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Related papers: On weak stability of shock waves in 2D compressibl…

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We study the two-dimensional structural stability of shock waves in a compressible isentropic inviscid elastic fluid in the sense of the local-in-time existence and uniqueness of discontinuous shock front solutions of the equations of…

Analysis of PDEs · Mathematics 2019-03-21 Alessandro Morando , Yuri Trakhinin , Paola Trebeschi

We study the three-dimensional structural stability of shock waves for the equations of elastodynamics governing isentropic flows of compressible inviscid elastic materials. By nonlinear structural stability of a shock wave we mean the…

Analysis of PDEs · Mathematics 2025-07-01 Artem Shafeev , Yuri Trakhinin

The linear stability with variable coefficients of the vortex sheets for the two-dimensional compressible elastic flows is studied. As in our earlier work on the linear stability with constant coefficients, the problem has a free boundary…

Analysis of PDEs · Mathematics 2018-12-20 Robin Ming Chen , Jilong Hu , Dehua Wang

We present a streamlined account of recent developments in the stability theory for planar viscous shock waves, with an emphasis on applications to physical models with ``real,'' or partial viscosity. The main result is the establishment of…

Analysis of PDEs · Mathematics 2007-05-23 Kevin Zumbrun

The linear stability of rectilinear compressible vortex sheets is studied for two-dimensional isentropic elastic flows. This problem has a free boundary and the boundary is characteristic. A necessary and sufficient condition is obtained…

Analysis of PDEs · Mathematics 2015-09-10 Robin Ming Chen , Jilong Hu , Dehua Wang

We prove the nonlinear stability of the planar viscous shock up to a time-dependent shift for the three-dimensional (3D) compressible Navier-Stokes equations under the generic perturbations, in particular, without zero mass conditions.…

Analysis of PDEs · Mathematics 2022-04-21 Teng Wang , Yi Wang

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 studies the stability and large-time behavior of the three-dimensional (3-D) Boltzmann equation near shock profiles. We prove the nonlinear stability of the composite wave consisting of two shock profiles under general…

Analysis of PDEs · Mathematics 2024-02-08 Dingqun Deng , Lingda Xu

This paper studies the uniform and weak Lopatinski\u{\i} conditions associated to classical (Lax) shock fronts of arbitrary amplitude for compressible hyperelastic materials of Hadamard type in several space dimensions. Thanks to the…

Analysis of PDEs · Mathematics 2022-01-11 Ramón G. Plaza , Fabio Vallejo

Compressible vortex sheets are fundamental waves in entropy solutions to the multidimensional hyperbolic systems of conservation laws. For the Euler equations in 2-D gas dynamics, the classical linearized stability analysis on compressible…

Analysis of PDEs · Mathematics 2007-05-23 Gui-Qiang Chen , Ya-Guang Wang

It is well-known that the rarefaction wave, one of the basic wave patterns to the hyperbolic conservation laws, is nonlinearly stable to the one-dimensional compressible Navier-Stokes equations (cf. [14,15,12,17]). In the present paper we…

Analysis of PDEs · Mathematics 2019-02-01 Lin-an Li , Yi Wang

In this paper we study small shocks of 1D scalar viscous conservation laws with uniformly convex flux and nonlinear dissipation. We show that such shocks are L2 stable independent of the strength of the dissipation, even with large…

Analysis of PDEs · Mathematics 2019-12-02 Logan Stokols

A new condition for the linear dissipative instability of the strong plane shock wave in an arbitrary medium is obtained. The instability of the shock is realized due to the flow instability behind its front, which is similar to the known…

Fluid Dynamics · Physics 2020-06-24 Sergey G. Chefranov

We study viscous-dispersive shock waves with infinite oscillations of the Korteweg-de Vries-Burgers (KdVB) equation. First, we establish detail structures of the shock waves, including the rates at which the local extrema converge to the…

Analysis of PDEs · Mathematics 2026-03-10 Geng Chen , Namhyun Eun , Moon-Jin Kang , Yannan Shen

Continuing the program initiated by Humpherys, Lyng, & Zumbrun [17] for strong detonation waves, we use a combination of analytical and numerical Evans-function techniques to analyze the spectral stability of weak detonation waves in a…

Analysis of PDEs · Mathematics 2017-06-09 Jeffrey Hendricks , Jeffrey Humpherys , Gregory Lyng , Kevin Zumbrun

The KdV-Burgers equation is a canonical model describing the interplay between nonlinearity, viscosity and dispersion, and it admits viscous-dispersive shocks as traveling wave solutions. In this paper, we establish an $L^2$-contraction…

Analysis of PDEs · Mathematics 2026-03-11 Geng Chen , Namhyun Eun , Moon-Jin Kang , Yannan Shen

For 2D compressible Euler equations of isentropic gas, we prove the structural stability of mixed Riemann configurations containing centered rarefaction waves and surfaces of discontinuities (such as shock waves or vortex sheets), by…

Analysis of PDEs · Mathematics 2026-05-15 Jin Jia , Tao Luo

We investigate one- and multi-dimensional stability of noncharacteristic boundary layers in the limit approaching a standing planar shock wave $\bar U(x_1)$, $x_1>0$, obtaining necessary conditions of (i) weak stability of the limiting…

Analysis of PDEs · Mathematics 2008-09-16 Kevin Zumbrun

The linear stability of rapid granular flow on a slope under gravity against the longitudinal perturbation is analyzed using hydrodynamic equations. It is demonstrated that the steady flow uniform along the flow direction becomes unstable…

Statistical Mechanics · Physics 2009-11-10 Namiko Mitarai , Hiizu Nakanishi

Solutions of constant-coefficient nonlinear hyperbolic PDEs generically develop shocks, even if the initial data is smooth. Solutions of hyperbolic PDEs with variable coefficients can behave very differently. We investigate formation and…

Mathematical Physics · Physics 2015-03-13 David I Ketcheson , Randall J. LeVeque
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