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We illustrate in a simple setting the instantaneous shock tracking approach to stability of viscous conservation laws introduced by Howard, Mascia, and Zumbrun. This involves a choice of the definition of instanteous location of a viscous…

Analysis of PDEs · Mathematics 2009-09-15 Kevin Zumbrun

Extending results of Oh and Zumbrun in dimensions $d\ge 3$, we establish nonlinear stability and asymptotic behavior of spatially-periodic traveling-wave solutions of viscous systems of conservation laws in critical dimensions $d=1,2$,…

Analysis of PDEs · Mathematics 2010-01-08 Mathew A. Johnson , Kevin Zumbrun

Extending results of Oh--Zumbrun and Johnson--Zumbrun for parabolic conservation laws, we show that spectral stability implies nonlinear stability for spatially periodic viscous roll wave solutions of the one-dimensional St. Venant…

Analysis of PDEs · Mathematics 2010-11-19 Mathew Johnson , Kevin Zumbrun , Pascal Noble

For scalar conservation laws, we prove that spectrally stable stationary Lax discrete shock profiles are nonlinearly stable in some polynomially-weighted $\ell^1$ and $\ell^\infty$ spaces. In comparison with several previous nonlinear…

Analysis of PDEs · Mathematics 2025-04-01 Lucas Coeuret

This paper is concerned with the stability of stationary solutions of the conservation law $\partial_t u + \mathrm{div}_y A(y,u) -\Delta_y u=0$, where the flux $A$ is periodic with respect to its first variable. Essentially two kinds of…

Analysis of PDEs · Mathematics 2012-07-03 Anne-Laure Dalibard

Extending previous results of Oh--Zumbrun and Johnson--Zumbrun, we show that spectral stability implies linearized and nonlinear stability of spatially periodic traveling-wave solutions of viscous systems of conservation laws for systems of…

Analysis of PDEs · Mathematics 2010-01-08 Mathew A. Johnson , Kevin Zumbrun

In the previous paper \cite{J1}, we established pointwise bounds for the Green function of the linearized equation associated with spatially periodic traveling waves $\bar u$ of a system of reaction diffusion equations, and also obtained…

Analysis of PDEs · Mathematics 2012-10-23 Soyeun Jung

We establish one-dimensional spectral stability of small amplitude viscous and relaxation shock profiles using Evans function techniques to perform a series of reductions and normal forms to reduce to the case of the scalar Burgers…

Analysis of PDEs · Mathematics 2007-05-23 Ramon Plaza , Kevin Zumbrun

We introduce stabilized spline collocation schemes for the numerical solution of nonlinear, hyperbolic conservation laws. A nonlinear, residual-based viscosity stabilization is combined with a projection stabilization-inspired linear…

Numerical Analysis · Mathematics 2023-07-18 Ryan M. Aronson , John A. Evans

In the present paper, it is shown that the large amplitude viscous shock wave is nonlinearly stable for isentropic Navier-Stokes equations, in which the pressure could be general and includes $\gamma$-law, and the viscosity coefficient is a…

Analysis of PDEs · Mathematics 2019-10-22 Lin He , Feimin Huang

Generalizing similar results for viscous shock and relaxation waves, we establish sharp pointwise Green function bounds and linearized and nonlinear stability for traveling wave solutions of an abstract viscous combustion model including…

Analysis of PDEs · Mathematics 2007-05-23 Gregory Lyng , Mohammadreza Raoofi , Benjamin Texier , Kevin Zumbrun

Continuing a line of investigation initiated by Texier and Zumbrun on dynamics of viscous shock and detonation waves, we show that a linearly unstable Lax-type viscous shock solution of a semilinear strictly parabolic system of conservation…

Analysis of PDEs · Mathematics 2008-11-10 Kevin Zumbrun

We establish sharp pointwise Green's function bounds and consequent linearized and nonlinear stability for smooth traveling front solutions, or relaxation shocks, of general hyperbolic relaxation systems of dissipative type, under the…

Analysis of PDEs · Mathematics 2007-05-23 Corrado Mascia , Kevin Zumbrun

The goal of this paper is to prove the existence and stability of shocks for viscous scalar conservation laws with space periodic flux, in the multi-dimensional case. Such a result had been proved by the first author in one space dimension,…

Analysis of PDEs · Mathematics 2016-03-17 Anne-Laure Dalibard , Moon-Jin Kang

In this paper, the asymptotic-time behavior of solutions to an initial boundary value problem in the half space for 1-D isentropic Navier-Stokes system is investigated. It is shown that the viscous shock wave is stable for an impermeable…

Analysis of PDEs · Mathematics 2021-09-07 Lin Chang

In this paper we study the long time dynamics of the solutions to the initial-boundary value problem for a scalar conservation law with a saturating nonlinear diffusion. After discussing the existence of a unique stationary solution and its…

Analysis of PDEs · Mathematics 2024-05-21 Raffaele Folino , Maurizio Garrione , Marta Strani

Building on Evans function techniques developed to study the stability of viscous shocks, we examine the stability of viscous strong detonation wave solutions of the reacting Navier-Stokes equations. The primary result, following the work…

Analysis of PDEs · Mathematics 2009-11-10 Gregory Lyng , Kevin Zumbrun

This work establishes nonlinear orbital asymptotic stability of scalar radiative shock profiles, namely, traveling wave solutions to the simplified model system of radiating gas \cite{Hm}, consisting of a scalar conservation law coupled…

Analysis of PDEs · Mathematics 2009-05-28 Corrado Lattanzio , Corrado Mascia , Ramon Plaza , Toan Nguyen , Kevin Zumbrun

We study the long-time behavior of scalar viscous conservation laws via the structure of $\omega$-limit sets. We show that $\omega$-limit sets always contain constants or shocks by establishing convergence to shocks for arbitrary monotone…

Analysis of PDEs · Mathematics 2023-06-26 Thierry Gallay , Arnd Scheel

We consider scalar conservation laws with nonlocal diffusion of Riesz-Feller type such as the fractal Burgers equation. The existence of traveling wave solutions with monotone decreasing profile has been established recently (in special…

Analysis of PDEs · Mathematics 2023-08-21 Franz Achleitner , Yoshihiro Ueda
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