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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…

偏微分方程分析 · 数学 2026-03-03 Chengfei Ai , Yong Wang , Yunshun Wu

In this paper, we prove the global existence of strong solutions for the inhomogeneous incompressible viscoelastic system without any additional structure assumptions on $\mathbb{R}^{3}$. Unlike the time weighted energy method presented by…

偏微分方程分析 · 数学 2026-03-03 Chengfei Ai , Mengxing Bei , Yong Wang

In this paper, we prove the global existence of general small solutions to compressible viscoelastic system. We remove the "initial state" assumption ($\tilde \rho_0 \det F_0 =1$) and the "div-curl" structure assumption compared with…

偏微分方程分析 · 数学 2022-01-05 Yi Zhu

The global existence of solutions to incompressible viscoelastic flows has been a longstanding open problem, even for the global weak solution. Under some special structure ("div-curl" condition) the global small smooth solution was…

偏微分方程分析 · 数学 2020-12-16 Yi Zhu

In this paper, we prove the global existence of small smooth solutions to the three-dimensional incompressible Oldroyd-B model without damping on the stress tensor. The main difficulty is the lack of full dissipation in stress tensor. To…

偏微分方程分析 · 数学 2018-03-20 Yi Zhu

The existence and uniqueness of the global strong solution with small initial data to the three-dimensional viscoelastic fluids is established.

偏微分方程分析 · 数学 2011-03-01 Xianpeng Hu , Dehua Wang

We investigate global strong solutions for the incompressible viscoelastic system of Oldroyd--B type with the initial data close to a stable equilibrium. We obtain the existence and uniqueness of the global solution in a functional setting…

偏微分方程分析 · 数学 2011-02-03 Ting Zhang , Daoyuan Fang

In this paper, we consider the Dirichlet problem of three-dimensional inhomogeneous incompressible micropolar equations with density-dependent viscosity. Under the assumption that the coefficients are power functions of the density, we…

偏微分方程分析 · 数学 2025-05-13 Peng Lu , Yuanyuan Qiao

The purpose of this paper is to provide a large class of initial data which generates global smooth solution of the 3-D inhomogeneous incompressible Navier-Stokes system in the whole space~$\R^3$. This class of data is based on functions…

偏微分方程分析 · 数学 2015-05-29 Jean-Yves Chemin , Ping Zhang

In this paper, we are concerned with the global existence and optimal rates of strong solutions for three-dimensional compressible viscoelastic flows. We prove the global existence of the strong solutions by the standard energy method under…

偏微分方程分析 · 数学 2012-09-26 Xianpeng Hu , Guochun Wu

This paper addresses the three-dimensional Navier-Stokes equations for an incompressible fluid whose density is permitted to be inhomogeneous. We establish a theorem of global existence and uniqueness of strong solutions for initial data…

偏微分方程分析 · 数学 2013-04-23 Walter Craig , Xiangdi Huang , Yun Wang

We consider three dimensional incompressible Navier-Stokes equation $(NS)$ with different viscous coefficient in the vertical and horizontal variables. In particular, when one of these viscous coefficients is large enough compared to the…

偏微分方程分析 · 数学 2018-12-18 Marius Paicu , Ping Zhang

A classical 3-D thermoviscoelastic system of Kelvin-Voigt type is considered. The existence and uniqueness of a global regular solution is proved without small data assumption. The existence proof is based on the successive approximation…

偏微分方程分析 · 数学 2011-12-15 Irena Pawlow , Wojciech M. Zajaczkowski

In this paper, we are concerned with the three-dimensional nonhomogeneous B\'enard system with density-dependent viscosity in bounded domain. The global well-posedness of strong solution is established, provided that the initial total mass…

偏微分方程分析 · 数学 2023-10-13 Huanyuan Li , Jieqiong Liu

The Cauchy problem of the compressible Oldroyd-B model without damping mechanism in R^n$ with $n\ge2$ is considered. The lack of dissipation in density and stress tensor in the model is compensated by exploiting an intrinsic structure and…

偏微分方程分析 · 数学 2020-03-03 Xiaoping Zhai , Zhi-Min Chen

We consider a model for an incompressible visoelastic fluid. It consists of the Navier-Stokes equations involving an elastic term in the stress tensor and a transport equation for the evolution of the deformation gradient. The novel feature…

偏微分方程分析 · 数学 2019-10-23 Martin Kalousek

Global existence for a system of nonlinear partial differential equations (PDE) modeling an isotropic incompressible viscoelastic material is proved. The structure of the PDE is derived through constitutive assumptions on the material.…

偏微分方程分析 · 数学 2009-03-17 Paul Kessenich

In this paper we consider the local and global well-posedness to the density-dependent incompressible viscoelastic fluids. We first study some linear models associated to the incompressible viscoelastic system. Then we approximate the…

偏微分方程分析 · 数学 2012-10-23 Daoyuan Fang , Bin Han , Ting Zhang

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…

偏微分方程分析 · 数学 2024-08-15 Xiaoping Zhai , Shunhang Zhang

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…

偏微分方程分析 · 数学 2009-11-13 Zhen Lei , Chun Liu , Yi Zhou
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