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We study a three-dimensional rapidly rotating convection model featuring tall columnar structures, in the absence of thermal diffusion. We establish the global existence and uniqueness of weak solutions, as well as the Hadamard…

偏微分方程分析 · 数学 2025-07-23 Chongsheng Cao , Yanqiu Guo , Edriss S. Titi

We analyze a three-dimensional rapidly rotating convection model of tall columnar structure in the limit of infinite Prandtl number, i.e., when the momentum diffusivity is much more dominant than the thermal diffusivity. Consequently, the…

偏微分方程分析 · 数学 2020-03-10 Chongsheng Cao , Yanqiu Guo , Edriss S. Titi

In this paper, we study a hydrodynamic system modeling the deformation of vesicle membranes in incompressible viscous fluids. The system consists of the Navier-Stokes equations coupled with a fourth order phase-field equation. In the three…

偏微分方程分析 · 数学 2013-02-26 Hao Wu , Xiang Xu

We establish, for smooth enough initial data, the global well-posedness (existence, uniqueness and continuous dependence on initial data) of solutions, for an inviscid three-dimensional {\it slow limiting ocean dynamics} model. This model…

偏微分方程分析 · 数学 2013-11-26 Chongsheng Cao , Aseel Farhat , Edriss S. Titi

A lubrication model can be used to describe the dynamics of a weakly volatile viscous fluid layer on a hydrophobic substrate. Thin layers of the fluid are unstable to perturbations and break up into slowly evolving interacting droplets. A…

流体动力学 · 物理学 2024-01-18 Hangjie Ji , Thomas P. Witelski

We consider a thermodynamically consistent model for the evolution of thermally conducting two-phase incompressible fluids. Complementing previous results, we prove additional regularity properties of solutions in the case when the…

偏微分方程分析 · 数学 2017-08-04 Michela Eleuteri , Stefania Gatti , Giulio Schimperna

In this paper we study a coupled system modeling the movement of a deformable solid immersed in a fluid. For the solid we consider a given deformation that has to obey several physical constraints. The motion of the fluid is modeled by the…

偏微分方程分析 · 数学 2014-07-08 Sébastien Court

In this paper, we investigate a three-dimensional fluid-particle coupled model. % in whole space $\mathbb{R}^3$. This model combines the full compressible Navier-Stokes equations with the Vlasov-Fokker-Planck equation via the momentum and…

偏微分方程分析 · 数学 2024-08-27 Fucai Li , Jinkai Ni , Man Wu

We consider a nonlocal nonlinear model with fractional diffusion motivated by studies of electroconvection phenomena in incompressible viscous fluids. We address the global well-posedness, global regularity and long time dynamics of the…

偏微分方程分析 · 数学 2023-10-02 E. Abdo , M. Ignatova

We report numerical investigations of wave turbulence in a vibrating plate. The possibility to implement advanced measurement techniques and long time numerical simulations makes this system extremely valuable for wave turbulence studies.…

软凝聚态物质 · 物理学 2017-10-25 Nicolas Mordant , Benjamin Miquel

The paper continues a series of publications devoted to the 3D nonlinear localized coherent structures on the surface of vertically falling liquid films. The work is primarily focussed on experimental investigations. We study: (i)…

流体动力学 · 物理学 2015-05-18 E. A. Demekhin , E. N. Kalaidin , A. S. Selin

We consider the flow of a Newtonian fluid in a three-dimensional domain, rotating about a vertical axis and driven by a vertically invariant horizontal body-force. This system admits vertically invariant solutions that satisfy the 2D…

流体动力学 · 物理学 2023-07-19 Basile Gallet

The global scales of solar convection are studied through three-dimensional simulations of compressible convection carried out in spherical shells of rotating fluid which extend from the base of the convection zone to within 15 Mm of the…

天体物理学 · 物理学 2009-11-13 Mark S. Miesch , Allan Sacha Brun , Marc L. Derosa , Juri Toomre

We study a dissipative system of nonlinear and nonlocal equations modeling the flow of electrohydrodynamics. The existence, uniqueness and regularity of solutions is proven for general $\mathbf{L}^2$ initial data in two space dimensions and…

偏微分方程分析 · 数学 2009-10-28 Rolf J. Ryham

In this paper, we mainly study the global strong solutions and its long time decay rates of all order spatial derivatives to a micro-macro model for compressible polymeric fluids with small initial data. This model is a coupling of…

偏微分方程分析 · 数学 2022-10-31 Wenjie Deng , Wei Luo , Zhaoyang Yin

In this paper, we study the three-dimensional non-isentropic compressible fluid-particle flows. The system involves coupling between the Vlasov-Fokker-Planck equation and the non-isentropic compressible Navier-Stokes equations through…

偏微分方程分析 · 数学 2019-04-18 Yanmin Mu , Dehua Wang

A kinetic-fluid model describing the evolutions of disperse two-phase flows is considered. The model consists of the Vlasov-Fokker-Planck equation for the particles (disperse phase) coupled with the compressible Navier-Stokes equations for…

偏微分方程分析 · 数学 2017-04-06 Fucai Li , Yanmin Mu , Dehua Wang

We study the unsteady incompressible Navier-Stokes equations in three dimensions interacting with a non-linear flexible shell of Koiter type. This leads to a coupled system of non-linear PDEs where the moving part of the boundary is an…

偏微分方程分析 · 数学 2022-11-15 Boris Muha , Sebastian Schwarzacher

In the rapidly rotating limit, we derive a balanced set of reduced equations governing the strongly nonlinear development of the convective wall-mode instability in the interior of a general container. The model illustrates that wall-mode…

In this paper, we are concerned with the global existence and optimal rates of strong solutions for three-dimensional compressible viscoelastic flows. We prove the global existence of the strong solutions by the standard energy method under…

偏微分方程分析 · 数学 2012-09-26 Xianpeng Hu , Guochun Wu
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