Francesco Santamaria, Università di Torino #
Stokes' Drift for inertial particles #
In this work we study the effects of waves on the motion of inertial 
particles in an incompressible fluid.
We performed analytical calculations, using also multiple-scale 
techniques, to predict the
behaviour of such a particle, firstly in deep water waves and then in an 
arbitrarily deep regime.
All these analytical results were checked by numerical simulations of the 
problem.
We found that the presence of inertia leads to corrections to the 
well-known Stokes Drift. These
corrections become relevant in certain ranges of the parameters of the 
system.
Furthermore, with the same methods, we observed that, even in the absence 
of gravity (g = 0),
inertial particles drift downwards.