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We prove global well-posedness of strong solutions and existence of the global attractor for the 2D Boussinesq system in a periodic channel with fractional Laplacian in subcritical case. The analysis reveals a relation between the Laplacian…

偏微分方程分析 · 数学 2015-04-06 Aimin Huang , Wenru Huo

Global well-posedness of strong solutions and existence of the global attractor to the initial and boundary value problem of 2D Boussinesq system in a periodic channel with non-homogeneous boundary conditions for the temperature and…

偏微分方程分析 · 数学 2014-03-07 Aimin Huang

Properties of an infinite system of nonlinearly coupled ordinary differential equations are discussed. This system models some properties present in the equations of motion for an inviscid fluid such as the skew symmetry and the…

偏微分方程分析 · 数学 2007-05-23 Alexey Cheskidov , Susan Friedlander , Natasa Pavlović

In this article we consider the Boussinesq system supplemented with some dissipation terms. These equations model the propagation of a waterwave in shallow water. We prove the existence of a global smooth attractor for the corresponding…

偏微分方程分析 · 数学 2007-05-23 Mostafa Abounouh , Abdelghafour Atlas , Olivier Goubet

In this article, we prove the finite dimensionality of the global attractor and estimate the numbers of the determining modes for the 2D Boussinesq system in a periodic channel with fractional Laplacian in subcritical case.

偏微分方程分析 · 数学 2016-09-07 Aimin Huang , Wenru Huo

We address the long-time behavior of the 2D Boussinesq system, which consists of the incompressible Navier-Stokes equations driven by a non-diffusive density. We construct globally persistent solutions on a smooth bounded domain, when the…

偏微分方程分析 · 数学 2025-02-12 Mustafa Sencer Aydın , Pranava Chaitanya Jayanti

We analyze the long-time behavior of solutions to a Navier-Stokes-Cahn-Hilliard system with chemotaxis effects and a solution-dependent mass source term. The fluid velocity satisfies the Navier-Stokes system, the phase field variable…

偏微分方程分析 · 数学 2024-12-31 Jingning He

The Cahn-Hilliard-Navier-Stokes system is based on a well-known diffuse interface model and describes the evolution of an incompressible isothermal mixture of binary fluids. A nonlocal variant consists of the Navier-Stokes equations…

偏微分方程分析 · 数学 2015-05-30 Sergio Frigeri , Maurizio Grasselli

By using the long-wave approximation, a system of coupled evolution equations for the bulk velocity and the surface perturbations of a B\'enard-Marangoni system is obtained. It includes nonlinearity, dispersion and dissipation, and it can…

patt-sol · 物理学 2009-10-22 R. A. Kraenkel , S. M. Kurcbart , J. G. Pereira , M. A. Manna

This work is focused on the dissipative system describing the dynamics of an extensible thermoelastic beam, where the dissipation is entirely contributed by the second equation ruling the evolution of the temperature. Under natural boundary…

动力系统 · 数学 2009-01-28 C. Giorgi , M. G. Naso , V. Pata , M. Potomkin

We consider the Rayleigh--B\'{e}nard problem for the three--dimensional Boussinesq system for the micropolar fluid. We introduce the notion of the multivalued eventual semiflow and prove the existence of the two-space global attractor…

数学物理 · 物理学 2020-10-28 Piotr Kalita , Grzegorz Łukaszewicz

The Boussinesq system for buoyancy driven fluids couples the momentum equation forced by the buoyancy with the convection-diffusion equation for the temperature. One fundamental issue on the Boussinesq system is the stability problem on…

偏微分方程分析 · 数学 2020-05-28 Oussama Ben Said , Uddhaba Raj Pandey , Jiahong Wu

In view of the possibility that the 3D Navier-Stokes equations (NSE) might not always have regular solutions, we introduce an abstract framework for studying the asymptotic behavior of multi-valued dissipative evolutionary systems with…

偏微分方程分析 · 数学 2007-05-23 Alexey Cheskidov , Ciprian Foias

The Navier-Stokes equation driven by heat conduction is studied. As a prototype we consider Rayleigh-B\'enard convection, in the Boussinesq approximation. Under a large aspect ratio assumption, which is the case in Rayleigh-B\'enard…

偏微分方程分析 · 数学 2015-06-26 Björn Birnir , Nils Svanstedt

We prove the existence of a global attractor for the Newton-Boussinesq equation defined in a two-dimensional channel. The asymptotic compactness of the equation is derived by the uniform estimates on the tails of solutions. We also…

数学物理 · 物理学 2009-01-08 Guglielmo Fucci , Bixiang Wang , Preeti Singh

We are concerned with the so-called Boussinesq equations with partial viscosity. These equations consist of the ordinary incompressible Navier-Stokes equations with a forcing term which is transported {\it with no dissipation} by the…

偏微分方程分析 · 数学 2008-06-26 R. Danchin , M. Paicu

We investigate the initial-value problem for the incompressible tangential Navier-Stokes equation with variable viscosity on a given two-dimensional surface without boundary. Existence of global weak and strong solutions under inhomogeneous…

偏微分方程分析 · 数学 2024-12-10 Andrea Poiatti , Ulisse Stefanelli

In this paper, we consider dynamics defined by the Navier-Stokes equations in the Oberbeck-Boussinesq approximation in a two dimensional domain. This model of fluid dynamics involve fundamental physical effects: convection, and diffusion.…

数学物理 · 物理学 2019-01-08 Sergey Vakulenko

In this paper we obtain the existence of global attractors for the dynamical systems generated by weak solution of the three-dimensional Navier-Stokes equations with damping. We consider two cases, depending on the values of the parameters…

偏微分方程分析 · 数学 2025-07-30 Daniel Pardo , José Valero , Ángel Giménez

In this paper, we study the long-time behaviour of solutions of Cauchy problem for the parabolic $p$-Laplacian equation with variable coefficients. Under mild conditions on the coefficient of the principal part and without upper growth…

偏微分方程分析 · 数学 2012-04-11 Pelin Geredeli , Azer Khanmamedov
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