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Posted: **Tue Jul 05, 2022 7:29 am**

: The Time Evolution Of The Different Wavenumber Components Is Com Puted As The Fourier Transform Of The Navier Stokes Eq 1 (22.01 KiB) Viewed 12 times

The time evolution of the different wavenumber components is com- puted as the Fourier transform of the Navier-Stokes equations (3.2.1) and (3.2.2) d û(k, t() = −vk²û(k,t) + — 3 (1 − kk). - dt - } ³ (1 −k² ) · Σ _[0(k², z) - k²u(k², z)] +i(k), t) k"û(k", k'+k"=k (3.3.9)