krook_collisions

Add Krook collision operator for electrons

Note that this function operates on a single point in r, so pdf_out, pdf_in, dens_in, upar_in, upar_ion_in, and vth_in should have no r-dimension.

Add collision operator

Currently Krook collisions

Function for reading Krook collision operator input parameters. Structure the namelist as follows.

[krookcollisions] usekrook = true nuii0 = 1.0 frequency_option = "manual"