Rayleigh-Taylor Instability Rayleigh-Taylor instability with Ri=infinity, Ra=6 million, Re=300 Animation	Kelvin-Helmholtz Instability Kelvin-Helmholtz instability with Ri=.038, Re=5000 Animation
Mixed instability with -0.25 < Ri < 0 (Shear dominated) Dominant shear instability with Ri=-0.038, Ra=3.4 million, Re=3600 Animation	Mixed instability with Ri < -0.25 (Buoyancy dominated) Dominant convective instability with Ri=-1.34, Ra=31 million, Re=1800 Animation