Abstract
Overcompressive shock waves arise in nonlinear elasticity, magnetohydrodynamics, multiphase flows and other physical situations. The inviscid models are non-strictly hyperbolic and there have been controversies on the admissibility of overcompressive shocks. We study the nonlinear stability of these waves for the viscous models and show that there are two distinct types. The first type is a combination of classical shock waves and is nonlinear stable with respect to the strength of dissipations. For sufficiently small dissipation a fixed perturbation will give rise to waves of distinct speeds. The second type is stable, but not uniformly with respect to the strength of dissipations. For sufficiently small dissipation a fixed perturbation will give rise to waves of distinct speeds.
Research supported in part by NSF grant DMS 90-0226 and Army grant DAAL 03 91-G-0017.
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© 1993 Springer-Verlag New York, Inc.
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Liu, TP. (1993). Nonlinear Stability and Instability of Overcompressive Shock Waves. In: Dunn, J.E., Fosdick, R., Slemrod, M. (eds) Shock Induced Transitions and Phase Structures in General Media. The IMA Volumes in Mathematics and its Applications, vol 52. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-8348-2_9
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DOI: https://doi.org/10.1007/978-1-4613-8348-2_9
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