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In this paper we study the dynamics of an incompressible viscous fluid evolving in an open-top container in two dimensions. The fluid mechanics are dictated by the Navier-Stokes equations. The upper boundary of the fluid is free and evolves…

偏微分方程分析 · 数学 2020-10-30 Yan Guo , Ian Tice

We consider weak (''Leray'') solutions to the stationary Navier-Stokes system with Oseen and rotational terms, in an exterior domain. It is shown the velocity may be split into a constant times the first column of the fundamental solution…

偏微分方程分析 · 数学 2015-11-16 Paul Deuring , Stanislav Kracmar , Sarka Necasova

We consider a two-phase flow of two incompressible, viscous and immiscible fluids which are separated by a sharp interface in the case of a simple phase transition. In this model the interface is no longer material and its evolution is…

偏微分方程分析 · 数学 2017-06-01 Helmut Abels , Maximilian Moser

In this paper, we justify the limit from the Navier-Stokes system in a thin domain to the hydrostatic Navier-Stokes/Prandtl system for the convex initial data with Gevrey 9/8 regualrity in $x$.

偏微分方程分析 · 数学 2021-10-27 Chao Wang , Yuxi Wang , Zhifei Zhang

In this work we consider a poroelastic flexible material that may deform largely which is situated in an incompressible fluid driven by the Navier-Stokes equations in two or three space dimensions. By a variational approach we show…

偏微分方程分析 · 数学 2022-01-12 B. Benesova , M. Kampschulte , S. Schwarzacher

We consider a system of nonlinear partial differential equations modelling the steady motion of an incompressible non-Newtonian fluid, which is chemically reacting. The governing system consists of a steady convection-diffusion equation for…

数值分析 · 数学 2017-03-16 Seungchan Ko , Petra Pustejovská , Endre Süli

In this paper we consider the motion of a rigid body in a viscous incompressible fluid when some Navier slip conditions are prescribed on the body's boundary. The whole `viscous incompressible fluid + rigid body' system is assumed to occupy…

偏微分方程分析 · 数学 2018-10-03 Marco Bravin

This paper concerns the construction of traveling wave solutions to the free boundary incompressible Navier-Stokes system. We study a single layer of viscous fluid in a strip-like domain that is bounded below by a flat rigid surface and…

偏微分方程分析 · 数学 2022-09-13 Junichi Koganemaru , Ian Tice

In this work, we consider the interaction of a 3D incompressible fluid with a 2D flexible shell that occupies (a part of) the boundary of the fluid domain. We assume that the shell is perfectly elastic while the fluid is governed by the…

偏微分方程分析 · 数学 2026-05-15 Dominic Breit , Prince Romeo Mensah , Sebastian Schwarzacher , Pei Su

We consider a coupled system of partial differential equations describing the interactions between a closed free interface and two viscous incompressible fluids. The fluids are assumed to satisfy the incompressible Navier-Stokes equations…

最优化与控制 · 数学 2023-08-01 Sebastien Court

We consider the inertial motion of a system constituted by a rigid body with an interior cavity entirely filled with a viscous incompressible fluid. Navier boundary conditions are imposed on the cavity surface. We prove the existence of…

偏微分方程分析 · 数学 2018-09-12 Giusy Mazzone , Jan Pruess , Gieri Simonett

We study the inviscid limit problem for the incompressible Navier-Stokes equation on a half-plane with a Navier boundary condition depending on the viscosity. On one hand, we prove the $L^2$ convergence of Leray solutions to the solution of…

偏微分方程分析 · 数学 2014-12-11 Matthew Paddick

In this paper we study the interaction of a small rigid body in a viscous compressible fluid. The system occupies a bounded three dimensional domain. The object it allowed to freely move and its dynamics follows the Newton's laws. We show…

偏微分方程分析 · 数学 2020-11-11 Marco Bravin , Šárka Nečasová

In this paper, we study the hydrostatic approximation for the Navier-Stokes system in a thin domain. When the convex initial data with Gevrey regularity of optimal index 3/2 in x variable and Sobolev regularity in y variable, we justify the…

偏微分方程分析 · 数学 2024-11-20 Chao Wang , Yuxi Wang

We study the Euler-Bernoulli beam model with singularities at the points $x=\xi_1$, $x=\xi_2$ and with localized viscoelastic dissipation of Kelvin-Voigt type. We assume that the beam is composed by two materials; one is an elastic material…

偏微分方程分析 · 数学 2025-12-15 Jaime E. Munoz Rivera , Maria Grazia Naso , Bruna T. Silva Sozzo

We study a moving boundary value problem consisting of a viscous incompressible fluid moving and interacting with a nonlinear elastic solid shell. The fluid motion is governed by the Navier-Stokes equations, while the shell is modeled by…

偏微分方程分析 · 数学 2007-05-23 C. H. Arthur Cheng , Daniel Coutand , Steve Shkoller

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

We prove a priori estimates for the system of partial differential equations modeling the interaction between an elastic body and an incompressible fluid in a 3D curved domain. The fluid is governed by the incompressible Navier-Stokes…

偏微分方程分析 · 数学 2026-01-21 B. Ingimarson , I. Kukavica , W. S. Ożański

We consider the two-dimensional motion of the coupled system of a viscous incompressible fluid and a rigid disc moving with the fluid, in the whole plane. The fluid motion is described by the Navier-Stokes equations and the motion of the…

偏微分方程分析 · 数学 2015-05-27 Masoumeh Dashti , James C. Robinson

We investigate weak solutions to a fluid-structure interaction (FSI) problem between the flow of an incompressible, viscous fluid modeled by the Navier-Stokes equations, and a poroviscoelastic medium modeled by the Biot equations. These…

偏微分方程分析 · 数学 2024-06-04 Jeffrey Kuan , Sunčica Čanić , Boris Muha