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This article establishes the global existence of weak solutions to a model proposed by Rosensweig (Rosensweig, Ferrohydrodynamics (1985)) for the dynamics of ferrofluids. The system is expressed by the conservation of linear momentum, the…

偏微分方程分析 · 数学 2019-10-02 Ricardo H. Nochetto , Konstantina Trivisa , Franziska Weber

Finite element modeling of charged species transport has enabled analysis, design, and optimization of a diverse array of electrochemical and electrokinetic devices. These systems are represented by the Poisson-Nernst-Planck equations…

计算工程、金融与科学 · 计算机科学 2022-05-13 Sungu Kim , Makrand A. Khanwale , Robbyn K. Anand , Baskar Ganapathysubramanian

In this paper, we investigate the incompressible Navier-Stokes equations coupled with the Vlasov-Fokker-Planck equation, which describes a two-phase mixture of the viscous incompressible fluid with particles or bubbles through a frictional…

偏微分方程分析 · 数学 2026-02-04 Renjun Duan , Fengqiang Shi , Wendong Wang , Jianbo Yu

We consider a model of cell motion with boundary signal production which describes some aspects of eukaryotic cell migration. Generic polarity markers located in the cell are transported by actin which they help to polymerize. This leads to…

偏微分方程分析 · 数学 2025-04-30 Nicolas Meunier , Philippe Souplet

We study the low-energy solutions to the 3D compressible Navier-Stokes-Poisson equations. We first obtain the existence of smooth solutions with small $L^2$-norm and essentially bounded densities. No smallness assumption is imposed on the…

偏微分方程分析 · 数学 2020-11-12 Anthony Suen

The aim of this paper is to prove existence of weak solutions of hyperbolic-parabolic evolution inclusions defined on Lipschitz domains with mixed boundary conditions describing, for instance, damage processes and elasticity with inertia…

偏微分方程分析 · 数学 2016-09-16 Christian Heinemann , Christiane Kraus

We show global existence of small solutions to the Cauchy problem for a system of quasi-linear wave equations in three space dimensions. The feature of the system lies in that it satisfies the weak null condition, though we permit the…

偏微分方程分析 · 数学 2018-02-26 Kunio Hidano , Kazuyoshi Yokoyama

Considered herein is the global existence of weak, strong solutions and Rayleigh-Taylor (RT) instability for 2D semi-dissipative Boussinesq equations in an infinite strip domain $\Omega_{\infty}$ subject to Navier boundary conditions with…

动力系统 · 数学 2024-05-28 Huafei Di , Liang Li , Xiaoming Peng , Quan Wang

The global-in-time existence of weak solutions to the barotropic compressible quantum Navier-Stokes equations with damping is proved for large data in three dimensional space. The model consists of the compressible Navier-Stokes equations…

偏微分方程分析 · 数学 2015-08-26 Alexis F. Vasseur , Cheng Yu

Aggregation equations, such as the parabolic-elliptic Patlak-Keller-Segel model, are known to have an optimal threshold for global existence vs. finite-time blow-up. In particular, if the diffusion is absent, then all smooth solutions with…

偏微分方程分析 · 数学 2021-09-22 Matthew Rosenzweig , Gigliola Staffilani

In this paper we study the existence of weak solutions to an unsteady system describing the motion of micro-polar electrorheological fluids. The constitutive relations for the stress tensors belong to the class of generalized Newtonian…

偏微分方程分析 · 数学 2015-10-02 E. Baeumle , M. Ruzicka

In this paper, we consider the Dirichlet problem of three-dimensional inhomogeneous incompressible micropolar equations with density-dependent viscosity. Under the assumption that the coefficients are power functions of the density, we…

偏微分方程分析 · 数学 2025-05-13 Peng Lu , Yuanyuan Qiao

In this paper we study a broad class of non-local advection-diffusion models describing the behaviour of an arbitrary number of interacting species, each moving in response to the non-local presence of others. Our model allows for different…

偏微分方程分析 · 数学 2024-06-17 Valeria Giunta , Thomas Hillen , Mark Lewis , Jonathan Potts

In this paper, we consider the Cauchy problem for semi-linear wave equations with structural damping term $\nu (-\Delta)^2 u_t$, where $\nu >0$ is a constant. As being mentioned in [8,10], the linear principal part brings both the diffusion…

偏微分方程分析 · 数学 2021-02-11 Tuan Anh Dao , Hiroshi Takeda

In this paper, we investigate a three-dimensional fluid-particle coupled model. % in whole space $\mathbb{R}^3$. This model combines the full compressible Navier-Stokes equations with the Vlasov-Fokker-Planck equation via the momentum and…

偏微分方程分析 · 数学 2024-08-27 Fucai Li , Jinkai Ni , Man Wu

A reduced drift-diffusion (Smoluchowski-Poisson) equation is found for the electric charge in the high-field limit of the Vlasov-Poisson-Fokker-Planck system, both in one and three dimensions. The corresponding electric field satisfies a…

统计力学 · 物理学 2007-05-23 L. L. Bonilla , J. Soler

We study a model for rate-dependent gradient plasticity at finite strain based on the multiplicative decomposition of the strain tensor, and investigate the existence of global-in-time solutions to the related PDE system. We reveal its…

偏微分方程分析 · 数学 2018-01-17 Alexander Mielke , Riccarda Rossi , Giuseppe Savaré

In this paper, we study the global existence and uniqueness, Gaussian lower bound, and moment estimates in the spatially homogeneous Boltzmann equation for Fermi-Dirac particles for hard potential ($0\leq \gamma\leq 2$) with angular cutoff…

偏微分方程分析 · 数学 2025-11-06 Gayoung An , Sungbin Park

This paper is devoted to global existence and optimal decay rate of weak solutions to some inviscid Oldroyd-B models with center diffusion. By virtue of the properties of Calderon-Zygmund operator and the Littlewood-Paley decomposition…

偏微分方程分析 · 数学 2023-07-21 Wenjie Deng , Zhaonan Luo , Zhaoyang Yin

We investigate an evolutive system of non-linear partial differential equations derived from Oldroyd models on Non-Newtonian flows. We prove global existence of weak solutions, in the case of a smooth bounded domain, for general initial…

偏微分方程分析 · 数学 2012-09-04 Olfa Bjaoui , Mohamed Majdoub