Dissipative boundary conditions for 2 × 2 hyperbolic systems of conservation laws for entropy solutions in BV
Coron, Jean-Luc; Ervedoza, Sylvain; Ghoshal, Shyam; Glass, Olivier; Perrollaz, Vincent (2017), Dissipative boundary conditions for 2 × 2 hyperbolic systems of conservation laws for entropy solutions in BV, Journal of Differential Equations, 262, 1, p. 1-30. 10.1016/j.jde.2016.09.016
TypeArticle accepté pour publication ou publié
External document linkhttps://hal.archives-ouvertes.fr/hal-01244280
Journal nameJournal of Differential Equations
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Abstract (EN)In this article, we investigate the BV stability of hyperbolic systems of conservation laws with strictly positive velocities under dissipative boundary conditions. More precisely, we derive sufficient conditions guaranteeing the exponential stability of the system under consideration for entropy solutions in BV. Our proof is based on a front tracking algorithm used to construct approximate piecewise constants solutions whose BV norms are controlled through a Lyapunov functional. This Lyapunov functional is inspired by the one proposed in J. Glimm's seminal work , modified with some suitable weights in the spirit of the previous works [9,10].
Subjects / KeywordsBV; Lyapunov functional
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