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Movies

Lagrangian particles in the wave bottom boundary layer during transition Lagrangian particles in the wave bottom boundary layer during transition. 6 second wave period – side view.
Vorticity fields from calculations of flow over a sand ripple Vorticity fields from calculations of flow over a sand ripple.
Kinetic energy dissipation rate for simulations of the wave bottom boundary layer over a smooth surface Kinetic energy dissipation rate for simulations of the wave bottom boundary layer over a smooth surface.  5 second period, Um = 80 cm/s, side view (x-z plane).
Kinetic energy dissipation rate for simulations of the wave bottom boundary layer over a smooth surface Kinetic energy dissipation rate for simulations of the wave bottom boundary layer over a smooth surface.  Top view (x-z plane).
Sheet flow simulation with a two-phase variable density model Sheet flow simulation with a two-phase variable density model.  A vertical plane of the reference concentration and velocity vectors from a 3D simulation are shown.
3D visualization of reference concentration of sediment in a 3 second period turbulent boundary layer Sheet flow simulation #2, a 3D visualization of reference concentration of sediment in a 3 second period turbulent boundary layer.  The blue iso-surface is the 5 percent concentration contour.
Sheet flow simulation of Horikawa's experiment Sheet flow simulation of Horikawa’s experiment.  Model results have similar mean flow properties to the lab measurements.
Volume of Fluid simulation of waves in a tank Volume of Fluid simulation of waves in a tank.  Both the water and air are modeled together.  Velocity vectors and density contours are shown.