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- Title
ONE-DIMENSIONAL COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LARGE DENSITY OSCILLATION.
- Authors
TAO WANG; HUIJIANG ZHAO; QINGYANG ZOU
- Abstract
This paper is concerned with nonlinear stability of viscous shock profiles for the one-dimensional isentropic compressible Navier-Stokes equations. For the case when the diffusion wave introduced in [6, 7] is excluded, such a problem has been studied in [5, 11] and local stability of weak viscous shock profiles is well-established, but for the corresponding result with large initial perturbation, fewer results have been obtained. Our main purpose is to deduce the corresponding nonlinear stability result with large initial perturbation by exploiting the elementary energy method. As a first step toward this goal, we show in this paper that for certain class of "large" initial perturbation which can allow the initial density to have large oscillation, similar stability result still holds. Our analysis is based on the continuation argument and the technique developed by Kanel' in [4].
- Subjects
NAVIER-Stokes equations; ISENTROPIC compression; OSCILLATIONS; PERTURBATION theory; DIFFUSION
- Publication
Kinetic & Related Models, 2013, Vol 6, Issue 3, p649
- ISSN
1937-5093
- Publication type
Article
- DOI
10.3934/krm.2013.6.649