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In this paper, we consider the initial-boundary value problem of the viscous 3D primitive equations for oceanic and atmospheric dynamics with only vertical diffusion in the temperature equation. Local and global well-posedness of strong…

Analysis of PDEs · Mathematics 2015-06-18 Chongsheng Cao , Jinkai Li , Edriss S. Titi

This paper is devoted to reviewing several recent developments concerning certain class of geophysical models, including the primitive equations (PEs) of atmospheric and oceanic dynamics and a tropical atmosphere model. The PEs for…

Analysis of PDEs · Mathematics 2016-04-07 Jinkai Li , Edriss S. Titi

In this article, we address both recent advances and open questions in some mathematical and computational issues in geophysical fluid dynamics (GFD) and climate dynamics. The main focus is on 1) the primitive equations (PEs) models and…

Mathematical Physics · Physics 2009-03-12 Jianping Li , Shouhong Wang

In this paper, we consider the global existence and uniqueness of the classical solutions for the 3D viscous liquid-gas two-phase flow model. Initial data is only small in the energy-norm. Our main ideas come from [15] where the existence…

Analysis of PDEs · Mathematics 2015-06-03 Haibo Cui , Huanyao Wen , Haiyan Yin

We study fully nonlinear second-order (forward) stochastic partial differential equations (SPDEs). They can also be viewed as forward path-dependent PDEs (PPDEs) and will be treated as rough PDEs (RPDEs) under a unified framework. We…

Probability · Mathematics 2018-10-02 Rainer Buckdahn , Christian Keller , Jin Ma , Jianfeng Zhang

First, a new sufficient condition for uniqueness of weak solutions is proved for the system of 2D viscous Primitive Equations. Second, global existence and uniqueness are established for several classes of weak solutions with partial…

Analysis of PDEs · Mathematics 2018-08-10 Ning Ju

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 develop a convex integration scheme for constructing nonunique weak solutions to the hydrostatic Euler equations (also known as the inviscid primitive equations of oceanic and atmospheric dynamics) in both two and three dimensions. We…

Analysis of PDEs · Mathematics 2024-05-28 Daniel W. Boutros , Simon Markfelder , Edriss S. Titi

We establish the local and global well-posedness of strong solutions to the two- and three-dimensional anelastic equations of stratified viscous flows. In this model, the interaction of the density profile with the velocity field is taken…

Analysis of PDEs · Mathematics 2020-07-15 Xin Liu , Edriss S. Titi

In this work we consider a stochastic version of the Primitive Equations (PEs) of the ocean and the atmosphere and establish the existence and uniqueness of pathwise, strong solutions. The analysis employs novel techniques in contrast to…

Analysis of PDEs · Mathematics 2010-12-10 Nathan Glatt-Holtz , Roger Temam

We consider the two-phase flow model with slip boundary condition in a 3D exterior domains whose boundary is smooth. We establish the global existence of classical solutions of this system provided that the initial energy is suitably small.…

Analysis of PDEs · Mathematics 2022-11-16 Zilai Li , Hao Liu , Huaqiao Wang

The stochastics two-layer quasi-geostrophic flow model is an intermediate system between the single-layer two dimensional barotropic flow model and the continuously stratified three dimensional baroclinic flow model. This model is widely…

Dynamical Systems · Mathematics 2008-10-17 Aijun Du , Jinqiao Duan , Hongjun Gao

In this paper, we consider the initial-boundary value problem to the three-dimensional primitive equations for the oceanic and atmospheric dynamics with only horizontal eddy viscosities in the horizontal momentum equations and only vertical…

Analysis of PDEs · Mathematics 2024-08-14 Chongsheng Cao , Jinkai Li , Edriss S. Titi , Dong Wang

In this paper we prove the global existence and uniqueness (regularity) of strong solutions to the three-dimensional viscous primitive equations, which model large scale ocean and atmosphere dynamics.

Analysis of PDEs · Mathematics 2007-05-23 Chongsheng Cao , Edriss S. Titi

In this paper, we investigate how weakening the classical hydrostatic balance hypothesis impacts the well-posedness of the stochastic LU primitive equations. The models we consider are intermediate between the incompressible 3D LU…

Analysis of PDEs · Mathematics 2026-01-12 Arnaud Debussche , Étienne Mémin , Antoine Moneyron

The primitive equations (PEs) model large scale dynamics of the oceans and the atmosphere. While it is by now well-known that the three-dimensional viscous PEs is globally well-posed in Sobolev spaces, and that there are solutions to the…

Analysis of PDEs · Mathematics 2021-12-21 Charles Collot , Slim Ibrahim , Quyuan Lin

It is shown how a complete set of hydrodynamic equations describing an unsteady three-dimensional viscous flow nearby a solid body, can be reduced to a closed system of surface equations using the method of dimension reduction of…

Fluid Dynamics · Physics 2014-08-04 Maxim Zaytsev , Vyacheslav Akkerman

In this paper, we consider the initial-boundary value problem of the 3D primitive equations for oceanic and atmospheric dynamics with only horizontal diffusion in the temperature equation. Global well-posedness of strong solutions are…

Analysis of PDEs · Mathematics 2014-01-08 Chongsheng Cao , Jinkai Li , Edriss S. Titi

The primitive equations for geophysical flows are studied under the influence of {\em stochastic wind driven boundary conditions} modeled by a cylindrical Wiener process. We adapt an approach by Da Prato and Zabczyk for stochastic boundary…

Probability · Mathematics 2025-02-27 Tim Binz , Matthias Hieber , Amru Hussein , Martin Saal

We introduce second-gradient models for incompressible viscous fluids, building on the framework introduced by Fried and Gurtin. We propose a new and simple constitutive relation for the hyperpressure to ensure that the models are both…

Analysis of PDEs · Mathematics 2026-03-25 C. Balitactac , C. Rodriguez
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