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In this paper, we study the global well-posedness of the two dimensional rescaled anisotropic MHD system and also to the hydrostatic MHD with no slip boundary condition in a strip, for small initial data, which are analytic in the…

Analysis of PDEs · Mathematics 2022-01-05 Nacer Aarach

In this paper we justify the hydrostatic approximation of the primitive equations in the maximal $L^p$-$L^q$-setting in the three-dimensional layer domain $\Omega = \Torus^2 \times (-1, 1)$ under the no-slip (Dirichlet) boundary condition…

Analysis of PDEs · Mathematics 2020-06-04 Ken Furukawa , Yoshikazu Giga , Takahito Kashiwabara

In this paper, we first prove the global well-posedness of a scaled anisotropic Navier-Stokes system and the hydrostatic Navier-Stokes system in a 2-D striped domain with small analytic data in the tangential variable. Then we justify the…

Analysis of PDEs · Mathematics 2019-04-10 M. Paicu , P. Zhang , Z. Zhang

The primitive equations are derived from the $3D$-Navier-Stokes equations by the hydrostatic approximation. Formally, assuming an $\varepsilon$-thin domain and anisotropic viscosities with vertical viscosity…

Analysis of PDEs · Mathematics 2025-02-27 Ken Furukawa , Yoshikazu Giga , Matthias Hieber , Amru Hussein , Takahito Kashiwabara , Marc Wrona

We consider the hyperbolic version of three-dimensional anisotropic Naver-Stokes equations in a thin strip and its hydrostatic limit that is a hyperbolic Prandtl type equations. We prove the global-in-time existence and uniqueness for the…

Analysis of PDEs · Mathematics 2022-04-21 Wei-Xi Li , Tong Yang

In this paper, we improve the global existence result in [9] slightly. More precisely, the global existence of strong solutions to the primitive equations with only horizontal viscosity and diffusivity is obtained under the assumption of…

Analysis of PDEs · Mathematics 2022-03-23 Xueke Pu , Wenli Zhou

In this paper we study the hydrostatic limit of the Navier-Stokes-alpha model in a very thin striped domain. We derive some Prandtl-type limit equations for this model and we prove the global well-posedness of the limit system for small…

Analysis of PDEs · Mathematics 2021-10-05 Léo Glangetas , Van-Sang Ngo , El Mehdi Said

In this paper, we study a hyperbolic version of the Navier-Stokes equations, obtained by using the approximation by relaxation of the Euler system, evolving in a thin strip domain. The formal limit of these equations is a hyperbolic Prandtl…

Analysis of PDEs · Mathematics 2023-01-19 Nacer Aarach

This article develops the hydrostatic Lagrangian approach to the compressible primitive equations. A fundamental aspect in the analysis is the investigation of the compressible hydrostatic Lam\'{e} and Stokes operators. Local strong…

Analysis of PDEs · Mathematics 2025-02-07 Matthias Hieber , Yoshiki Iida , Arnab Roy , Tarek Zöchling

This paper investigates the large-time behavior of a buoyancy-driven fluid without thermal diffusion under Navier-slip boundary conditions in a bounded domain with Lipschitz-continuous second derivatives. After establishing improved…

Analysis of PDEs · Mathematics 2025-02-14 Fabian Bleitner , Elizabeth Carlson , Camilla Nobili

In this paper we consider the 3D co-rotational Beris-Edwards system modeling the hydrodynamic motion of nematic liquid crystals in a thin strip. The system contains the incompressible Navier-Stokes, coupled with a parabolic system for…

Analysis of PDEs · Mathematics 2024-11-15 Francesco De Anna , Xingyu Li , Marius Paicu , Arghir Zarnescu

In this paper, we provide rigorous justification of the hydrostatic approximation and the derivation of primitive equations as the small aspect ratio limit of the incompressible three-dimensional Navier-Stokes equations in the anisotropic…

Analysis of PDEs · Mathematics 2021-06-02 Jinkai Li , Edriss S. Titi , Guozhi Yuan

A semi-explicit formula of solution to the boundary layer system for thermal layer derived from the compressible Navier-Stokes equations with the non-slip boundary condition when the viscosity coefficients vanish is given, in particular in…

Analysis of PDEs · Mathematics 2016-08-10 Cheng-Jie Liu , Ya-Guang Wang , Tong Yang

Motivated by lubrication problems, we consider a micropolar uid ow in a 2D domain with a rough and free boundary. We assume that the thickness and the roughness are both of order 0 < " << 1. We prove the existence and uniqueness of a…

Analysis of PDEs · Mathematics 2013-09-20 Mahdi Boukrouche , Laetitia Paoli

We study the hydrodynamic viscous electronic transport in a two-dimensional sample separated into two semi-infinite planes by a one-dimensional infinite barrier. The semi-infinite planes are electrically connected via the finite-size slit…

Mesoscale and Nanoscale Physics · Physics 2022-12-21 Daniil Asafov , Valentin Kachorovskii , Konstantin Tikhonov , Gu Zhang

The three--dimensional incompressible viscous Boussinesq equations, under the assumption of hydrostatic balance, govern the large scale dynamics of atmospheric and oceanic motion, and are commonly called the primitive equations. To overcome…

Analysis of PDEs · Mathematics 2010-10-27 Chongsheng Cao , Edriss S. Titi

In this paper, we consider the initial-boundary value problem of the 3D primitive equations for planetary oceanic and atmospheric dynamics with only horizontal eddy viscosity in the horizontal momentum equations and only horizontal…

Analysis of PDEs · Mathematics 2014-06-10 Chongsheng Cao , Jinkai Li , Edriss S. Titi

This paper investigates the stability and bifurcation of the two-dimensional viscous primitive equations with full diffusion under thermal forcing. The system governs perturbations about a motionless basic state with a linear temperature…

Analysis of PDEs · Mathematics 2025-12-16 Song Jiang , Quan Wang

The hydrostatic primitive equations (HPE) form the basis of most numerical weather, climate and global ocean circulation models. Analytical (not statistical) methods are used to find a scaling proportional to $(Nu\,Ra\,Re)^{1/4}$ for the…

Chaotic Dynamics · Physics 2011-09-16 J. D. Gibbon , D. D. Holm

The three-dimensional (3D) full compressible magnetohydrodynamic system is studied in a general bounded domain with slip boundary condition for the velocity filed, adiabatic condition for the temperature and perfect conduction for the…

Analysis of PDEs · Mathematics 2022-08-10 Yazhou Chen , Yunkun Chen , Xue Wang
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