Low regularity solutions for the two-dimensional ''rigid body + incompressible Euler" system.

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Under the assumption that the diameter of the rigid body tends to zero and that the density of the rigid body goes to infinity, we prove that the solution of the fluid-rigid body

We deal with the case where the fluid equations are the non stationary Stokes system and using the enclosure method, we can recover the convex hull of the obstacle and the distance

Existence of contacts for the motion of a rigid body into a viscous incompressible fluid with the Tresca boundary conditions... Existence of contacts for the motion of a rigid body

The mathematical study of fluid-structure interaction systems has been the subject of an intensive re- search since around 2000. A large part of the articles devoted to this

The symmetry, about the axis through the center of gravity and the fixed point (Lagrange top), leads to conservation of angular mo- mentum with regard to the axis of symmetry.

Our result can be contrasted with the result from [13] (see also [14] for a gentle exposition) regarding the controllability of the fluid velocity alone in the case of

Let us recall in that direction that, on the one hand, some existence results, in the case of impermeable boundary condition, rather than the conditions (2.2) and (2.4), have