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This paper considers the temperature patch problem for the incompressible Boussinesq system with no diffusion and viscosity in the whole space $\mathbb{R}^2$. We prove that for initial patches with $W^{2,\infty}$ boundary the curvature…

Analysis of PDEs · Mathematics 2016-12-01 Francisco Gancedo , Eduardo Garcia-Juarez

In this paper we address the temperature patch problem of the 2D viscous Boussinesq system without heat diffusion term. The temperature satisfies the transport equation and the initial data of temperature is given in the form of…

Analysis of PDEs · Mathematics 2021-10-29 Dongho Chae , Qianyun Miao , Liutang Xue

We prove global regularity and study the infinite Prandtl number limit of temperature patches for the 2D non-diffusive Boussinesq system with dissipation in the full subcritical regime. The temperature satisfies a transport equation and the…

Analysis of PDEs · Mathematics 2024-05-06 Omar Lazar , Liutang Xue , Jiakun Yang

In our recent work dedicated to the Boussinesq equations [Danchin and Zhang 2016], we established the persistence of solutions with piecewise constant temperature along interfaces with H\"older regularity. We here address the same problem…

Analysis of PDEs · Mathematics 2016-12-02 Raphaël Danchin , Xin Zhang

This paper is about the dynamics of non-diffusive temperature fronts evolving by the incompressible viscous Boussinesq system in $\mathbb{R}^3$. We provide local in time existence results for initial data of arbitrary size. Furthermore, we…

Analysis of PDEs · Mathematics 2025-01-24 Francisco Gancedo , Eduardo García-Juárez

In this paper, we prove that temperature patch solutions to the subcritical Boussinesq-Navier-Stokes System with no diffusion preserve the H\"older regularity of their boundary for all time, which generalises the previously known result by…

Analysis of PDEs · Mathematics 2020-07-30 Calvin Khor , Xiaojing Xu

We study the temperature front problem for the 3D viscous Boussinesq equation. We prove that the $C^{k,\gamma}$ ($k\geq 1$, $0<\gamma< 1$) and $W^{2,\infty}$ regularity of a temperature front is locally preserved along the evolution as well…

Analysis of PDEs · Mathematics 2022-05-23 Omar Lazar , Yatao Li , Liutang Xue

In this paper, we construct an example of temperature patch solutions for the two-dimensional, incompressible Boussinesq system with kinematic viscosity such that both the curvature and perimeter grow to infinity over time. The presented…

Analysis of PDEs · Mathematics 2024-03-12 Jaemin Park

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…

Analysis of PDEs · Mathematics 2025-02-12 Mustafa Sencer Aydın , Pranava Chaitanya Jayanti

In this paper, we investigate the global existence and uniqueness of strong solutions to 2D Boussinesq system with anisotropic thermal diffusion or anisotropic viscosity and with striated initial data. Using the key idea of Chemin to solve…

Analysis of PDEs · Mathematics 2020-01-29 Marius Paicu , Ning Zhu

We address the well-posedness for the two-dimensional Boussinesq equations with zero diffusivity in bounded domains. We prove global in time regularity for rough initial data: both the initial velocity and temperature have $\epsilon$…

Analysis of PDEs · Mathematics 2020-08-05 Daoguo Zhou

Inspired by the recently published paper \cite{Hassainia-Hmidi}, the current paper investigates the local well-posedness for the generalized $2d-$Boussinesq system in the setting of regular/singular vortex patch. Under the condition that…

Analysis of PDEs · Mathematics 2020-05-26 Oussama Melkemi , Mohamed Zerguine

This work examines the dynamics of density patches in the 2D zero-diffusivity Boussinesq system modified such that momentum is in a large Prandtl number balance. We establish the global well-posedness of this system for compactly supported…

Analysis of PDEs · Mathematics 2023-08-16 Hezekiah Grayer

We establish global-posedness in time for the viscous Boussinesq equations in two dimensions of space with temperature-dependent diffusivity in the framework of a smooth vortex patch. We also provide the inviscid limit for velocity,…

Analysis of PDEs · Mathematics 2021-01-19 Mohamed Zerguine , Youssouf Maafa

This paper is devoted to the study of the Cauchy problem for the Boussinesq system with partial viscosity in dimension $N\geq3.$ First we prove a global existence result for data in Lorentz spaces satisfying a smallness condition which is…

Analysis of PDEs · Mathematics 2009-11-13 R. Danchin , M. Paicu

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

The present work is devoted to proving that the boundary regularity of the three dimensional density patch persists by time evolution for inhomogeneous incompressible viscous flow, with some smallness condition on the initial velocity.

Analysis of PDEs · Mathematics 2017-11-20 Xian Liao , Yanlin Liu

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…

Analysis of PDEs · Mathematics 2016-03-23 Xian Liao , Ping Zhang

This paper examines the question for global regularity for the Boussinesq equation with critical fractional dissipation. The main result states that the system admits global regular solutions for all (reasonably) smooth and decaying data,…

Analysis of PDEs · Mathematics 2016-10-18 Fazel Hadadifard , Atanas Stefanov

This paper is about Lions' open problem on density patches \cite{LIONS}: whether inhomogeneous incompressible Navier-Stokes equations preserve the initial regularity of the free boundary given by density patches. Using classical Sobolev…

Analysis of PDEs · Mathematics 2017-04-03 Francisco Gancedo , Eduardo Garcia-Juarez
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