it is required to construct the adapted mesh. For any n, we denote j n the unique element of −J, J such that ξ n ∈ [x jn , x jn+1 ).…”
mentioning
confidence: 99%
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“…The theory of (2.1),(2.2) is well understood for the case of isolated discontinuities in ω (cf. [31,48]) but the case of interest, in the context of our model, requires much deeper investigation. The goal of this section is to sketch the existence theory, via convergence of the splitting approximations, based upon the propagation of the BV regularity of the initial datum w 0 .…”
Section: Variants Of the Modelmentioning
confidence: 99%
“…Last but not least, the numerical strategy developed in Section 6 below for the spatially non-local problem of Section 5.1 is applicable also to the local problem of Section 5.2, provided consistent discretization of (2.1),(2.2) is used taking into account the possible sharp discontinuities in the expression of the ux function (cf. [48]).…”
Section: Page 16mentioning
confidence: 99%