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We consider the equations which describe polytropic one-dimensional flows of viscous compressible multifluids. We prove global existence and uniqueness of a solution to the initial-boundary value problem which corresponds to the flow in a…

偏微分方程分析 · 数学 2019-02-20 Alexander Mamontov , Dmitriy Prokudin

We consider the initial-boundary-value problem of the isentropic compressible Navier-Stokes-Poisson equations subject to large and non-flat doping profile in 3D bounded domain with slip boundary condition and vacuum. The global…

偏微分方程分析 · 数学 2021-03-08 Yazhou Chen , Bin Huang , Xiaoding Shi

This paper is concerned with an initial-boundary value problem of the two-dimensional inhomogeneous primitive equations with density-dependent viscosity. The global well-posedness of strong solutions is established, provided the initial…

偏微分方程分析 · 数学 2024-03-04 Quansen Jiu , Lin Ma , Fengchao Wang

We consider the abstract initial value problem for the system of evolution equations which describe motion of incompressible viscous and heat-conductive fluids in a bounded domain. It is difficulty of our problem that we do not neglect the…

偏微分方程分析 · 数学 2010-06-07 Ryôhei Kakizawa

We study an initial-boundary value problem for the incompressible Navier-Stokes-Cahn-Hilliard system with non-constant density proposed by Abels, Garcke and Gr\"{u}n in 2012. This model arises in the diffuse interface theory for binary…

偏微分方程分析 · 数学 2023-02-21 Helmut Abels , Harald Garcke , Andrea Giorgini

In this paper, we are concerned with the tridimensional anisotropic Boussinesq equations which can be described by {equation*} {{array}{ll} (\partial_{t}+u\cdot\nabla)u-\kappa\Delta_{h} u+\nabla \Pi=\rho…

偏微分方程分析 · 数学 2014-05-30 Changxing Miao , Xiaoxin Zheng

In this paper we are concerned with a nonlocal system to model the propagation of internal waves in a two-layer interface problem with rigid lid assumption and under a Boussinesq regime for both fluids. The main goal is to investigate…

偏微分方程分析 · 数学 2017-12-22 A. Duran

We study the global existence issue for the two-dimensional Boussinesq system with horizontal viscosity in only one equation. We first examine the case where the Navier-Stokes equation with no vertical viscosity is coupled with a transport…

偏微分方程分析 · 数学 2013-02-27 Raphaël Danchin , Marius Paicu

In this paper, we consider the initial-boundary value problem of the nonhomogeneous primitive equations with density-dependent viscosity. Local well-posedness of strong solutions is established for this system with a natural compatibility…

偏微分方程分析 · 数学 2024-04-29 Quansen Jiu , Lin Ma , Fengchao Wang

We consider a rigid body freely moving in a compressible inviscid fluid within a bounded domain $\Omega\subset\mathbb{R}^3$. The fluid is thereby governed by the non necessarily isentropic compressible Euler equations, while the rigid body…

偏微分方程分析 · 数学 2025-12-11 Frédéric Rousset , Pei Su

We consider a Boussinesq system describing one-dimensional internal waves which develop at the boundary between two immiscible fluids, and we restrict to its traveling waves. The method which yields explicitly all the elliptic or degenerate…

斑图形成与孤子 · 物理学 2017-10-18 Hai Yen Nguyen , Fre'de'ric Dias , Robert Conte

We consider the strong and weak solutions to the Cauchy problem of the inhomogeneous incompressible nematic liquid crystal equations in two dimensions. We first establish the local existence and uniqueness of strong solutions by using the…

偏微分方程分析 · 数学 2015-03-13 Jinkai Li

We consider the Cauchy problem to the 3D barotropic compressible Navier-Stokes equation. We prove global well-posedness, assuming that the initial data $(\rho_0-1,u_0)$ has small norms in the critical Besov space…

偏微分方程分析 · 数学 2025-09-23 Zihua Guo , Zihao Song , Minghua Yang

In this paper, we study the initial boundary value problem for the nonlinear wave equation with combined power-type nonlinearities with variable coefficients. The global behavior of the solutions with non-positive and sub-critical energy is…

偏微分方程分析 · 数学 2023-10-31 Milena Dimova , Natalia Kolkovska , Nikolai Kutev

We investigate a hydrodynamic system of Navier--Stokes/Cahn--Hilliard type, which describes the motion of a two-phase flow of two incompressible fluids with unmatched densities coupled with a soluble chemical species. Derived from Onsager's…

偏微分方程分析 · 数学 2025-12-30 Andrea Giorgini , Jingning He , Hao Wu

In this study, the numerical analysis of a specific fluid-solid interaction problem is detailed. The weakly nonlinear Boussinesq system is considered with the addition of a solid object lying on the flat bottom, allowed to move horizontally…

数值分析 · 数学 2018-05-21 Krisztian Benyo

A fluid-particle system of the inhomogeneous Navier-Stokes equations and Vlasov equation in the three dimensional space is considered in this paper. The coupling arises from the drag force in the fluid equations and the acceleration in the…

偏微分方程分析 · 数学 2013-04-18 Dehua Wang , Cheng Yu

We prove the global well-posedness of three dimensional compressible Navier-Stokes equations for some classes of large initial data, which is of large oscillation for the density and large energy for the velocity. The structure of the…

偏微分方程分析 · 数学 2011-11-15 Chao Wang , Wei Wang , Zhifei Zhang

In this paper, we study the barotropic compressible magnetohydrodynamic equations with the shear viscosity being a positive constant and the bulk one being proportional to a power of the density in a general two-dimensional bounded simply…

偏微分方程分析 · 数学 2022-01-19 Yazhou Chen , Bin Huang , Xiaoding Shi

We address semigroup well-posedness of the fluid-structure interaction of a linearized compressible, viscous fluid and an elastic plate (in the absence of rotational inertia). Unlike existing work in the literature, we linearize the…

偏微分方程分析 · 数学 2017-06-09 George Avalos , Pelin G. Geredeli , Justin T. Webster