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The general Ericksen-Leslie system for the flow of nematic liquid crystals is reconsidered in the non-isothermal case aiming for thermodynamically consistent models. The non-isothermal model is then investigated analytically. A fairly…

Analysis of PDEs · Mathematics 2015-04-07 Matthias Hieber , Jan Pruess

We prove a quantitative regularity theorem and blowup criterion for classical solutions of the three-dimensional Navier-Stokes equations satisfying certain critical conditions. The solutions we consider have $\|r^{1-\frac3q}u\|_{L_t^\infty…

Analysis of PDEs · Mathematics 2021-09-22 Stan Palasek

This paper studies the regularity and energy conservation problems for the 2D supercritical quasi-geostrophic (SQG) equation. We apply an approach of splitting the dissipation wavenumber to obtain a new regularity condition which is weaker…

Analysis of PDEs · Mathematics 2016-07-13 Mimi Dai

In this paper, we consider the short time classical solution to a simplified hydrodynamic flow modeling incompressible, nematic liquid crystal materials in dimension three. We establish a criterion for possible breakdown of such solutions…

Analysis of PDEs · Mathematics 2016-12-05 Zhensheng Gao , Zhong Tan

We develop a Q-tensor model of nematic liquid crystals occupying a stationary surface which represents a fluidic material film in space. In addition to the evolution due to Landau--de\,Gennes energy the model includes a tangent viscous…

Fluid Dynamics · Physics 2023-10-06 Lucas Bouck , Ricardo H. Nochetto , Vladimir Yushutin

In this paper, we consider the Q-tensor model of nematic liquid crystals, which couples the Navier-Stokes equations with a parabolic-type equation describing the evolution of the directions of the anisotropic molecules, in the half-space.…

Analysis of PDEs · Mathematics 2025-11-07 Daniele Barbera , Miho Murata , Yoshihiro Shibata

In this paper, we establish a blow up criterion for the short time classical solution of the nematic liquid crystal ow, a simplified version of Ericksen-Leslie system modeling the hydrodynamic evolution of nematic liquid crystals, in…

Analysis of PDEs · Mathematics 2016-11-25 Tao Huang , Changyou Wang

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…

Analysis of PDEs · Mathematics 2025-09-22 Felix Brandt , Matthias Hieber , Arnab Roy

In this paper, we establish an $\epsilon$-regularity criterion for any weak solution $(u,d)$ to the nematic liquid crystal flow (1.1) such that $(u,\nabla d)\in L^p_tL^q_x$ for some $p\ge 2$ and $q\ge n$ satisfying the condition (1.2). As…

Analysis of PDEs · Mathematics 2014-05-28 Tao Huang

In this paper we derive LPS's criterion for the breakdown of classical solutions to the incompressible nematic liquid crystal flow, a simplified version of Ericksen-Leslie system modeling the hydrodynamic evolution of nematic liquid…

Analysis of PDEs · Mathematics 2012-11-27 Qing Chen , Zhong Tan , Guochun Wu

We consider the hydrodynamics for the biaxial nematic phase characterized by a field of orthonormal frame, which can be derived from a molecular-theory-based tensor model. In dimension two and three, we establish the local well-posedness…

Analysis of PDEs · Mathematics 2022-07-01 Sirui Li , Chenchen Wang , Jie Xu

In this paper we establish local-in-time existence and uniqueness of strong solutions in $H^s$ for $s > \frac{n}{2}$ to the viscous, zero thermal-diffusive Boussinesq equations in $\mathbb{R}^n , n = 2,3$. Beale-Kato-Majda type blow-up…

Analysis of PDEs · Mathematics 2017-06-19 Utpal Manna , Akash A. Panda

This paper is concerned with a cubic nonlinear Schr\"odinger system modeling the interaction between an optical beam and its third harmonic in a material with Kerr-type nonlinear response. We are mainly interested in the so-called…

Analysis of PDEs · Mathematics 2025-03-19 Maicon Hespanha , Ademir Pastor

In this paper we prove the existence of global in time weak solutions for an evolutionary PDE system modelling nonisothermal Landau-de Gennes nematic liquid crystal (LC) flows in three dimensions of space. In our model, the incompressible…

Analysis of PDEs · Mathematics 2013-11-01 Eduard Feireisl , Elisabetta Rocca , Giulio Schimperna , 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.…

Analysis of PDEs · Mathematics 2010-04-14 Marius Paicu , Arghir Zarnescu

We consider a four-elastic-constant Landau-de Gennes energy characterizing nematic liquid crystal configurations described using the $Q$-tensor formalism. The energy contains a cubic term and is unbounded from below. We study dynamical…

Analysis of PDEs · Mathematics 2015-01-22 Gautam Iyer , Xiang Xu , Arghir Zarnescu

This work is concerned with the solvability of a Navier-Stokes/$Q$-tensor coupled system modeling the nematic liquid crystal flow on a bounded domain in three dimensional Euclidian space with strong anchoring boundary condition for the…

Analysis of PDEs · Mathematics 2017-04-14 Yuning Liu , Wei Wang

We prove geometrically improved version of Prodi-Serrin type blow-up criterion. Let $v$ and $\omega$ be the velocity and the vorticity of solutions to the 3D Navier-Stokes equations and denote $\{f\}_+=\max\{f, 0\}$ , $Q_T=\Bbb R^3\times…

Analysis of PDEs · Mathematics 2016-08-31 Dongho Chae , Jihoon Lee

Existence and uniqueness of strong solutions to a barotropic compressible fluid--viscoelastic shell interaction system have recently been established on a finite time interval. A natural question is whether such solutions can be continued…

Analysis of PDEs · Mathematics 2026-05-13 Pierre Marie Ngougoue Ngougoue , Prince Romeo Mensah

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…

Analysis of PDEs · Mathematics 2015-05-14 Marius Paicu , Arghir Zarnescu