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We regard the Cauchy problem for a particular Whitham-Boussinesq system modelling surface waves of an inviscid incompressible fluid layer. The system can be seen as a weak nonlocal dispersive perturbation of the shallow water system. The…

偏微分方程分析 · 数学 2020-06-24 Evgueni Dinvay

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,…

偏微分方程分析 · 数学 2016-10-18 Fazel Hadadifard , Atanas Stefanov

In this paper, we are concerned with the well-posed issues of the fractional dissipative system in the framework of the Fourier--Besov spaces with variable regularity and integrability indices. By fully using some basic properties of these…

偏微分方程分析 · 数学 2024-11-07 Gastón Vergara-Hermosilla , Jihong Zhao

We prove global well-posedness of strong solutions and existence of the global attractor for the 2D Boussinesq system in a periodic channel with fractional Laplacian in subcritical case. The analysis reveals a relation between the Laplacian…

偏微分方程分析 · 数学 2015-04-06 Aimin Huang , Wenru Huo

We derive a model for the non-isothermal reaction-diffusion equation. Combining ideas from non-equilibrium thermodynamics with the energetic variational approach we obtain a general system modeling the evolution of a non-isothermal chemical…

偏微分方程分析 · 数学 2021-02-03 Chun Liu , Jan-Eric Sulzbach

In this paper, we investigate the global well-posedness of reaction-diffusion systems with transport noise on the $d$-dimensional torus. We show new global well-posedness results for a large class of scalar equations (e.g. the Allen-Cahn…

偏微分方程分析 · 数学 2024-08-16 Antonio Agresti , Mark Veraar

We study the Cauchy problem for one-dimensional dispersive system of Boussinesq type which models weakly nonlinear long wave surface waves. We establish the local well-posedness and ill-posedness of solutions to the system. We also provide…

偏微分方程分析 · 数学 2012-03-05 Robin Ming Chen , Yue Liu

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…

偏微分方程分析 · 数学 2023-06-21 Arnab Roy

We establish the global well-posedness of the 3D fractional Boussinesq-Coriolis system with stratification in a framework of Fourier type, namely spaces of Fourier-Besov type with underlying space being Morrey spaces (FBM-spaces, for…

偏微分方程分析 · 数学 2020-07-21 Leithold L. Aurazo-Alvarez , Lucas C. F. Ferreira

This paper is devoted to global well-posedness, self-similarity and symmetries of solutions for a superdiffusive heat equation with superlinear and gradient nonlinear terms with initial data in new homogeneous Besov-Morrey type spaces.…

偏微分方程分析 · 数学 2016-05-06 Marcelo Fernandes de Almeida , Arlúcio da Cruz Viana

In this paper, we are concerned with the tridimensional anisotropic Boussinesq equations which can be described by {equation*} {{array}{ll} (\partial_{t}+u\cdot\nabla)u-\kappa\Delta_{h} u+\nabla \Pi=\rho…

偏微分方程分析 · 数学 2014-05-30 Changxing Miao , Xiaoxin Zheng

By using the long-wave approximation, a system of coupled evolution equations for the bulk velocity and the surface perturbations of a B\'enard-Marangoni system is obtained. It includes nonlinearity, dispersion and dissipation, and it can…

patt-sol · 物理学 2009-10-22 R. A. Kraenkel , S. M. Kurcbart , J. G. Pereira , M. A. Manna

In the article we establish the global well-posedness in W^{1, 2, 2}(R\times R^{+}) of the integro-differential equation in the case of the anomalous diffusion when the one dimensional negative Laplace operator is raised to a fractional…

偏微分方程分析 · 数学 2024-04-09 Messoud Efendiev , Vitali Vougalter

In this paper, we investigate the Cauchy problem for the tridimensional Boussinesq equations with horizontal dissipation. Under the assumption that the initial data is an axisymmetric without swirl, we prove the global well-posedness for…

偏微分方程分析 · 数学 2013-06-10 Changxing Miao , Xiaoxin Zheng

We establish global-in-time existence results for thermodynamically consistent reaction-(cross-)diffusion systems coupled to an equation describing heat transfer. Our main interest is to model species-dependent diffusivities, while at the…

偏微分方程分析 · 数学 2022-02-11 Julian Fischer , Katharina Hopf , Michael Kniely , Alexander Mielke

We investigate here the interactions of waves governed by a Boussinesq system with a partially immersed body allowed to move freely in the vertical direction. We show that the whole system of equations can be reduced to a transmission…

偏微分方程分析 · 数学 2021-02-16 Geoffrey Beck , David Lannes

We study the Cauchy problem for a system of semi-linear coupled fractional-diffusion equations with polynomial nonlinearities posed in $% \mathbb{R}_{+}\times \mathbb{R}^{N}$. Under appropriate conditions on the exponents and the orders of…

偏微分方程分析 · 数学 2020-09-22 A. Bashir , A. Alsaedi , M. Berbiche , M Kirane

The three-dimensional incompressible Boussinesq system is one of the important equations in fluid dynamics. The system describes the motion of temperature-dependent incompressible flows. And the temperature naturally has diffusion.…

偏微分方程分析 · 数学 2022-07-15 Chen Gao , Liqun Zhang , Xianliang Zhang

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…

偏微分方程分析 · 数学 2021-10-29 Dongho Chae , Qianyun Miao , Liutang Xue

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