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Related papers: Uniqueness theorems for the Boussinesq system

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We consider a reactive Boussinesq system with no stress boundary conditions in a periodic domain which is unbounded in one direction. Specifically, we couple the reaction-advection-diffusion equation for the temperature, $T$, and the…

Analysis of PDEs · Mathematics 2013-05-22 Christopher Henderson

We consider inverse boundary value problems for the Navier-Stokes equations and the isotropic Lam\'e system in two dimensions. The uniqueness without any smallness assumptions on unknown coefficients, which is called global uniqueness, was…

Analysis of PDEs · Mathematics 2013-09-09 O. Yu. Imanuvilov , M. Yamamoto

In this work, we consider time-fractional Navier-Stokes equations (NSE) with the external forces involving finite delay. Equations are considered on a bounded domain in 3-D space having sufficiently smooth boundary. We transform the system…

Analysis of PDEs · Mathematics 2019-08-09 Md Mansur Alam , Shruti Dubey

We treat the heat equation with singular drift terms and its generalization: the linearized Navier-Stokes system. In the first case, we obtain boundedness of weak solutions for highly singular, "supercritical" data. In the second case, we…

Analysis of PDEs · Mathematics 2019-06-03 Qi S Zhang

In this paper, we study the singular set of 3-dimensional Navier-Stokes equations. Under the condition$\frac{1}{R^{\frac{3s}{q}+2-s}}\int^{R^{2}}_{0}(\int_{B_{R}}|u|^{q}dx)^{\frac{s}{q}}ds <C,$ for $(q,s)\in\{(2,5),(5,2)\},$ we use the…

Analysis of PDEs · Mathematics 2016-07-29 Xixia Ma

We consider the full Navier-Stokes-Fourier system in the singular regime of small Mach and large Reynolds and Peclet numbers, with ill prepared initial data on an unbounded domain in the three dimensional Euclidean space with a compact…

Analysis of PDEs · Mathematics 2013-07-24 Eduard Feireisl , Antonin Novotny

This paper is devoted to the full system of incompressible liquid crystals, as modeled in the Q-tensor framework. The main purpose is to establish the uniqueness of weak solutions in a two dimensional setting, without imposing an extra…

Analysis of PDEs · Mathematics 2016-03-11 Francesco De Anna , Arghir Zarnescu

In the presence of a certain class of functions we show that there exists a smooth solution to Navier-Stokes equation. This solution entertains the property of being nonconvective. We introduce a definition for any possible solution to the…

General Mathematics · Mathematics 2017-06-09 Waleed S. Khedr

In this article we consider the asymptotic stability of the two-dimensional Boussinesq equations with partial dissipation near a combination of Couette flow and temperature profiles $T(y)$. As a first main result we show that if $T'$ is of…

Analysis of PDEs · Mathematics 2023-01-11 Christian Zillinger

In this note, we investigate the 3D steady axially symmetric Navier-Stokes equations, and obtained Liouville type theorems if the velocity or the vorticity satisfies some a priori decay assumptions.

Analysis of PDEs · Mathematics 2018-05-09 W. Wang

We investigate uniqueness of weak solutions for a system of partial differential equations capturing behavior of magnetoelastic materials. This system couples the Navier-Stokes equations with evolutionary equations for the deformation…

Analysis of PDEs · Mathematics 2018-06-13 Anja Schlömerkemper , Josef Žabenský

Regularity properties of strong solutions are considered.

Analysis of PDEs · Mathematics 2012-09-04 Michael Z. Zgurovsky , Pavlo O. Kasyanov

Motivated by the classification of solutions of harmonic functions, we investigate Liouville type theorems for the fractional Navier-Stokes equations in $\mathbb{R}^3$ under some conditions on the boundedness of fractional derivatives. We…

Analysis of PDEs · Mathematics 2025-05-09 Wendong Wang , Guoxu Yang , Jianbo Yu

The Navier-Stokes system for an incompressible fluid coupled with the equation for a heat transfer is considered in the whole three dimensional space. This system is invariant under a suitable scaling. Using the Leray-Schauder theorem and…

Analysis of PDEs · Mathematics 2025-01-14 Lorenzo Brandolese , Grzegorz Karch

We investigate weak Serrin-type blowup criterion of the three-dimensional full compressible Navier-Stokes equations for the Cauchy problem, Dirichlet problem and Navier-slip boundary condition. It is shown that the strong or smooth solution…

Analysis of PDEs · Mathematics 2024-12-23 Minghong Xie , Saiguo Xu , Yinghui Zhang

In this paper, we consider the 2D incompressible Navier-Stokes equations on the torus. It is well known that for any $L^2$ divergence-free initial data, there exists a global smooth solution that is unique in the class of $C_t L^2$ weak…

Analysis of PDEs · Mathematics 2023-04-25 Alexey Cheskidov , Xiaoyutao Luo

We investigate the nonlinear stability problem for the two-dimensional Boussinesq system around the Poiseuille flow in a finite channel. The system has the characteristic of Navier-slip boundary condition for the velocity and Dirichlet…

Analysis of PDEs · Mathematics 2024-05-21 Gaofeng Wang

Observing the special structure of the system and using the Poincar{\'{e}}-Sobolev inequality, we establish Liouville type theorems for the 3D steady tropical climate model under certain conditions on $u$, $v$, $\nabla \theta$. Our results…

Analysis of PDEs · Mathematics 2025-04-25 Yanyan Dong , Zhibing Zhang

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

Singularities of the Navier-Stokes equations occur when some derivative of the velocity field is infinite at any point of a field of flow (or, in an evolving flow, becomes infinite at any point within a finite time). Such singularities can…

Fluid Dynamics · Physics 2019-07-16 H. K. Moffatt