Settings

coag_settings{FT<:AbstractFloat}

A struct representing the settings for coalescence.

Fields

• FT: AbstractFloat.
• Δt: The time step for the coalescence simulation.
• ΔV: The volume of the coalescence domain.
• Ns: The number of superdroplets.
• R_min: The minimum radius of sampled droplets, used in some initializations. Radius in meters
• R_max: The maximum radius of sampled droplets, used in some initializations. Radius in meters.
• golovin_kernel_coeff: The Golovin kernel coefficient, 1/seconds.
• hydrodynamic_collision_eff_func: A boolean indicating whether to use the hydrodynamic collision efficiency function. Currently not implemented.
• kernel: The kernel function used for coalescence. Implemented options are golovin or hydrodynamic, can take any user implemented function with input type (::dropletattributes, pairindex::Tuple{Int,Int}, ::coagsettings{FT}).
• n0: The initial real world droplet concentration.
• R0: The initial seed radius of the droplets.

dynamic_settings

Settings for the SCM, including timestep, number of substeps for condensation/coagulation/radiation,
and which dynamics are on/off.

scm_settings

Top-level bundle of the settings structs needed to run the single-column model
(coalescence, condensation, turbulence, MPDATA advection, spatial grid), plus the
run-level scalars that don't belong to any one process: RNG seed, coalescence
threading/substep scheme, global timestep, condensation/coalescence/radiation
substep counts, and spin-up duration.

struct run_settings{FT<:AbstractFloat}

A struct representing the run settings for the binning process.

Fields:

• FT: The type of floating-point numbers used in the run settings.
• num_bins: The number of bins to use for binning output(default: 128).
• radius_bins_edges: The edges of the bins for the radius (default: logarithmic scale from 10e-6 to 5e3e-6).
• smooth: A boolean indicating whether to apply smoothing to the bins (default: true).
• smooth_scope: The scope of smoothing (default: 2).
• init_random_seed: The random seed for initialization (default: 30).
• coag_threading: The threading method for coalescence (default: Serial).
  • Serial() or Parallel()
• scheme: The scheme to use for coalescence (default: none). -none(), Adaptive()
• output_steps: The time steps at which to output the results (default: [0, 1200, 2400, 3600]).
• init_method: The method to use for initialization (default: init_logarithmic).
  • initlogarithmic,initξconst, inituniform_sd
• binning_method: The method to use for binning (default: massdensitylnr). (a function that takes droplets and coagsettings as arguments)
• normalize_bins_dlnr: A boolean indicating whether to normalize the bins by the logarithm of the radius (default: true).