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We study the kinetics of the nematic-isotropic transition in a two-dimensional liquid crystal by using a lattice Boltzmann scheme that couples the tensor order parameter and the flow consistently. Unlike in previous studies, we find the…

软凝聚态物质 · 物理学 2009-11-07 Colin Denniston , Enzo Orlandini , J. M. Yeomans

We consider the inertial Qian-Sheng model of liquid crystals which couples a hyperbolic-type equation involving a second-order material derivative with a forced incompressible Navier-Stokes system. We study the energy law and prove a global…

偏微分方程分析 · 数学 2017-10-20 Francesco de Anna , Arghir Zarnescu

We deal with the equations of a planar magnetohydrodynamic compressible flow with the viscosity depending on the specific volume of the gas and the heat conductivity proportional to a positive power of the temperature. Under the same…

偏微分方程分析 · 数学 2020-01-08 Bin Huang , Xiaoding Shi , Ying Sun

In this paper, we study a hydrodynamic system modeling the deformation of vesicle membranes in incompressible viscous fluids. The system consists of the Navier-Stokes equations coupled with a fourth order phase-field equation. In the three…

偏微分方程分析 · 数学 2013-02-26 Hao Wu , Xiang Xu

We give an overview on the solution of the stationary Navier-Stokes equations for non newtonian incompressible fluids established by G. Dias and M.M. Santos (Steady flow for shear thickening fluids with arbitrary fluxes, J. Differential…

偏微分方程分析 · 数学 2016-10-23 Marcelo M. Santos

Time-dependent free surface problem for the incompressible Navier-Stokes equations which describes the motion of viscous incompressible fluid nearly half-space are considered. We obtain global well-posedness of the problem for a small…

偏微分方程分析 · 数学 2023-07-27 Takayoshi Ogawa , Senjo Shimizu

We consider the 3-D full Navier-Stokes equations whose the viscosity coefficients and the thermal conductivity coefficient depend on the density and the temperature. We prove the local existence and uniqueness of the strong solution in a…

偏微分方程分析 · 数学 2007-05-23 Ting Zhang , Daoyuan Fang

A general purely crystalline mean curvature flow equation with a nonuniform driving force term is considered. The unique existence of a level set flow is established when the driving force term is continuous and spatially Lipschitz…

偏微分方程分析 · 数学 2020-06-09 Yoshikazu Giga , Norbert Pozar

In this article, we prove the local well-posedness of the free-boundary Lin-Liu equations describing the motion of inviscid nematic liquid crystals in the presence of surface tension in Lagrangian coordinates. It is well known that a priori…

偏微分方程分析 · 数学 2025-12-16 Chenyun Luo , Hang Yu

Existence and uniqueness of local strong solution for the Beris--Edwards model for nematic liquid crystals, which couples the Navier-Stokes equations with an evolution equation for the Q-tensor, is established on a bounded domain in the…

偏微分方程分析 · 数学 2013-12-24 Helmut Abels , Georg Dolzmann , YuNing Liu

We consider a time-periodic incompressible three-dimensional Navier-Stokes flow past a translating rigid body. In the first part of the paper, we establish the existence and uniqueness of strong solutions in the exterior domain $\Omega…

偏微分方程分析 · 数学 2025-08-01 Thomas Eiter , Ana Leonor Silvestre

We propose a linearized semi-implicit and decoupled finite element method for the incompressible Navier--Stokes equations with variable density. Our method is fully discrete and shown to be unconditionally stable. The velocity equation is…

数值分析 · 数学 2021-12-28 Buyang Li , Weifeng Qiu , ZongZe Yang

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

We consider the incompressible Navier-Stokes equations in a two-dimensional exterior domain, with no-slip boundary conditions. We assume that the initial velocity is a finite-energy and L^q-summable perturbation of the Oseen vortex with…

偏微分方程分析 · 数学 2012-02-23 Thierry Gallay , Yasunori Maekawa

Motivated by the search for sharp bounds on turbulent heat transfer as well as the design of optimal heat exchangers, we consider incompressible flows that most efficiently cool an internally heated disc. Heat enters via a distributed…

偏微分方程分析 · 数学 2022-05-26 Ian Tobasco

We investigate the Navier-Stokes-Fourier system for incompressible heat conducting inhomogeneous fluid. The main result concerns existence of global in time regular large solutions, provided the initial temperature is sufficiently large.…

偏微分方程分析 · 数学 2016-02-01 Piotr B. Mucha , Agnieszka Świerczewska-Gwiazda

In this paper, we prove the existence of a unique maximal local strong solutions to a stochastic system for both 2D and 3D penalised nematic liquid crystals driven by multiplicative Gaussian noise. In the 2D case, we show that this solution…

偏微分方程分析 · 数学 2020-04-06 Zdzislaw Brzezniak , Erika Hausenblas , Paul Razafimandimby

We study the anisotropic, incompressible Cahn-Hilliard-Navier-Stokes system with variable density in a bounded smooth domain $\Omega \subset \mathbb{R}^d$. This work extends previous results on the isotropic case by incorporating…

偏微分方程分析 · 数学 2026-03-30 Azeddine Zaidni , Saad Benjelloun , Radouan Boukharfane

We study the steady state motion of incompressible and viscous fluid flow in a rotating reference frame where vortices may take place. An approximated analytic solution of the Stokes flow problem is proposed for situations where the…

流体动力学 · 物理学 2018-11-06 Robert Salazar , Camilo Bayona

We analyze the problem for viscous incompressible heat-conduc\-ting fluid in a finite cylinder with large inflow and outflow, modelled with Navier-Stokes equations coupled with the heat equation. We prove energy estimate without…

偏微分方程分析 · 数学 2025-06-30 Joanna Rencławowicz , Wojciech M. Zajączkowski
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