English
Related papers

Related papers: Almost global existence for the Prandtl boundary l…

200 papers

The equation arising from Prandtl boundary layer theory is considered. The existence of the entropy solution can be proved by BV estimate method. The interesting problem is that, since a may be degenerate on the boundary, the usual boundary…

Analysis of PDEs · Mathematics 2019-09-09 Miao Ouyang , Huashui Zhan

We prove the global strong solvability of a quasilinear initial-boundary value problem with fractional time derivative of order less than one. Such problems arise in mathematical physics in the context of anomalous diffusion and the…

Analysis of PDEs · Mathematics 2011-06-06 Rico Zacher

In this paper, we prove global existence of solutions with analytic regularity to the 2D MHD boundary layer equations in the mixed Prandtl and Hartmann regime derived by formal multi-scale expansion in \cite{GP}. The analysis shows that the…

Analysis of PDEs · Mathematics 2018-07-10 Feng Xie , Tong Yang

In this article we establish the validity of Prandtl layer expansions around Euler flows which are not shear. The presence of non-shear flows at the leading order creates a singularity of $o(\frac{1}{\sqrt{\epsilon}})$. A new $y$-weighted…

Analysis of PDEs · Mathematics 2017-05-19 Sameer Iyer

In this paper, we rigorously justify the incompressible Euler limit of the Boltzmann equation with general Maxwell reflection boundary condition in the half-space. The accommodation coefficient $\alpha \in (0,1]$ is assumed to be $O(1)$.…

Analysis of PDEs · Mathematics 2025-06-24 Ning Jiang , Chao Wang , Yulong Wu , Zhifei Zhang

In the paper, we consider the Cauchy problem on the spatially one-dimensional Vlasov-Poisson-Landau system modelling the motion of ions under a generalized Boltzmann relation. Let the Knudsen number and the Debye length be given as…

Analysis of PDEs · Mathematics 2022-12-16 Renjun Duan , Dongcheng Yang , Hongjun Yu

We consider steady solutions to the incompressible Euler equations in a two-dimensional channel with rigid walls. The flow consists of two periodic layers of constant vorticity separated by an unknown interface. Using global bifurcation…

Analysis of PDEs · Mathematics 2025-06-23 Alex Doak , Karsten Matthies , Jonathan Sewell , Miles H. Wheeler

We examine the two-dimensional Euler equations including the local energy (in)equality as a differential inclusion and show that the associated relaxation essentially reduces to the known relaxation for the Euler equations considered…

Analysis of PDEs · Mathematics 2022-09-02 Björn Gebhard , József J. Kolumbán

We consider very weak solutions of the Cauchy problem for the porous medium equation on Cartan-Hadamard manifolds, that are assumed to satisfy general curvature bounds and to be stochastically complete. We identify a class of initial data…

Analysis of PDEs · Mathematics 2022-02-18 Gabriele Grillo , Matteo Muratori , Fabio Punzo

In this paper, we investigate the well-posedness theory for the MHD boundary layer system in two-dimensional space. The boundary layer equations are governed by the Prandtl type equations that are derived from the full incompressible MHD…

Analysis of PDEs · Mathematics 2017-04-25 Jincheng Gao , Boling Guo , Daiwen Huang

This paper is concerned with the initial-boundary value problem on the full Euler-Poisson system for ions over a half line. We establish the existence of stationary solutions under the Bohm criterion similar to the isentropic case and…

Analysis of PDEs · Mathematics 2020-11-05 Renjun Duan , Haiyan Yin , Changjiang Zhu

In this paper we show how the stability of Prandtl boundary layers is linked to the stability of shear flows in the incompressible Navier Stokes equations. We then recall classical physical instability results, and give a short educational…

Analysis of PDEs · Mathematics 2014-06-18 Emmanuel Grenier , Yan Guo , Toan T. Nguyen

We consider global-in-time evolution of irrotational, isentropic, compressible Euler flow in $3$-D, for a broad class of $H^4$ classical Cauchy data without assuming symmetry, prescribed on an annulus surrounded by a constant state in the…

Analysis of PDEs · Mathematics 2025-01-03 Qian Wang

The initial boundary value problems for compressible Navier-Stokes-Poisson is considered on a bounded domain in $\mathbb{R}^3$ in this paper. The global existence of smooth solutions near a given steady state for compressible…

Analysis of PDEs · Mathematics 2021-04-07 Hairong Liu , Hua Zhong

We consider the Cauchy problem for the full free boundary Euler equations in $3$d with an initial small velocity of size $O(\epsilon_0)$, in a moving domain which is initially an $O(\epsilon_0)$ perturbation of a flat interface. We assume…

Analysis of PDEs · Mathematics 2025-07-10 Daniel Ginsberg , Fabio Pusateri

We prove an existence result for solutions to the stationary Euler equations in a domain with nonsmooth boundary. This is an extension of a previous existence result in smooth domains by Alber (1992). The domains we consider have a boundary…

Analysis of PDEs · Mathematics 2020-06-19 Douglas Svensson Seth

In this paper, we consider the local well-posedness of the Prandtl boundary layer equations that describe the behavior of boundary layer in the small viscosity limit of the compressible isentropic Navier-Stokes equations with non-slip…

Analysis of PDEs · Mathematics 2014-07-15 Ya-Guang Wang , Feng Xie , Tong Yang

The Cauchy problem for the three-dimensional compressible flow of nematic liquid crystals is considered. Existence and uniqueness of the global strong solution are established in critical Besov spaces provided that the initial datum is…

Analysis of PDEs · Mathematics 2024-08-21 Xianpeng Hu , Hao Wu

In this article, time periodic problem of the compressible Euler equations with damping on the whole space is studied. It is well known that in the Euler system, long-time behavior of solutions is a more delicate problem due to lack of the…

Analysis of PDEs · Mathematics 2025-05-01 Houzhi Tang , Kazuyuki Tsuda

In this paper, we consider the zero-viscosity limit of the 2D steady Navier-Stokes equations in $(0,L)\times\mathbb{R}^+$ with non-slip boundary conditions. By estimating the stream-function of the remainder, we justify the validity of the…

Analysis of PDEs · Mathematics 2020-01-30 Chen Gao , Liqun Zhang