helmholtz

Helmholtz-Hodge decomposition using fft

turbulence_velcoity_field_generation

Generate 3D velocity field on grid of shape (NX, NY, NZ), that has Gaussian pdf, and a given (Kolmogorov-like) power spectrum E(k) with specified normalisation sigma_V and k_max

cic

python code for cloud-in-cell interpolation

hankel

Python code for fast computation of Hankel transforms using Ogata 2005 method

Read_numpy_array_with_Fortran

Pass array from python to Fortran