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相关论文: Regular solutions to the dissipative Aw-Rascle sys…

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This paper address the approximation of the dynamic of two fluids with non matching densities and viscosities modeled by the Allen-Cahn equation coupled with the time dependent Navier-Stokes equations. Existence, uniqueness and a maximum…

偏微分方程分析 · 数学 2019-02-15 J. Deteix , G. L. Ndetchoua Kouamo , D. Yakoubi

We establish regularity and, under suitable assumptions, convergence to stationary states for weak solutions of a parabolic equation with a non-linear non-local drift term; this equation was derived from a model of active Brownian particles…

偏微分方程分析 · 数学 2024-03-15 Luca Alasio , Jessica Guerand , Simon Schulz

In this paper we present a numerical method for hydrodynamic models that arise from time dependent density functional theories of freezing. The models take the form of compressible Navier-Stokes equations whose pressure is determined by the…

数值分析 · 数学 2016-01-20 Arvind Baskaran , Zhen Guan , John Lowengrub

We investigate the regularity of local weak solutions to evolution equations of the form \[…

偏微分方程分析 · 数学 2026-04-23 Pasquale Ambrosio , Simone Ciani , Giovanni Cupini

We investigate a diffuse-interface model that describes the dynamics of incompressible two-phase viscous flows with surfactant. The resulting system of partial differential equations consists of a sixth-order Cahn-Hilliard equation for the…

偏微分方程分析 · 数学 2023-07-28 Andrea Di Primio , Maurizio Grasselli , Hao Wu

We show existence and uniqueness of strong solutions to a Navier-Stokes/Cahn-Hilliard type system on a given two-dimensional evolving surface in the case of different densities and a singular (logarithmic) potential. The system describes a…

偏微分方程分析 · 数学 2024-08-15 Helmut Abels , Harald Garcke , Andrea Poiatti

The paper deals with the existence and almost periodic homogenization of some model of generalized Navier-Stokes equations. We first establish an existence result for non-stationary Ladyzhenskaya equations with a given non constant density.…

偏微分方程分析 · 数学 2012-08-17 Hermann Douanla , Jean Louis Woukeng

We consider the Cauchy problem for a class of nonlinear degenerate parabolic equa- tion with forcing. By using the vanishing viscosity method we obtain generalized solutions. We prove some regularity results about this generalized…

偏微分方程分析 · 数学 2014-12-02 Eric Hernandez Sastoque , Juan C. Juajibioy , Christian Klingenberg , Leonardo RendÓn

In this work we study a degenerate pseudo-parabolic system with cross diffusion describing the evolution of the densities of an unsaturated two-phase flow mixture with dynamic capillary pressure in porous medium with saturation-dependent…

偏微分方程分析 · 数学 2019-05-27 Esther S. Daus , Josipa-Pina Milišić , Nicola Zamponi

Toward P.-L. Lions' open question in \cite{Lions96} concerning the propagation of regularity for density patch, we establish the global existence of solutions to the 2-D inhomogeneous incompressible Navier-Stokes system with initial density…

偏微分方程分析 · 数学 2016-03-23 Xian Liao , Ping Zhang

We prove global existence of weak solutions for a version of one velocity Baer-Nunziato system with dissipation describing a mixture of two non interacting viscous compressible fluids in a piecewise regular Lipschitz domain with general…

偏微分方程分析 · 数学 2021-05-12 Stanislav Kracmar , Young-Sam Kwon , Sarka Necasova , Antonin Novotny

We are concerned with compressible magneto-micropolar fluid equations (1.1)-(1.2). The global existence and large time behaviour of solutions near a constant state to the magneto-micropolar-Navier-Stokes-Poisson (MMNSP) system is…

偏微分方程分析 · 数学 2019-06-19 Cuiman Jia , Zhong Tan , Jianfeng Zhou

Localisation limits and nonlocal approximations of degenerate parabolic systems have experienced a renaissance in recent years. However, only few results cover anisotropic systems. This work addresses this gap by establishing the…

偏微分方程分析 · 数学 2024-12-31 Tomasz Dębiec , Markus Schmidtchen

In this article we investigate the existence, uniqueness and exponential decay of asymptotically almost periodic solutions of the parabolic-elliptic Keller-Segel system on a real hyperbolic manifold. We prove the existence and uniqueness of…

偏微分方程分析 · 数学 2024-05-27 Pham Truong Xuan , Tran Van Thuy , Nguyen Thi Van

First, the solution uniqueness, existence and regularity for stationary anisotropic (linear) Stokes and generalised Oseen systems with constant viscosity coefficients in a compressible framework are analysed in a range of periodic Sobolev…

偏微分方程分析 · 数学 2023-05-24 Sergey E. Mikhailov

We study a coupled system of two parabolic equations in one space dimension. This system is singular because of the presence of one term with the inverse of the gradient of the solution. Our system describes an approximate model of the…

偏微分方程分析 · 数学 2009-03-06 H. Ibrahim , M. Jazar , R. Monneau

We consider several models of nonlinear wave equations subject to very strong damping and quasi-periodic external forcing. This is a singular perturbation, since the damping is not the highest order term. We study the existence of response…

偏微分方程分析 · 数学 2015-01-27 Renato C. Calleja , Alessandra Celletti , Livia Corsi , Rafael de la Llave

We study the asymptotic behavior of solutions to wave equations with a structural damping term \[ u_{tt}-\Delta u+\Delta^2 u_t=0, \qquad u(0,x)=u_0(x), \,\,\, u_t(0,x)=u_1(x), \] in the whole space. New thresholds are reported in this paper…

偏微分方程分析 · 数学 2019-07-23 Tomonori Fukushima , Ryo Ikehata , Hironori Michihisa

This paper addresses the existence and regularity of weak solutions for a fully parabolic model of chemotaxis, with prevention of overcrowding, that degenerates in a two-sided fashion, including an extra nonlinearity represented by a…

偏微分方程分析 · 数学 2015-05-13 Mostafa Bendahmane , Raimund Brger , Ricardo Ruiz Baier , José Miguel Urbano

In this paper, we prove that if a solution to the Muskat problem with different densities and the same viscosity is sufficiently smooth, the solution is analytic in a region that degenerates at the turnover points, provided some additional…

偏微分方程分析 · 数学 2023-10-24 Jia Shi
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