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We consider the motion of a rigid body due to the pressure of a surrounded two-dimensional irrotational perfect incompressible fluid, the whole system being confined in a bounded domain with an impermeable condition on a part of the…

偏微分方程分析 · 数学 2020-04-22 Olivier Glass , József Kolumbán , Franck Sueur

We consider the motion of several rigid bodies immersed in a two-dimensional incompress-ible perfect fluid, the whole system being bounded by an external impermeable fixed boundary. The fluid motion is described by the incompressible Euler…

偏微分方程分析 · 数学 2019-04-15 Olivier Glass , Christophe Lacave , Alexandre Munnier , Franck Sueur

We consider the motion of several solids in a bounded cavity filled with a perfect incompressible fluid, in two dimensions. The solids move according to Newton's law, under the influence of the fluid's pressure, and the fluid dynamics is…

偏微分方程分析 · 数学 2019-10-09 Olivier Glass , Franck Sueur

In this paper we study the motion of a rigid body driven by Newton's law immersed in a stationary incompressible Stokes flow occupying a bounded simply connected domain. The aim is that of trajectory tracking of the solid by the means of a…

偏微分方程分析 · 数学 2022-03-01 József J. Kolumbán

We consider the motion of a rigid body immersed in a two-dimensional viscous incompressible fluid with Navierslip-with-friction conditions at the solid boundary. The fluid-solid system occupies the whole plane. We provethe small-time exact…

偏微分方程分析 · 数学 2018-07-19 József Kolumbán

We consider a rigid body freely moving in a compressible inviscid fluid within a bounded domain $\Omega\subset\mathbb{R}^3$. The fluid is thereby governed by the non necessarily isentropic compressible Euler equations, while the rigid body…

偏微分方程分析 · 数学 2025-12-11 Frédéric Rousset , Pei Su

The affine motion of two-dimensional (2d) incompressible fluids surrounded by vacuum can be reduced to a completely integrable and globally solvable Hamiltonian system of ordinary differential equations for the deformation gradient in ${\rm…

偏微分方程分析 · 数学 2020-01-30 Jay Roberts , Steve Shkoller , Thomas C. Sideris

We consider the motion of a rigid body immersed in an incompressible perfect fluid which occupies a three-dimensional bounded domain. For such a system the Cauchy problem is well-posed locally in time if the initial velocity of the fluid is…

偏微分方程分析 · 数学 2024-12-30 Olivier Glass , Franck Sueur , Takeo Takahashi

A famous result by Delort about the two-dimensional incompressible Euler equations is the existence of weak solutions when the initial vorticity is a diffuse bounded Radon measure with distinguished sign. In this paper we are interested in…

偏微分方程分析 · 数学 2024-12-31 Franck Sueur

We consider the motion of a rigid body immersed in an inviscid incompressible fluid. In 2D, an important physical effect associated with this system is the famous Kutta-Joukowski effect. In the present paper, we identify a similar effect in…

偏微分方程分析 · 数学 2025-09-23 Olivier Glass , David Meyer , Franck Sueur

We investigate the steady self-propelled motion of a rigid body immersed in a three-dimensional incompressible viscous fluid governed by the Navier-Stokes equations. The analysis is performed in a body-fixed reference frame, so that the…

偏微分方程分析 · 数学 2026-01-01 Sarka Necasova , Arnab Roy , Ana Leonor Silvestre

We study controllability issues for the 2D Euler and Navier-Stokes (NS) systems under periodic boundary conditions. These systems describe motion of homogeneous ideal or viscous incompressible fluid on a two-dimensional torus…

最优化与控制 · 数学 2009-11-11 Andrey Agrachev , Andrey Sarychev

The point vortex system is usually considered as an idealized model where the vorticity of an ideal incompressible two-dimensional fluid is concentrated in a finite number of moving points. In the case of a single vortex in an otherwise…

偏微分方程分析 · 数学 2024-12-31 Olivier Glass , Alexandre Munnier , Franck Sueur

In this paper, we study the control system associated with the incompressible 3D Euler system. We show that the velocity field and pressure of the fluid are exactly controllable in projections by the same finite-dimensional control.…

数学物理 · 物理学 2008-10-21 Hayk Nersisyan

We consider the motion of the interface separating a vacuum from an inviscid, incompressible, and irrotational fluid, subject to the self-gravitational force and neglecting surface tension, in two space dimensions. The fluid motion is…

偏微分方程分析 · 数学 2015-11-04 Lydia Bieri , Shuang Miao , Sohrab Shahshahani , Sijue Wu

The 3D incompressible Euler equations in a bounded domain are most often supplemented with impermeable boundary conditions, which constrain the fluid to neither enter nor leave the domain. We establish well-posedness with inflow, outflow of…

偏微分方程分析 · 数学 2024-12-19 Gung-Min Gie , James P. Kelliher , Anna L. Mazzucato

We study the long-time behavior of an elliptic rigid body which is allowed to vertically translate and rotate in a 2D unbounded channel under the action of a Poiseuille flow at large distances. The motion of the fluid is modelled by the…

偏微分方程分析 · 数学 2024-06-04 Denis Bonheure , Matthieu Hillairet , Clara Patriarca , Gianmarco Sperone

In this work a finite element simulation of the motion of a rigid body in a fluid, with free surface, is described. A completely general referential description (of which both Lagrangian and Eulerian descriptions are special cases) of an…

流体动力学 · 物理学 2015-06-26 S. J. Childs , B. D. Reddy

We study the motion of a rigid body within a compressible, isentropic, and viscous fluid contained in a fixed bounded domain $\Omega \subset \mathbb{R}^3$. The fluid's behavior is described by the Navier-Stokes equations, while the motion…

偏微分方程分析 · 数学 2024-08-15 Šimon Axmann , Šárka Nečasová , Ana Radošević

We consider the motion of a rigid body immersed in an ideal flow occupying the plane, with bounded initial vorticity. In that case there exists a unique corresponding solution which is global in time, in the spirit of the famous work by…

偏微分方程分析 · 数学 2024-12-30 Olivier Glass , Franck Sueur
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