  In this paper we perform a numerical study on the interesting phenomenon of
soliton reflection of solid walls. We consider the 2D nonlinear Schrodinger
equation as the underlying mathematical model and we use an implicit-explicit
type Crank-Nicolson finite element scheme for its numerical solution. After
verifying the perfect reflection of the solitons on a vertical wall, we present
the imperfect reflection of a dark soliton on a diagonal wall.
