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Related papers: Global solutions to the Oldroyd-B model with a cla…

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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

We prove the global well-posedness in the critical Besov spaces for the incompressible Oldroyd-B model without damping mechanism on the stress tensor in $\mathbb{R}^d$ for the small initial data. Our proof is based on the observation that…

Analysis of PDEs · Mathematics 2019-07-24 Qionglei Chen , Xiaonan Hao

We obtain the global well-posedness to the 3D incompressible magnetohydrodynamics (MHD) equations in Besov space with negative index of regularity. Particularly, we can get the global solutions for a new class of large initial data. As a…

Analysis of PDEs · Mathematics 2015-09-28 Renhui Wan

This paper establishes the global well-posedness of strong solutions to the nonhomogeneous magnetic B\'enard system with positive density at infinity in the whole space $\mathbb{R}^2$. More precisely, we obtain the global existence and…

Analysis of PDEs · Mathematics 2024-07-23 Jieqiong Liu

In this paper, we consider the global wellposedness of 3-D incompressible magneto-hydrodynamical system with small and smooth initial data. The main difficulty of the proof lies in establishing the global in time $L^1$ estimate for the…

Analysis of PDEs · Mathematics 2013-05-14 Li Xu , 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

In this paper we consider the 3-dimensional incompressible Oldroyd-B model. First, we establish two results of the global existence for different kinds of the coupling coefficient $k$. Then, we prove that the solutions $(u,\tau)$ are…

Analysis of PDEs · Mathematics 2021-10-19 Weikui Ye

In this article, we consider the global well-posedness to the 3-D incompressible inhomogeneous Navier-Stokes equations with a class of large velocity. More precisely, assuming $a_0 \in \dot{B}_{q,1}^{\frac{3}{q}}(\mathbb{R}^3)$ and…

Analysis of PDEs · Mathematics 2015-10-28 Cuili Zhai , Ting Zhang

In this paper, we study the global well-posedness and decay rates of strong solutions to an incompressible Vlasov-MHD model arising in magnetized plasmas. This model is consist of the Vlasov equation and the incompressible…

Analysis of PDEs · Mathematics 2024-08-27 Fucai Li , Jinkai Ni , Man Wu

In this paper, we prove the global existence and uniqueness of solution to d-dimensional (for $d=2,3$) incompressible inhomogeneous Navier-Stokes equations with initial density being bounded from above and below by some positive constants,…

Analysis of PDEs · Mathematics 2013-01-03 Marius Paicu , Ping Zhang , Zhifei Zhang

We start with the compressible Oldroyd--B model derived in \cite{Barrett-Lu-Suli} ({\em J. W. Barrett, Y. Lu, E. S\"uli. Existence of large-data finite-energy global weak solutions to a compressible Oldroyd--B model. Comm. Math. Sci. 15…

Analysis of PDEs · Mathematics 2019-10-22 Yong Lu , Milan Pokorný

In this paper, we first prove the global existence of weak solutions to the d-dimensional incompressible inhomogeneous Navier-Stokes equations with initial data in critical Besov spaces, which satisfies a non-linear smallness condition. The…

Analysis of PDEs · Mathematics 2015-06-12 Jingchi Huang , Marius Paicu , Ping Zhang

This paper is concerned with an initial-boundary value problem of the two-dimensional inhomogeneous primitive equations with density-dependent viscosity. The global well-posedness of strong solutions is established, provided the initial…

Analysis of PDEs · Mathematics 2024-03-04 Quansen Jiu , Lin Ma , Fengchao Wang

In this paper, we consider a global wellposed problem for the 3-D incompressible anisotropic Navier-Stokes equations (\textit{ANS}). In order to do so, we first introduce the scaling invariant Besov-Sobolev type spaces,…

Analysis of PDEs · Mathematics 2009-11-13 Ting Zhang , Daoyuan Fang

We prove the existence of both local and global smooth solutions to the Cauchy problem in the whole space and the periodic problem in the n-dimensional torus for the incompressible viscoelastic system of Oldroyd-B type in the case of near…

Analysis of PDEs · Mathematics 2009-11-13 Zhen Lei , Chun Liu , Yi Zhou

In this paper, we consider the Cauchy problem for a compressible Oldroyd-B model in three dimensions. Under some smallness assumptions on the initial data, we obtain the global wellposedness of strong solution with uniform regularity.…

Analysis of PDEs · Mathematics 2022-04-07 Sili Liu , Yingshan Chen

In this paper, we consider the 2-dimensional non-viscous Oldroyd-B model. In the case of the ratio equal 1~($\alpha=0$), it is a difficult case since the velocity field $u(t,x)$ is no longer decay. Fortunately, by {observing the exponential…

Analysis of PDEs · Mathematics 2021-10-20 Zhi Chen , Weikui Ye , Zhaoyang Yin

Cannone \cite{Cannone} proved the global well-posedness of the incompressible Navier-Stokes equations for a class of highly oscillating data. In this paper, we prove the global well-posedness for the compressible Navier-Stokes equations in…

Analysis of PDEs · Mathematics 2010-07-06 Qionglei Chen , Changxing Miao , Zhifei Zhang

We establish the global well-posedness of classical solutions to the vacuum free boundary problem of the 1-D viscous Saint-Venant system with large data. Since the depth $\rho$ of the fluid vanishes on the moving boundary, the momentum…

Analysis of PDEs · Mathematics 2025-04-15 Xin Zhouping , Zhang Jiawen , Zhu Shengguo

In this paper, we consider the global well-posedness problem of the isentropic compressible Navier-Stokes equations in the whole space $\R^N$ with $N\ge2$. In order to better reflect the characteristics of the dispersion equation, we make…

Analysis of PDEs · Mathematics 2016-08-24 Daoyuan Fang , Ting Zhang , Ruizhao Zi