Source code for dustpy.std.grid
'''Module containing standard functions for the grids.'''
import dustpy.constants as c
import numpy as np
[docs]
def OmegaK(sim):
"""Function calculates the Keplerian frequency.
Parameters
----------
sim : Frame
Parent simulation frame
Returns
-------
OmegaK : Field
Keplerian frequency"""
return np.sqrt(c.G * sim.star.M / sim.grid.r**3)