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In this paper we study a mathematical model describing the movement of a colloidal particle in a fixed, bounded three dimensional container filled with a nematic liquid crystal fluid. The motion of the fluid is governed by the Beris-Edwards…

偏微分方程分析 · 数学 2023-10-26 Zhiyuan Geng , Arnab Roy , ArghirZarnescu

We consider the temporal decay estimates for weak solutions to the two-dimensional nematic liquid crystal flows, and we show that the energy norm of a global weak solution has non-uniform decay \begin{align*} \|u(t)\|_{L^{2}}+\|\nabla…

偏微分方程分析 · 数学 2014-10-01 Qiao Liu

We construct non-negative weak solutions of fast diffusion equations with a divergence type of drift term satisfying the $L^q$-energy inequality and speed estimate in Wasserstein spaces under some integrability conditions on the drift term.…

偏微分方程分析 · 数学 2025-02-26 Sukjung Hwang , Kyungkeun Kang , Hwa Kil Kim

We establish existence of global-in-time weak solutions to the one dimensional, compressible Navier-Stokes system for a viscous and heat conducting ideal polytropic gas (pressure $p=K\theta/\tau$, internal energy $e=c_v \theta$), when the…

偏微分方程分析 · 数学 2009-06-26 Helge Kristian Jenssen , Trygve Karper

In a 1959 paper by Pitaevskii, a macroscopic model of superfluidity was derived from first principles, to describe the interacting dynamics between the superfluid and normal fluid phases of Helium-4. The model couples two of the most…

偏微分方程分析 · 数学 2022-03-30 Pranava Chaitanya Jayanti , Konstantina Trivisa

In this paper, we provide a much simplified proof of the main result in [Lin and Zhang, Comm. Pure Appl. Math.,67(2014), 531--580] concerning the global existence and uniqueness of smooth solutions to the Cauchy problem for a 3D…

偏微分方程分析 · 数学 2015-06-19 Fanghua Lin , Ting Zhang

We analyze a system of PDEs governing the interaction between two compressible mutually noninteracting fluids and a shell of Koiter type encompassing a time dependent 3D domain filled by the fluids. The dynamics of the fluids is modelled by…

偏微分方程分析 · 数学 2023-02-13 Martin Kalousek , Sourav Mitra , Šárka Nečasová

A spectral-fractional Cahn-Hilliard cross-diffusion system, which describes the pre-patterning of lymphatic vessel morphology in collagen gels, is studied. The model consists of two higher-order quasilinear parabolic equations and describes…

偏微分方程分析 · 数学 2024-08-13 Ansgar Jüngel , Yue Li

We consider the weak solutions to the Euler-Fourier system describing the motion of a compressible heat conducting gas. Employing the method of convex integration, we show that the problem admits infinitely many global-in-time weak…

偏微分方程分析 · 数学 2014-08-26 Elisabetta Chiodaroli , Eduard Feireisl , Ondrej Kreml

This short paper is an introduction of the memoir recently written by the two authors (see [D.Bresch., P.--E. Jabin, arXiv:1507.04629, (2015)]) which concerns the resolution of two longstanding problems: Global existence of weak solutions…

偏微分方程分析 · 数学 2016-05-19 D. Bresch , P. -E. Jabin

This paper is devoted to the global existence of weak solutions to the three-dimensional compressible Navier-Stokes equations with heat-conducting effects in a bounded domain. The viscosity and the heat conductivity coefficients are assumed…

偏微分方程分析 · 数学 2021-03-19 Guodong Wang , Bijun Zuo

In this paper, we mainly study the global strong solutions and its long time decay rates of all order spatial derivatives to a micro-macro model for compressible polymeric fluids with small initial data. This model is a coupling of…

偏微分方程分析 · 数学 2022-10-31 Wenjie Deng , Wei Luo , Zhaoyang Yin

Using a recent result of C. De Lellis and L. Sz\'{e}kelyhidi Jr. we show that, in the case of periodic boundary conditions and for dimension greater or equal 2, there exist infinitely many global weak solutions to the incompressible Euler…

偏微分方程分析 · 数学 2013-05-06 Emil Wiedemann

We follow the idea of Wang \cite{W} to show the existence of global weak solutions to the Cauchy problems of Landau-Lifshtiz type equations and related heat flows from a $n$-dimensional Euclidean domain $\Om$ or a $n$-dimensional closed…

偏微分方程分析 · 数学 2020-01-22 Bo Chen , Youde Wang

This paper concerns a time-independent thermoelectric model with two different boundary conditions. The model is a nonlinear coupled system of the Maxwell equations and an elliptic equation. By analyzing carefully the nonlinear structure of…

偏微分方程分析 · 数学 2019-09-04 Xing-Bin Pan , Zhibing Zhang

The coupled quasilinear Keller-Segel-Navier-Stokes system is considered under Neumann boundary conditions for $n$ and $c$ and no-slip boundary conditions for $u$ in three-dimensional bounded domains $\Omega\subseteq \mathbb{R}^3$ with…

偏微分方程分析 · 数学 2017-04-11 Jiashan Zheng

The Ericksen-Leslie system is a fundamental hydrodynamic model that describes the evolution of incompressible liquid crystal flows of nematic type. In this paper, we prove the uniqueness of global weak solutions to the general…

偏微分方程分析 · 数学 2023-08-02 Francesco De Anna , Hao Wu

In this paper, the system of particles coupled with fluid is considered. The particles are described by a Vlasov equation, and the fluid is governed by a forced Navier-Stokes equations. The interaction with fluid phase governed by…

偏微分方程分析 · 数学 2012-11-28 Cheng Yu

After the pioneering work by Giovangigli on mathematics of multicomponent flows, several attempts were made to introduce global weak solutions for the PDEs describing the dynamics of fluid mixtures. While the incompressible case with…

偏微分方程分析 · 数学 2020-04-22 Pierre-Etienne Druet

We consider the equations governing incompressible, viscous fluids in three space dimensions, rotating around an inhomogeneous vector B(x): this is a generalization of the usual rotating fluid model (where B is constant). We prove the weak…

偏微分方程分析 · 数学 2007-05-23 Isabelle Gallagher , Laure Saint-Raymond