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The outflow problem for the viscous full two-phase flow model in a half line is investigated in the present paper. The existence, uniqueness and nonlinear stability of the steady-state are shown respectively corresponding to the supersonic,…

偏微分方程分析 · 数学 2022-07-14 Hai-Liang Li , Shuang Zhao , Han-Wen Zuo

The present paper is concerned with large-time behavior of solutions to an outflow problem for an ideal polytropic model of compressible viscous gases in one-dimensional half space, and with a convergence rate of solutions toward a…

偏微分方程分析 · 数学 2009-12-25 Shuichi Kawashima , Tohru Nakamura , Shinya Nishibata , Peicheng Zhu

This paper is concerned with the large-time behavior of solutions to the outflow problem of full compressible Navier-Stokes equations in the half line. This is one of the series of papers by the authors on the stability of nonlinear waves…

偏微分方程分析 · 数学 2018-11-26 Yazhou Chen , Hakho Hong , Xiaoding Shi

We investigate the large-time behavior of solutions to an outflow problem of the full compressible Navier-Stokes equations in the half line. The non-degenerate stationary solution is shown to be asymptotically stable under large initial…

偏微分方程分析 · 数学 2020-09-24 Ling Wan , Tao Wang , Qingyang Zou

We consider the compressible Navier--Stokes equation in a perturbed half-space with an outflow boundary condition as well as the supersonic condition. For a half-space, it has been known that a certain planar stationary solution exist and…

偏微分方程分析 · 数学 2021-11-23 Masahiro Suzuki , Katherine Zhiyuan Zhang

We consider the non-isentropic compressible Navier-Stokes equation in a perturbed half space with an outflow boundary condition as well as the supersonic condition. This equation models a compressible viscous, heat-conductive, and Newtonian…

偏微分方程分析 · 数学 2024-10-21 Mingjie Li , Masahiro Suzuki , Katherine Zhiyuan Zhang

The linear stability of stratified two-phase flows in rectangular ducts is studied numerically. The linear stability analysis takes into account all possible infinitesimal three-dimensional disturbances and is carried out by solution of the…

流体动力学 · 物理学 2020-04-09 Alexander Gelfgat , Neima Brauner

The inflow problem of full compressible Navier-Stokes equations is considered on the half line $(0,+\infty)$. Firstly, we give the existence (or non-existence) of the boundary layer solution to the inflow problem when the right end state…

偏微分方程分析 · 数学 2009-03-25 Xiaohong Qin , Yi Wang

Linear stability of stratified two-phase flows in horizontal channels to arbitrary wavenumber disturbances is studied. The problem is reduced to Orr-Sommerfeld equations for the stream function disturbances, defined in each sublayer and…

流体动力学 · 物理学 2016-05-04 Ilya Barmak , Alexander Gelfgat , Helena Vitoshkin , Amos Ullmann , Neima Brauner

This paper is devoted to studying the inflow problem for an ideal polytropic model with non-viscous gas in one-dimensional half space. We showed the existence of the boundary layer in different areas. By employing the energy method, we also…

偏微分方程分析 · 数学 2018-06-01 Meichen Hou , Lili Fan

In cylindrical domain, we consider the nonstationary flow with prescribed inflow and outflow, modelled with Navier-Stokes equations under the slip boundary conditions. Using smallness of some derivatives of inflow function, external force…

偏微分方程分析 · 数学 2015-05-27 Joanna Renclawowicz , Wojciech M. Zajaczkowski

In order to analyze numerically inverse problems several techniques based on linear and nonlinear stability analysis are presented. These techniques are illustrated on the problem of estimating mobilities and capillary pressure in…

数值分析 · 计算机科学 2014-02-12 Jianfeng Zhang , Guy Chavent , Jérôme Jaffré

We study partial H\"older regularity for nonlinear elliptic systems in divergence form with double-phase growth, modeling double-phase non-Newtonian fluids in the stationary case.

偏微分方程分析 · 数学 2023-05-01 Giovanni Scilla , Bianca Stroffolini

We consider the incompressible Euler equations in the half cylinder $ \mathbb{R}_{>0}\times\mathbb{T}$. In this domain, any vorticity which is independent of $x_2$ defines a stationary solution. We prove that such a stationary solution is…

偏微分方程分析 · 数学 2022-10-26 Kyudong Choi , In-Jee Jeong , Deokwoo Lim

This article is a sequel to [M.Z.Z.1] aimed at completing the characterization of the pathwise local structure of solutions of semilinear stochastic evolution equations (see's) and stochastic partial differential equations (spde's) near…

概率论 · 数学 2008-09-19 Salah-Eldin A. Mohammed , Tusheng Zhang , Huaizhong Zhao

Linear stability of stratified gas-liquid and liquid-liquid plane-parallel flows in inclined channels is studied with respect to all wavenumber perturbations. The main objective is to predict parameter regions in which stable stratified…

流体动力学 · 物理学 2018-02-15 Ilya Barmak , Alexander Gelfgat , Amos Ullmann , Neima Brauner

We consider the Taylor-Couette problem in an infinitely extended cylindrical domain. There exist modulated front solutions which describe the spreading of the stable Taylor vortices into the region of the unstable Couette flow. These…

斑图形成与孤子 · 物理学 2007-05-23 Jean-Pierre Eckmann , Guido Schneider

We prove the existence of local stable, unstable, and center manifolds for stochastic semiflows induced by rough differential equations driven by rough paths valued stochastic processes around random fixed points of the equation. Examples…

概率论 · 数学 2025-07-15 Mazyar Ghani Varzaneh , Sebastian Riedel

We first give a complete linearized stability analysis around stationary solutions of the Mullins-Sekerka flow with $90^\circ$ contact angle in two space dimensions. The stationary solutions include flat interfaces, as well as arcs of…

偏微分方程分析 · 数学 2019-07-02 Harald Garcke , Maximilian Rauchecker

A general system of several ordinary differential equations coupled with a reaction-diffusion equation in a bounded domain with zero-flux boundary condition is studied in the context of pattern formation. These initial-boundary value…

偏微分方程分析 · 数学 2021-10-29 Szymon Cygan , Anna Marciniak-Czochra , Grzegorz Karch , Kanako Suzuki
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