Research Interests:

Granular matter
Hydrodynamic stability
Transition to turbulence
Perturbation Methods
Multiphase Flow

DEM-CFD simulations (Fluidized bed: alumina and water in a narrow tube)

Experiments (Fluidized bed: alumina and water in a narrow tube)
DEM-CFD simulations (Fluidized bed: sand and water in a tube)
Experiments (formation of a barchan dune: zirconium beads under a turbulent water flow)
PIV Experiments (Perturbed field of a water flow over a dune)

Video produced by Lauren Lipuma at AGU and uploaded on youtube (with sound, please turn on the speakers!). Complete work: Assis, W.R. and Franklin, E.M., A comprehensive picture for binary interactions of subaqueous barchans. Geophysical Research Letters, 47, e2020GL089464, 2020,