Scientific Python and Julia tutorials

2 of 144 tutorials

python rfft2 Clear all

Tool Python Advanced 40 min

2D turbulence with a pseudo-spectral solver: eddies merge into vortices

Afterwards you can solve 2D Navier-Stokes in vorticity form with numpy.fft, dealias it, validate it on the Taylor-Green vortex, and measure an energy spectrum.

Partial differential equations Engineering, Geology, Physics

Tool Python Intermediate 40 min

Cahn-Hilliard with a semi-implicit spectral step: how fast domains grow

Afterwards you can solve a stiff periodic PDE with a dealiased semi-implicit spectral step in numpy.fft and measure a coarsening law from a microstructure.

Partial differential equations Chemistry, Engineering, Physics