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We study a three-dimensional fluid-structure interaction problem describing the motion of an incompressible, viscous fluid coupled with a deformable elastic shell of Koiter type that forms part of the fluid boundary. The fluid motion is…

偏微分方程分析 · 数学 2026-02-24 Claudiu Mîndrilă , Arnab Roy

Boundedness is an important property of many physical systems. This includes incompressible fluid flows, which are often modeled by quadratic dynamics with an energy-preserving nonlinearity. For such systems, Schlegel and Noack proposed a…

系统与控制 · 电气工程与系统科学 2025-11-18 Shih-Chi Liao , Maziar S. Hemati , Peter Seiler

We consider the large time behavior of global strong solutions to the compressible viscoelastic flows on the whole space $\mathbb{R}^N\,(N\geq 2)$, where the system describes the elastic properties of the compressible fluid. Adding a…

偏微分方程分析 · 数学 2019-09-11 Qunyi Bie , Hui Fang , Qiru Wang , Zheng-an Yao

We present an accurate free-energy functional for liquid water written in terms of a set of effective potential fields in which fictitious noninteracting water molecules move. The functional contains an \emph{exact} expression of the…

软凝聚态物质 · 物理学 2011-04-19 Johannes Lischner , T. A. Arias

The stability of the equilibrium state is one of the crucial tests a hydrodynamic theory needs to pass. A widespread technique to study this property consists of searching for a Lyapunov function of the linearised theory, in the form of a…

广义相对论与量子宇宙学 · 物理学 2021-09-30 Lorenzo Gavassino

We prove local well-posedness for the Muskat problem on the half-plane, which models motion of an interface between two fluids of distinct densities (e.g., oil and water) in a porous medium (e.g., an aquifer) that sits atop an impermeable…

偏微分方程分析 · 数学 2024-10-17 Andrej Zlatos

We consider a fluid-structure interaction problem involving a viscous, incompressible fluid flow, modeled by the 2D Navier-Stokes equations, through a thin deformable elastic tube, displacement of which is not known a priori. The…

偏微分方程分析 · 数学 2026-04-09 Krutika Tawri , Nash Ward

We derive a F\"{o}ppl-von K\'{a}rm\'{a}n-type constitutive model for solid liquid crystalline plates where the nematic director may or may not rotate freely relative to the elastic network. To obtain the reduced two-dimensional model, we…

软凝聚态物质 · 物理学 2020-07-30 L. Angela Mihai , Alain Goriely

We consider an viscous, incompressible Newtonian fluid flowing through a thin elastic structure. The motion of the structure is described by the equations of a linearised Koiter shell, whose motion is restricted to transverse displacements.…

偏微分方程分析 · 数学 2018-07-20 Hannes Eberlein , Michael Ruzicka

In this paper we consider optimal control of nonlinear time-dependent fluid structure interactions. To determine a time-dependent control variable a BFGS algorithm is used, whereby gradient information is computed via a dual problem. To…

最优化与控制 · 数学 2020-08-11 L. Failer , T. Richter

We study a nonlinear coupled fluid-structure system modelling the blood flow through arteries. The fluid is described by the incompressible Navier-Stokes equations in a 2D rectangular domain where the upper part depends on a structure…

偏微分方程分析 · 数学 2018-06-26 Jean-Jérôme Casanova

We derive a mathematical model for the motion of several insulating rigid bodies through an electrically conducting fluid. Starting from a universal model describing this phenomenon in generality, we elaborate (simplifying) physical…

数学物理 · 物理学 2024-02-13 Jan Scherz , Anja Schlömerkemper

This article deals with the issues of global-in-time existence and asymptotic analysis of a fluid-particle interaction model in the so-called bubbling regime. The mixture occupies the physical space $\Omega \subset \mathbb{R}^3$ which may…

偏微分方程分析 · 数学 2010-06-16 Jose A. Carrillo , Trygve Karper , Konstantina Trivisa

In this paper, we consider the interactions between a rigid body of general form and the incompressible perfect fluid surrounding it. Local well-posedness in the space $C([0, T); H_s)$ is obtained for the fluid-rigid body system.

偏微分方程分析 · 数学 2012-01-18 Yun Wang , Aibin Zang

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 study a coupled fluid-structure system involving boundary conditions on the pressure. The fluid is described by the incompressible Navier--Stokes equations in a 2D rectangular type domain where the upper part of the domain is described…

偏微分方程分析 · 数学 2018-05-17 Jean-Jérôme Casanova

We rigorously derive a Blake-Zisserman-Kirchhoff theory for thin plates with material voids, starting from a three-dimensional model with elastic bulk and interfacial energy featuring a Willmore-type curvature penalization. The effective…

偏微分方程分析 · 数学 2025-04-09 Manuel Friedrich , Leonard Kreutz , Konstantinos Zemas

In this paper, we systematically study the regularity theory of the linear system of nearly incompressible elasticity. In the setting of stochastic homogenization, we develop new techniques to establish the large-scale estimates of…

偏微分方程分析 · 数学 2021-04-02 Shu Gu , Jinping Zhuge

We consider a fluid-structure interaction system composed by a rigid ball immersed into a viscous incompressible fluid. The motion of the structure satisfies the Newton laws and the fluid equations are the standard Navier-Stokes system. At…

偏微分方程分析 · 数学 2019-12-06 Matthieu Hillairet , Takéo Takahashi

A formal derivation of linear hydrodynamics for a granular fluid is given. The linear response to small spatial perturbations of the homogeneous reference state is studied in detail using methods of non-equilibrium statistical mechanics. A…

统计力学 · 物理学 2007-05-23 James W. Dufty , Aparna Baskaran , J. Javier Brey