  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 external boundary. Thanks to an impulsive control strategy we prove that
there exists an appropriate boundary condition on the remaining part of the
external boundary (allowing some fluid going in and out the domain) such that
the immersed rigid body is driven from some given initial position and velocity
to some final position and velocity in a given positive time, without touching
the external boundary. The controlled part of the external boundary is assumed
to have a nonvoid interior and the final position is assumed to be in the same
connected component of the set of possible positions as the initial position.
