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Related papers: The classical Boussinesq system revisited

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The Boussinesq-Peregrine system is derived from the water waves system in presence of topographic variation under the hypothesis of shallowness and small amplitude regime. The system becomes significantly simpler (at least in the…

Analysis of PDEs · Mathematics 2024-06-10 Luc Molinet , Raafat Talhouk

The global regularity problem for the Boussinesq system is a well known open problem in mathematical fluid dynamics. As a follow up to our work \cite{EJSI}, we give examples of finite-energy and Lipschitz continuous velocity field and…

Analysis of PDEs · Mathematics 2018-02-27 Tarek M. Elgindi , In-Jee Jeong

The current paper is principally motivated by establishing the global well-posedness to the three-dimensional Boussinesq system with zero diffusivity in the setting of axisymmetric flows without swirling with $v_0\in…

Analysis of PDEs · Mathematics 2020-03-02 Haroune Houamed , Mohamed Zerguine

The global regularity problem concerning the inviscid Boussinesq equations remains an open problem. In an attempt to understand this problem, we examine the damped Boussinesq equations and study how damping affects the regularity of…

Analysis of PDEs · Mathematics 2019-09-19 Jinlu Li , Xing Wu , Weipeng Zhu

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

As a continuation of the previous work [40], in this paper we focus on the Cauchy problem of the two-dimensional (2D) incompressible Boussinesq equations with fractional Laplacian dissipation. We give an elementary proof of the global…

Analysis of PDEs · Mathematics 2016-01-27 Zhuan Ye , Xiaojing Xu

The two-dimensional (2D) incompressible Euler equations have been thoroughly investigated and the resolution of the global (in time) existence and uniqueness issue is currently in a satisfactory status. In contrast, the global regularity…

Analysis of PDEs · Mathematics 2013-08-09 Dhanapati Adhikari , Chongsheng Cao , Jiahong Wu , Xiaojing Xu

The linearization of the classical Boussinesq system is solved explicitly in the case of nonzero boundary conditions on the half-line. The analysis relies on the unified transform method of Fokas and is performed in two different…

Analysis of PDEs · Mathematics 2020-12-07 C. M. Johnston , Clarence T. Gartman , Dionyssios Mantzavinos

This paper focuses on the global solvability for the Boussinesq system with fractional Laplacian $(-\Delta)^{\alpha}$ in $\mathbb{R}^{n}$ for $n\geq3$. It proves the existence of a small positive number $\varepsilon=\varepsilon(n,\alpha)$…

Analysis of PDEs · Mathematics 2024-04-09 Huiyang Zhang , Shuokai Yan , Qinghua Zhang

This paper examines the global regularity problem on the two-dimensional incompressible Boussinesq equations with fractional dissipation, given by $\Lambda^\alpha u$ in the velocity equation and by $\Lambda^\beta \theta$ in the temperature…

Analysis of PDEs · Mathematics 2015-03-03 Atanas Stefanov , Jiahong Wu

In this paper, we consider the viscous, incompressible, nonlinear Boussinesq system in two and three spatial dimension. We study the existence and regularity of solutions to the Boussinesq system with nonhomogeneous boundary conditions for…

Analysis of PDEs · Mathematics 2023-06-21 Arnab Roy

In this paper we establish the asymptotic stability of steady solutions for the Boussinesq systems in the framework of Cartesian product of critical weak-Morrey spaces on $\mathbb{R}^n$, where $n \geqslant 3$. In our strategy, we first…

Analysis of PDEs · Mathematics 2024-11-18 Pham Truong Xuan , Tran Thi Ngoc

We consider the steady-state Boussinesq system in the whole three-dimensional space, with the action of external forces and the gravitational acceleration. First, for $3<p\leq +\infty$ we prove the existence of weak $L^p$-solutions.…

Analysis of PDEs · Mathematics 2023-07-24 Oscar Jarrin

We consider the Cauchy problem for the fourth order cubic nonlinear Schr\"odinger equation (4NLS). The main goal of this paper is to prove low regularity well-posedness and mild ill-posedness for (4NLS). We prove three results. First, we…

Analysis of PDEs · Mathematics 2021-11-16 Kihoon Seong

The stationary version of the Boussinesq system with a general gravitational acceleration term is considered. Under suitable assumptions on this term, as well as on the external forces acting on each equation of this coupled system, we…

Analysis of PDEs · Mathematics 2026-03-18 Nestor Acevedo , Manuel Fernando Cortez , Oscar Jarrín

We continue our study on the global solution to the two-dimensional Prandtl's system for unsteady boundary layers in the class considered by Oleinik provided that the pressure is favorable. First, by using a different method from [13], we…

Analysis of PDEs · Mathematics 2022-05-04 Zhouping Xin , Liqun Zhang , Junning Zhao

We study the Dirichlet problem for a class of fractional $p$-Laplacian operators of order $s \in (0,1)$ defined through the Riesz fractional gradient, which differs fundamentally from the standard fractional $p$-Laplacian. Our analysis…

Analysis of PDEs · Mathematics 2026-03-06 Juan Pablo Borthagaray , Leandro M. Del Pezzo , José Camilo Rueda Niño

We prove the global well-posedness of the two-dimensional Boussinesq equations with only vertical dissipation. The initial data $(u_0,\theta_0)$ are required to be only in the space $X=\{f\in L^2(\mathbb R^2)\,|\,\partial_xf\in L^2(\mathbb…

Analysis of PDEs · Mathematics 2016-03-23 Jinkai Li , Edriss S. Titi

New results concerning the orbital stability of periodic traveling wave solutions for the "abcd" Boussinesq model will be shown in this manuscript. For the existence of solutions, we use basic tools of ordinary differential equations to…

Analysis of PDEs · Mathematics 2022-05-04 Gabriel E. Bittencourt Moraes , Guilherme de Loreno , Fábio Natali

We consider the d-dimensional Boussinesq system defined on a sufficiently smooth bounded domain, and subject to a pair $\{ v, \boldsymbol{u} \}$ of controls localized on $\{ \widetilde{\Gamma}, \omega \}$. Here, $v$ is a scalar Dirichlet…

Optimization and Control · Mathematics 2022-02-08 Irena Lasiecka , Buddhika Priyasad , Roberto Triggiani
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