Nonclassical multidimensional viscous and inviscid shocks
| hal.structure.identifier | Laboratoire d'Analyse, Topologie, Probabilités [LATP] | |
| dc.contributor.author | GUÈS, Olivier | |
| hal.structure.identifier | Institut de Mathématiques de Bordeaux [IMB] | |
| dc.contributor.author | METIVIER, Guy | |
| hal.structure.identifier | Department of Mathematics [Chapel Hill] | |
| dc.contributor.author | WILLIAMS, Mark | |
| hal.structure.identifier | Department of Mathematics IU | |
| dc.contributor.author | ZUMBRUN, Kevin | |
| dc.date.accessioned | 2024-04-04T02:52:09Z | |
| dc.date.available | 2024-04-04T02:52:09Z | |
| dc.date.issued | 2008 | |
| dc.identifier.issn | 0012-7094 | |
| dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/192037 | |
| dc.description.abstractEn | Extending our earlier work on Lax-type shocks of systems of conservation laws, we establish existence and stability of curved multidimensional shock fronts in the vanishing viscosity limit for general Lax- or undercompressive-type shock waves of nonconservative hyperbolic systems with parabolic regularization. The hyperbolic equations may be of variable multiplicity and the parabolic regularization may be of “real”, or partially parabolic, type. We prove an existence result for inviscid nonconservative shocks that extends to multidimensional shocks a one-dimensional result of X. Lin proved by quite different methods. In addition, we construct families of smooth viscous shocks converging to a given inviscid shock as viscosity goes to zero, thereby justifying the small viscosity limit for multidimensional nonconservative shocks. In our previous work on shocks we made use of conservative form especially in parts of the low frequency analysis. Thus, most of the new analysis of this paper is concentrated in this area. By adopting the more general nonconservative viewpoint, we are able to shed new light on both the viscous and inviscid theory. For example, we can now provide a clearer geometric motivation for the low frequency analysis in the viscous case. Also, we show that one may, in the treatment of inviscid stability of nonclassical and/or nonconservative shocks, remove an apparently restrictive technical assumption made by Mokrane and Coulombel in their work on, respectively, shocktype nonconservative boundary problems and conservative undercompressive shocks. Another advantage of the nonconservative perspective is that Lax and undercompressive shocks can be treated by exactly the same analysis. | |
| dc.language.iso | en | |
| dc.publisher | Duke University Press | |
| dc.title.en | Nonclassical multidimensional viscous and inviscid shocks | |
| dc.type | Article de revue | |
| dc.subject.hal | Mathématiques [math]/Equations aux dérivées partielles [math.AP] | |
| bordeaux.journal | Duke Mathematical Journal | |
| bordeaux.page | pp 1--110 | |
| bordeaux.volume | 142 | |
| bordeaux.hal.laboratories | Institut de Mathématiques de Bordeaux (IMB) - UMR 5251 | * |
| bordeaux.institution | Université de Bordeaux | |
| bordeaux.institution | Bordeaux INP | |
| bordeaux.institution | CNRS | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00287405 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00287405v1 | |
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