aPriori.DNS.plot_power_spectrum

aPriori.DNS.plot_power_spectrum(field, C=5)

Plots the power spectrum of a 3D field.

This function performs a 3D Fourier Transform on the input field, computes the power spectrum, and plots both the power spectrum and its averaged version. It also includes a reference line proportional to k^(-5/3).

Parameters:

fieldnp.ndarray

The 3D field for which the power spectrum is to be plotted.

Cfloat, optional

The proportionality constant for the reference line. Default is 5.

Returns:

: None

Example:

>>> field = np.random.random((64, 64, 64))
>>> plot_power_spectrum(field)