Vortex structure and local helicity in turbulence
K. Ohkitani (RIMS, Kyoto)
We investigate turbulence numerically by using the Kuzmin-Osedelets
formalism. An attempt is made to characterize vortex structure via local
helicity. Alignment statistics of 'velocity' w.r.t. rate-of-strain is
studied. Two-dimensional flows will also be considered in this formulation.
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