Internal gravity waves in stratified flows with and without vortical modes
Internal gravity waves in stratified flows with and without vortical modes
We analyze direct numerical simulations of stratified turbulence without shear modes, and with or without vortical modes at various Froude and buoyancy Reynolds numbers. It allows us to investigate the effects of vortical modes on the dynamics of stratified flows. A spatiotemporal analysis reveals slow internal gravity waves interacting by …