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Related papers: Global Weak Solutions for Boussinesq System with T…

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We give lower bounds for the lifespan of a solution to the inviscid Boussinesq system. In dimension two, we point out that it tends to infinity when the initial (relative) temperature tends to zero. This is, to the best of our knowledge,…

Analysis of PDEs · Mathematics 2013-04-03 Raphaël Danchin

In this paper, we investigate the global existence of strong solutions for the inhomogeneous incompressible viscoelastic system with only velocity dissipation on $\mathbb{R}^{2}$. Due to the criticality of the time-weight, the methods for…

Analysis of PDEs · Mathematics 2026-03-03 Chengfei Ai , Yong Wang , Yunshun Wu

We study the global strong solutions to the compressible Navier-Stokes system with potential temperature transport in $\mathbb{R}^n.$ Different from the Navier-Stokes-Fourier system, the pressure is a nonlinear function of the density and…

Analysis of PDEs · Mathematics 2023-04-04 Xiaoping Zhai , Yongsheng Li , Fujun Zhou

In this paper we study the validity of the so-called Oberbeck-Boussinesq approximation for compressible viscous perfect gases in the whole three-dimensional space. Both the cases of uids with positive heat conductivity and zero conductivity…

Analysis of PDEs · Mathematics 2013-04-17 Raphaël Danchin , Lingbing He

This paper is concerned with well-posedness of the Boussinesq system. We prove that the $n$ ($n\ge2$) dimensional Boussinesq system is well-psoed for small initial data $(\vec{u}_0,\theta_0)$ ($\nabla\cdot\vec{u}_0=0$) either in…

Analysis of PDEs · Mathematics 2015-05-28 Chao Deng , Shangbin Cui

This paper concerns the existence of global weak solutions {\it \`a la Leray} for compressible Navier--Stokes--Fourier systems with periodic boundary conditions and the truncated virial pressure law which is assumed to be thermodynamically…

Analysis of PDEs · Mathematics 2023-05-15 Didier Bresch , Pierre-Emmanuel Jabin , Fei Wang

In this paper, we consider a two-dimensional non-resistive magnetohydrodynamic model, taking the fluctuation of absolute temperature into account. Combining the method of weak convergence developed by Lions [20], Feireisl et al. [7, 8] from…

Analysis of PDEs · Mathematics 2020-09-15 Yang Li , Yongzhong Sun

In this manuscript, we aim to establish global existence of weak solutions with higher regularity to the compressible Navier-Stokes equations under no-slip boundary conditions. Though Lions\cite{L1} and Feireisl\cite{F1} have established…

Analysis of PDEs · Mathematics 2024-11-05 Xiangdi Huang , Zhouping Xin , Wei Yan

This paper is dedicated to the study of both viscous compressible barotropic fluids and Navier-Stokes equation with dependent density, when the viscosity coefficients are variable, in dimension $d\geq2$. We aim at proving the local and…

Analysis of PDEs · Mathematics 2011-07-13 Frédéric Charve , Boris Haspot

We prove the existence of a weak solution to a non-isothermal compressible model for nematic liquid crystals. An initial-boundary value problem is studied in a bounded domain with large data. The existence of a global weak solution is…

Analysis of PDEs · Mathematics 2016-03-15 Boling Guo , Binqiang Xie , Xiaoyu Xi

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

In this paper, we consider the full compressible, viscous, non-resistive MHD system under the assumption that the fluids move on a plane while the magnetic field is oriented vertically. Within the framework of Besov spaces, by introducing…

Analysis of PDEs · Mathematics 2024-08-15 Xiaoping Zhai , Shunhang Zhang

We investigate global well-posedness to the Cauchy problem of three-dimensional compressible viscous and heat-conducting micropolar fluid equations with zero density at infinity. By delicate energy estimates, we establish global existence…

Analysis of PDEs · Mathematics 2022-03-15 Yang Liu , Xin Zhong

We prove the global existence of weak solutions of the one-dimensional Navier-Stokes-Korteweg (NSK) equations when the viscosity and the capillarity coefficients are power functions of the density, which may be zero on a set with positive…

Analysis of PDEs · Mathematics 2025-02-25 Paolo Antonelli , Didier Bresch , Stefano Spirito

In this paper we study a fractional diffusion Boussinesq model which couples the incompressible Euler equation for the velocity and a transport equation with fractional diffusion for the temperature. We prove global well-posedness results.

Analysis of PDEs · Mathematics 2015-05-13 Taoufik Hmidi , Sahbi Keraani , Frederic Rousset

The dissipative solutions can be seen as a convenient generalization of the concept of weak solution to the isentropic Euler system. They can be seen as expectations of the Young measures associated to a suitable measure--valued solution of…

Analysis of PDEs · Mathematics 2019-03-29 Eduard Feireisl , Shyam Sundar Ghoshal , Animesh Jana

In this paper, we are concerned with the global wellposedness of 3-D inhomogeneous incompressible Navier-Stokes equations \eqref{1.3} in the critical Besov spaces with the norm of which are invariant by the scaling of the equations and…

Analysis of PDEs · Mathematics 2013-01-29 Jean-Yves Chemin , Marius Paicu , Ping Zhang

The global existence of weak solutions of the incompressible viscoelastic flows in two spatial dimensions has been a long standing open problem, and it is studied in this paper. We show the global existence if the initial deformation…

Analysis of PDEs · Mathematics 2013-12-25 Xianpeng Hu , Fanghua Lin

We deal with the global in time weak solutions to the 1D compressible Navier-Stokes system of equations for large discontinuous initial data and nonhomogeneous boundary conditions of three standard types. We prove the Lipschitz-type…

Analysis of PDEs · Mathematics 2026-02-04 Alexander Zlotnik

In this paper, we are concerned with the global wellposedness of 2-D density-dependent incompressible Navier-Stokes equations with variable viscosity, in a critical functional frame- work which is invariant by the scaling of the equations…

Analysis of PDEs · Mathematics 2012-12-18 Jingchi Huang , Marius Paicu , Ping Zhang