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We consider a Keller-Segel model coupled to the incompressible Navier-Stokes equations in spatial dimensions two and three. We establish the local existence of regular solutions and present some blow-up criteria for both cases that…

偏微分方程分析 · 数学 2013-04-30 Myeongju Chae , Kyungkeun Kang , Jihoon Lee

The aim of this paper is to study the global existence of solutions to a coupled wave-Klein-Gordon system in space dimension two when initial data are small, smooth and mildly decaying at infinity. Some physical models strictly related to…

偏微分方程分析 · 数学 2018-10-25 Annalaura Stingo

This paper provides results on local and global existence for a class of solutions to the Euler equations for an incompressible, inviscid fluid. By considering a class of solutions which exhibits a characteristic growth at infinity we…

偏微分方程分析 · 数学 2009-02-27 Ralph Saxton , Feride Tiglay

We are concerned with the global existence and large time behavior of entropy solutions to the one dimensional unipolar hydrodynamic model for semiconductors in the form of Euler-Poisson equations in a bounded interval. In this paper, we…

偏微分方程分析 · 数学 2018-07-25 Feimin Huang , Tianhong Li , Huimin Yu , Difan Yuan

This paper studies the global existence and uniqueness of strong solutions and its large-time behavior for the compressible isothermal Euler equations with a nonlocal dissipation. The system is rigorously derived from the kinetic…

偏微分方程分析 · 数学 2018-01-16 Young-Pil Choi

In this paper, we study the well-posedeness at low regularity of a two-dimensional system obtained as a reduced model for micropolar fluid dynamics. At the mathematical level, the system presents a coupling between an Euler-type equation…

偏微分方程分析 · 数学 2026-05-14 Francesco Fanelli , Pedro Gabriel Fernández Dalgo

This paper is devoted to the proof of a global existence result for the water waves equation with smooth, small, and decaying at infinity Cauchy data. We obtain moreover an asymptotic description in physical coordinates of the solution,…

偏微分方程分析 · 数学 2013-07-16 Thomas Alazard , Jean-Marc Delort

We investigate a hydrodynamic system of Navier--Stokes/Cahn--Hilliard type, which describes the motion of a two-phase flow of two incompressible fluids with unmatched densities coupled with a soluble chemical species. Derived from Onsager's…

偏微分方程分析 · 数学 2025-12-30 Andrea Giorgini , Jingning He , Hao Wu

We consider several rigid bodies immersed in a viscous Newtonian fluid contained in a bounded domain in $R^3$. We introduce a new concept of dissipative weak solution of the problem based on a combination of the approach proposed by Judakov…

偏微分方程分析 · 数学 2026-05-29 Marco Bravin , Eduard Feireisl , Arnab Roy , Arghir Zarnescu

We study a coupled kinetic-non-Newtonian fluid system on the periodic domain ${\mathbb T}^3$, where particles evolve by a Vlasov equation and interact with an incompressible power-law fluid through a drag force. We prove the global…

偏微分方程分析 · 数学 2025-08-22 Young-Pil Choi , Jinwook Jung , Aneta Wróblewska-Kamińska

We prove global existence of nonnegative weak solutions to a degenerate parabolic system which models the interaction of two thin fluid films in a porous medium. Furthermore, we show that these weak solutions converge at an exponential rate…

偏微分方程分析 · 数学 2011-10-31 Joachim Escher , Philippe Laurencot , Bogdan-Vasile Matioc

We study the dynamic behaviour of solutions to a fourth-order quasilinear degenerate parabolic equation for large times arising in fluid dynamical applications. The degeneracy occurs both with respect to the unknown and with respect to the…

偏微分方程分析 · 数学 2024-02-28 Christina Lienstromberg , Juan J. L. Velázquez

A Lagrangian relativistic approach to the non--linear dynamics of cosmological perturbations of an irrotational collisionless fluid is considered. Solutions are given at second order in perturbation theory for the relevant fluid and…

天体物理学 · 物理学 2015-06-24 S. Matarrese , O. Pantano , D. Saez

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

We consider a phase field model for the flow of two partly miscible incompressible, viscous fluids of Non-Newtonian (power law) type. In the model it is assumed that the densities of the fluids are equal. We prove existence of weak…

偏微分方程分析 · 数学 2013-02-14 Helmut Abels , Lars Diening , Yutaka Terasawa

We revisit the geodesic approach to ideal hydrodynamics and present a related geometric framework for Newton's equations on groups of diffeomorphisms and spaces of probability densities. The latter setting is sufficiently general to include…

辛几何 · 数学 2024-01-25 Boris Khesin , Gerard Misiolek , Klas Modin

We study the flow of two immiscible fluids located on a solid bottom, where the lower fluid is Newtonian and the upper fluid is a non-Newtonian Ellis fluid. Neglecting gravitational effects, we consider the formal asymptotic limit of small…

偏微分方程分析 · 数学 2021-02-01 Oliver Assenmacher , Gabriele Bruell , Christina Lienstromberg

We consider weak solutions to a two-dimensional simplified Ericksen-Leslie system of compressible flow of nematic liquid crystals. An initial-boundary value problem is first studied in a bounded domain. By developing new techniques and…

偏微分方程分析 · 数学 2013-08-13 Fei Jiang , Song Jiang , Dehua Wang

This paper investigates the non-resistive compressible magnetohydrodynamic (MHD) equations in $\mathbb{R}^2$. We establish the global existence and stability of classical solutions for initial data sufficiently close to a constant…

偏微分方程分析 · 数学 2026-05-22 Yi Zhu

A general relation is derived between the linear and second-order nonlinear ac conductivities of an electron system in the hydrodynamic regime of frequencies below the interparticle scattering rate. The magnitude and tensorial structure of…

其他凝聚态物理 · 物理学 2018-03-20 Zhiyuan Sun , D. N. Basov , M. M. Fogler