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In this paper, we consider a complex fluid modeling nematic liquid crystal flows, which is described by a system coupling Navier-Stokes equations with a parabolic Q-tensor system. We first prove the global existence of weak solutions in…

偏微分方程分析 · 数学 2023-07-19 Jinrui Huang , Shijin Ding

We study the hydrodynamics of compressible flows of active liquid crystals in the Beris-Edwards hydrodynamics framework, using the Landau-de Gennes $Q$-tensor order parameter to describe liquid crystalline ordering. We prove the existence…

偏微分方程分析 · 数学 2017-11-15 Gui-Qiang G. Chen , Apala Majumdar , Dehua Wang , Rongfang Zhang

In this paper, we study a coupled compressible Navier-Stokes/Q-tensor system modeling the nematic liquid crystal flow in a three-dimensional bounded spatial domain. The existence and long time dynamics of globally defined weak solutions for…

偏微分方程分析 · 数学 2013-07-30 Dehua Wang , Xiang Xu , Cheng Yu

In this paper, we establish the global existence of a suitable weak solution to the co-rotational Beris-Edwards $Q$-tensor system modeling the hydrodynamic motion of nematic liquid crystals with either Landau-De Gennes bulk potential in…

偏微分方程分析 · 数学 2020-08-26 Hengrong Du , Xianpeng Hu , Changyou Wang

In this paper, we study the global well-posedness of a coupled system of kinetic and fluid equations. More precisely, we establish the global existence of weak solutions for Navier-Stokes-BGK system consisting of the BGK model of Boltzmann…

偏微分方程分析 · 数学 2018-01-26 Young-Pil Choi , Seok-Bae Yun

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

We consider a coupled system consisting of the Navier-Stokes equations and a porous medium type of Keller-Segel system that model the motion of swimming bacteria living in fluid and consuming oxygen. We establish the global-in-time…

偏微分方程分析 · 数学 2016-05-04 Yun-Sung Chung , Kyungkeun Kang

In this paper, we consider a simplified Ericksen-Leslie model for the nematic liquid crystal flow. The evolution system consists of the Navier-Stokes equations coupled with a convective Ginzburg-Landau type equation for the averaged…

偏微分方程分析 · 数学 2013-05-07 Maurizio Grasselli , Hao Wu

In this paper, we consider the Beris-Edwards system for incompressible nematic liquid crystal flows. The system under investigation consists of the Navier-Stokes equations for the fluid velocity $\mathbf{u}$ coupled with an evolution…

偏微分方程分析 · 数学 2024-08-21 Yuning Liu , Hao Wu , Xiang Xu

In this article, the fluid-rigid body interaction problem of nematic liquid crystals described by the general Beris-Edwards $Q$-tensor model is studied. It is proved first that the total energy of this problem decreases in time. The…

偏微分方程分析 · 数学 2025-09-22 Felix Brandt , Matthias Hieber , Arnab Roy

We prove short-time well-posedness and existence of global weak solutions of the Beris--Edwards model for nematic liquid crystals in the case of a bounded domain with inhomogeneous mixed Dirichlet and Neumann boundary conditions. The system…

偏微分方程分析 · 数学 2013-11-15 Helmut Abels , Georg Dolzmann , YuNing Liu

We study the asymptotic behavior of global solutions to hydrodynamical systems modeling the nematic liquid crystal flows under kinematic transports for molecules of different shapes. The coupling system consists of Navier-Stokes equations…

偏微分方程分析 · 数学 2012-10-24 Hao Wu , Xiang Xu , Chun Liu

This paper studies global existence, hydrodynamic limit, and large-time behavior of weak solutions to a kinetic flocking model coupled to the incompressible Navier-Stokes equations. The model describes the motion of particles immersed in a…

偏微分方程分析 · 数学 2013-11-25 J. A. Carrillo , Y. -P. Choi , T. K. Karper

In my PhD thesis I show the existence of global-in-time weak solutions for a Navier-Stokes fluid interacting with a linearly elastic shell of Koiter type. This is achieved by the introduction of a new method for showing the compactness of…

偏微分方程分析 · 数学 2012-04-10 Daniel Lengeler

Anisotropic fluids appear in a diverse array of systems, from liquid-crystal displays to bacterial swarms, and are characterized by orientational order. Large colloidal particles immersed in such environments disturb the medium's…

软凝聚态物质 · 物理学 2025-01-03 Thomas G. J. Chandler , Saverio E. Spagnolie

We study a complex non-newtonian fluid that models the flow of nematic liquid crystals. The fluid is described by a system that couples a forced Navier-Stokes system with a parabolic-type system. We prove the existence of global weak…

偏微分方程分析 · 数学 2015-05-14 Marius Paicu , Arghir Zarnescu

We study the global existence and regularity of solutions for a system describing the evolution of a nematic liquid crystal fluid. The fluid is described by a system that couples a forced Navier-Stokes system with a parabolic-type system.…

偏微分方程分析 · 数学 2010-04-14 Marius Paicu , Arghir Zarnescu

A coupled kinetic-fluid model is investigated, which describes the dynamic behavior of an ensemble of Cucker-Smale flocking particles interacting with a viscous fluid in a three-dimensional bounded domain. This system consists of a kinetic…

偏微分方程分析 · 数学 2022-12-06 Li Chen , Yue Li , Nicola Zamponi

We consider the weak solution of the simplified Ericksen-Leslie system modeling compressible nematic liquid crystal flows in $\mathbb R^3$. When the initial data is small in $L^2$ and initial density is positive and essentially bounded, we…

偏微分方程分析 · 数学 2012-10-05 Guochun Wu , Zhong Tan

We study the hydrodynamics of compressible active nematic liquid crystals in a three-dimensional and bounded domain, with a nonlinear viscosity tensor and nonhomogeneous boundary data, in a Landau-de Gennes framework. We prove the existence…

偏微分方程分析 · 数学 2026-01-06 Kuntal Bhandari , Apala Majumdar , Šárka Nečasová
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