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We study the stationary Navier--Stokes equations in the whole plane with a compactly supported force term and with a prescribed constant spatial limit. Prior to this work, existence of solutions to this problem was only known under special…

偏微分方程分析 · 数学 2022-11-18 Julien Guillod , Mikhail Korobkov , Xiao Ren

This article offers a modern perspective which exposes the many contributions of Leray in his celebrated work on the Navier--Stokes equations from 1934. Although the importance of his work is widely acknowledged, the precise contents of his…

偏微分方程分析 · 数学 2023-07-07 Wojciech S. Ożański , Benjamin C. Pooley

The existence of weak solutions to the stationary Navier-Stokes equations in the whole plane $\mathbb{R}^2$ is proven. This particular geometry was the only case left open since the work of Leray in 1933. The reason is that due to the…

偏微分方程分析 · 数学 2019-01-21 Julien Guillod , Peter Wittwer

We study the nonhomogeneous boundary value problem for the Navier-Stokes equations of steady motion of a viscous incompressible fluid in arbitrary bounded multiply connected plane or axially-symmetric spatial domains. We prove that this…

数学物理 · 物理学 2013-02-05 Mikhail. V. Korobkov , Konstantin Pileckas , Remigio Russo

We study solutions to the obstacle problem for the stationary Navier--Stokes system in a~two dimensional exterior domain (flow past a prescribed body). We prove that the classical Leray solution to this problem is always nontrivial. No…

偏微分方程分析 · 数学 2019-11-27 Mikhail Korobkov , Konstantin Pileckas , Remigio Russo

The steady motion of a viscous incompressible fluid in distorted pipes, of finite length, is modeled through the Navier-Stokes equations with mixed boundary conditions: the inflow is given by an arbitrary member of the Lions-Magenes class…

偏微分方程分析 · 数学 2025-06-10 Alessio Falocchi , Ana Leonor Silvestre , Gianmarco Sperone

In the seminal work [39], Leray demonstrated the existence of global weak solutions to the Navier-Stokes equations in three dimensions. We exhibit two distinct Leray solutions with zero initial velocity and identical body force. Our…

偏微分方程分析 · 数学 2021-12-07 Dallas Albritton , Elia Brué , Maria Colombo

In this work, we examine two important problems in the theory of nonlinear PDEs. In Part I, we propose and solve a more general and complete version of the celebrated Leray's problem for the incompressible Navier-Stokes equations in $…

偏微分方程分析 · 数学 2018-01-16 Paulo R. Zingano

The original Leray's problem concerns the well-posedness of weak solutions to the steady incompressible Navier-Stokes equations in a distorted pipe, which approach to the Poiseuille flow subject to the no-slip boundary condition at spacial…

偏微分方程分析 · 数学 2023-03-20 Zijin Li , Xinghong Pan , Jiaqi Yang

The first goal of this paper is to study the large time behavior of solutions to the Cauchy problem for the 3-dimensional incompressible Navier-Stokes system. The Marcinkiewicz space $L^{3,\infty}$ is used to prove some asymptotic stability…

偏微分方程分析 · 数学 2007-05-23 Marco Cannone , Grzegorz Karch

We study the immersed boundary problem in 2-D. It models a 1-D elastic closed string immersed and moving in a fluid that fills the entire plane, where the fluid motion is governed by the 2-D incompressible Navier-Stokes equation with a…

偏微分方程分析 · 数学 2025-12-17 Jiajun Tong , Dongyi Wei

We consider the incompressible Navier-Stokes equations with spatially periodic boundary conditions. If the Reynolds number is small enough we provide an elementary short proof of the existence of global in time H\"older continuous…

偏微分方程分析 · 数学 2010-04-08 Gautam Iyer

We construct non-unique Leray solutions of the forced Navier-Stokes equations in bounded domains via gluing methods. This demonstrates a certain locality and robustness of the non-uniqueness discovered by the authors in [1].

偏微分方程分析 · 数学 2023-09-18 Dallas Albritton , Elia Bruè , Maria Colombo

In this paper, we will solve the Leray's problem for the stationary Navier-Stokes system in a 2D infinite distorted strip with the Navier-slip boundary condition. The existence, uniqueness, regularity and asymptotic behavior of the solution…

偏微分方程分析 · 数学 2023-09-18 Zijin Li , Xinghong Pan , Jiaqi Yang

We study the two-dimensional stationary Navier-Stokes equations describing the flows around a rotating obstacle. The unique existence of solutions and their asymptotic behavior at spatial infinity are established when the rotation speed of…

偏微分方程分析 · 数学 2018-01-17 Mitsuo Higaki , Yasunori Maekawa , Yuu Nakahara

A global time-discretized scheme for the Navier-Stokes equation system in its Leray projection form is defined. It is shown that the scheme converges to a bounded global classical solution for smooth data which have polynomial decay at…

偏微分方程分析 · 数学 2012-07-12 Joerg Kampen

In this paper, we investigate the Leray problem for steady Navier-Stokes system under full slip boundary conditions in a two dimensional channel with straight outlets. The existence of solutions with arbitrary flux in a general channel with…

偏微分方程分析 · 数学 2022-12-06 Kaijian Sha , Yun Wang , Chunjing Xie

In the paper, we consider the solvability of the two-dimensional Navier-Stokes equations in an exterior unit disk. On the boundary of the disk, the tangential velocity is subject to the perturbation of a rotation, and the normal velocity is…

偏微分方程分析 · 数学 2025-01-15 Zijin Li , Xinghong Pan

We consider Leray's problem on stationary Navier-Stokes flows with arbitrary large fluxes in an unbounded cylinder with several exits to infinity. For a stationary Navier-Stokes flow with large fluxes in the unbounded cylinder we prove…

偏微分方程分析 · 数学 2014-03-07 Myong-Hwan Ri

Consider the Navier-Stokes flow in 3-dimensional exterior domains, where a rigid body is translating with prescribed translational velocity $-h(t)u_\infty$ with constant vector $u_\infty\in \mathbb R^3\setminus\{0\}$. Finn raised the…

偏微分方程分析 · 数学 2019-08-13 Toshiaki Hishida , Paolo Maremonti
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