Figure 16 - uploaded by Johan Anderson
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Snapshots of vorticity and density at t=5000 from DNS. The blue curve in both plots shows the zonal velocity whose values are given on the right hand axes. An example coherent vortex, that was moving upwards is encircled.

Snapshots of vorticity and density at t=5000 from DNS. The blue curve in both plots shows the zonal velocity whose values are given on the right hand axes. An example coherent vortex, that was moving upwards is encircled.

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Hasegawa-Wakatani system, commonly used as a toy model of dissipative drift waves in fusion devices is revisited with considerations of phase and amplitude dynamics of its triadic interactions. It is observed that a single resonant triad can saturate via three way phase locking where the phase differences between dominant modes converge to constant...