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In this paper we study the compressible magnetohydrodynamics equations in three dimensions, which offer a good model for plasmas. Formation of singularity for C1-solution in finite time is proved with axisymmetric initial data. The key…

Analysis of PDEs · Mathematics 2023-10-10 Lv Cai , Ning-An Lai

This paper concerns the Cauchy problem of the two-dimensional (2D) nonhomogeneous incompressible nematic liquid crystal flows on the whole space $\mathbb{R}^{2}$ with vacuum as far field density. It is proved that the 2D nonhomogeneous…

Analysis of PDEs · Mathematics 2015-07-27 Qiao Liu , Shengquan Liu , Wenke Tan , Xin Zhong

This article is focused on a multidimensional nonlinear variational wave equation which is the Euler-Lagrange equation of a variational principle arising form the theory of nematic liquid crystals. By using the method of characteristics, we…

Analysis of PDEs · Mathematics 2019-10-22 Yanbo Hu , Guodong Wang

Consider the (simplified) Leslie-Erickson model for the flow of nematic liquid crystals in a bounded domain $\Omega \subset \mathbb{R}^n$ for n > 1$. This article develops a complete dynamic theory for these equations, analyzing the system…

Analysis of PDEs · Mathematics 2013-02-20 Matthias Hieber , Manuel Nesensohn , Jan Prüss , Katharina Schade

In this paper, we prove the global existence and singularity formation for a wave system from modelling nematic liquid crystals in one space dimension. In our model, although the viscous damping term is included, the solution with smooth…

Analysis of PDEs · Mathematics 2012-07-24 Geng Chen , Yuxi Zheng

We show some results for the $L^2$ curvature flow linked by the theme of addressing collapsing phenomena. First we show long time existence and convergence of the flow for $SO(3)$-invariant initial data on $S^3$, as well as a long time…

Differential Geometry · Mathematics 2013-01-30 Jeff Streets

We study an initial-boundary-value problem for time-dependent flows of heat-conducting viscous incompressible fluids in a system of three-dimensional pipes on a time interval $(0,T)$. Here we are motivated by the bounded domain approach…

Analysis of PDEs · Mathematics 2014-11-06 Michal Beneš , Igor Pažanin

This paper concerns the initial boundary value problem of three-dimensional inhomogeneous incompressible liquid crystal flows with density-dependent viscosity. When the viscosity coefficient $\mu(\rho)$ is a power function of the density…

Analysis of PDEs · Mathematics 2024-10-17 Jiaxu Li , Yu Mei , Rong Zhang

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…

Analysis of PDEs · Mathematics 2012-10-05 Guochun Wu , Zhong Tan

We discuss a 3D model describing the time evolution of nematic liquid crystals in the framework of Landau-de Gennes theory, where the natural physical constraints are enforced by a singular free energy bulk potential proposed by J.M. Ball…

Analysis of PDEs · Mathematics 2012-07-09 Eduard Feireisl , Elisabetta Rocca , Giulio Schimperna , Arghir Zarnescu

We study the long-time behavior of global strong solutions to a hydrodynamic system for nonhomogeneous incompressible nematic liquid crystal flows driven by two types of external forces in a smooth bounded domain in $\mathbb{R}^2$. For…

Analysis of PDEs · Mathematics 2013-06-27 Xianpeng Hu , Hao Wu

In this paper, we study the Cauchy problem of the Poiseuille flow of full Ericksen-Leslie model for nematic liquid crystals. The model is a coupled system of a parabolic equation for the velocity and a quasilinear wave equation for the…

Analysis of PDEs · Mathematics 2020-01-08 Geng Chen , Tao Huang , Weishi Liu

In this paper we study the large time behavior of solutions to a nematic liquid crystals system in the whole space $\mathbb{R}^3$. The fluid under consideration has constant density and small initial data.

Analysis of PDEs · Mathematics 2011-11-08 Mimi Dai , Jie Qing , Maria E. Schonbek

In this paper we construct a family of exact strong solutions to the two-dimensional incompressible liquid crystal equations with finite energy. The initial velocity is chosen to be rotationally symmetric and the image of the initial…

Analysis of PDEs · Mathematics 2012-05-21 Hongjie Dong , Zhen Lei

We study mean curvature flow of smooth, axially symmetric surfaces in $\mathbb{R}^3$ with Neumann boundary data. We show that all singularities at the first singular time must be of type I.

Differential Geometry · Mathematics 2019-08-09 John Head , Sevvandi Kandanaarachchi

A complex non-Newtonian fluid models the nematic liquid crystal flows confined in a bounded domain in $\mathbb{R}^3$ is considered. The system is a forced incompressible Navier-Stokes equation coupled with a parabolic type Q-tensor flows.…

Analysis of PDEs · Mathematics 2017-01-17 Yao Xiao

We study the general Ericksen-Leslie system with non-constant density, which describes the flow of nematic liquid crystal. In particular the model investigated here is associated with Parodi's relation. We prove that: in two dimension, the…

Analysis of PDEs · Mathematics 2013-09-03 Mimi Dai

We give a regularity criterion for a $Q$-tensor system modeling a nematic Liquid Crystal, under homogeneous Neumann boundary conditions for the tensor $Q$. Starting of a criterion only imposed on the velocity field ${\bf u}$ two results are…

Analysis of PDEs · Mathematics 2014-11-21 Francisco Guillén-González , María Ángeles Rodríguez-Bellido

We prove the existence of a weak solution to a non-isothermal compressible model for nematic liquid crystals. An initial-boundary value problem is studied in a bounded domain with large data. The existence of a global weak solution is…

Analysis of PDEs · Mathematics 2016-03-15 Boling Guo , Binqiang Xie , Xiaoyu Xi

In this paper, we prove the existence of smooth initial data for the 2D free boundary incompressible Euler equations (also known for some particular scenarios as the water wave problem), for which the smoothness of the interface breaks down…

Analysis of PDEs · Mathematics 2012-10-02 Angel Castro , Diego Córdoba , Charles Fefferman , Francisco Gancedo , Javier Gómez-Serrano