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Related papers: Stability of viscous shocks in isentropic gas dyna…

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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 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

By a combination of asymptotic ODE estimates and numerical Evans function calculations, we establish stability of viscous shock solutions of the isentropic compressible Navier--Stokes equations with $\gamma$-law pressure (i) in the limit as…

Analysis of PDEs · Mathematics 2017-06-09 Jeffrey Humpherys , Olivier Laffite , Kevin Zumbrun

The stability of solutions under periodic perturbations for both inviscid and viscous conservation laws is an interesting and important problem. In this paper, a large-amplitude viscous shock under space-periodic perturbation for the…

Analysis of PDEs · Mathematics 2021-09-15 Feimin Huang , Qian Yuan

Extending results of Humpherys-Lyng-Zumbrun in the one-dimensional case, we use a combination of asymptotic ODE estimates and numerical Evans-function computations to examine the multidimensional stability of planar Navier--Stokes shocks…

Analysis of PDEs · Mathematics 2017-08-02 Jeffrey Humpherys , Gregory Lyng , Kevin Zumbrun

This paper shows that for the three-dimensional compressible isentropic Navier-Stokes equations, the planar viscous shocks are time-asymptotically stable to suitably small initial perturbations with zero masses. In particular, the…

Analysis of PDEs · Mathematics 2024-05-22 Qian Yuan

Extending recent results in the isentropic case, we use a combination of asymptotic ODE estimates and numerical Evans-function computations to examine the spectral stability of shock-wave solutions of the compressible Navier--Stokes…

Mathematical Physics · Physics 2017-06-09 Jeffrey Humpherys , Gregory Lyng , Kevin Zumbrun

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

A free boundary problem for the one-dimensional compressible Navier-Stokes equations is investigated. The asymptotic stability of the viscous shock wave is established under some smallness conditions. The proof is given by an elementary…

Analysis of PDEs · Mathematics 2009-12-25 Feimin Huang , Xiaoding Shi , Yi Wang

This paper is concerned with the stability of planar viscous shock wave for the 3-dimensional compressible Navier-Stokes-Poisson (NSP) system in the domain $\Omega:=\mathbb{R}\times \mathbb{T}^2$ with…

Analysis of PDEs · Mathematics 2023-08-21 Xiaochun Wu

In this paper, a viscous shock wave under space-periodic perturbation of 1-D isentropic Navier-Stokes system in the half space is investigated. It is shown that if the initial periodic perturbation around the viscous shock wave is small,…

Analysis of PDEs · Mathematics 2024-01-02 Lin Chang , Lin He , Jin Ma

We study existence and stability of steady solutions of the isentropic compressible Navier-Stokes equations on a finite interval with non characteristic boundary conditions, for general not necessarily small-amplitude data. We show that…

Analysis of PDEs · Mathematics 2019-01-08 Benjamin Melinand , Kevin Zumbrun

In this paper, we study the isothermal gas dynamics. We first establish the global existence of strong solutions to the one-dimensional isothermal Navier-Stokes system for smooth initial data without any smallness conditions, assuming that…

Analysis of PDEs · Mathematics 2025-05-22 Saehoon Eo , Namhyun Eun , Moon-Jin Kang , HyeonSeop Oh

We carry out the first rigorous numerical proof based on Evans function computations of stability of viscous shock profiles, for the system of isentropic gas dynamics with monatomic equation of state. We treat a selection of shock strengths…

Analysis of PDEs · Mathematics 2016-01-06 Blake Barker , Kevin Zumbrun

We summarize recent progress on one- and multi-dimensional stability of viscous shock wave solutions of compressible Navier--Stokes equations and related symmetrizable hyperbolic--parabolic systems, with an emphasis on the large-amplitude…

Mathematical Physics · Physics 2007-05-23 Kevin Zumbrun

This paper is concerned with the inflow problem for the one-dimensional compressible Navier-Stokes equations. For such a problem, F. M. Huang, A. Matsumura and X. D. Shi showed that there exists viscous shock wave solution to the inflow…

Analysis of PDEs · Mathematics 2015-06-23 Dongfen Bian , Lili Fan , Lin He , Huijiang Zhao

Building on work of Barker, Humpherys, Lafitte, Rudd, and Zumbrun in the shock wave case, we study stability of compressive, or "shock-like", boundary layers of the isentropic compressible Navier-Stokes equations with gamma-law pressure by…

Analysis of PDEs · Mathematics 2017-06-12 Nicola Costanzino , Jeffrey Humpherys , Toan Nguyen , Kevin Zumbrun

This paper is concerned with nonlinear stability of viscous contact discontinuity to a free boundary problem for the one-dimensional full compressible Navier-Stokes equations in half space $[0,\infty)$. For the case when the local stability…

Analysis of PDEs · Mathematics 2014-10-09 Tingting Zheng

We treat the 1D shock tube problem, establishing existence of steady solutions of full (nonisentropic) polytropic gas dynamics with arbitrary noncharacteristic data. We present also numerical experiments indicating uniqueness and…

Analysis of PDEs · Mathematics 2023-04-13 Blake Barker , Benjamin Melinand , Kevin Zumbrun

This paper is concerned with nonlinear stability of viscous contact discontinuity to inflow problem for the one-dimensional full compressible Navier-Stokes equations with different ends in half space $[0,\infty)$. For the case when the…

Analysis of PDEs · Mathematics 2014-09-22 Tingting Zheng
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