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Matthieu Schaller authoredMatthieu Schaller authored
parameter_example.yml 5.88 KiB
# Define the system of units to use internally.
InternalUnitSystem:
UnitMass_in_cgs: 1 # Grams
UnitLength_in_cgs: 1 # Centimeters
UnitVelocity_in_cgs: 1 # Centimeters per second
UnitCurrent_in_cgs: 1 # Amperes
UnitTemp_in_cgs: 1 # Kelvin
# Parameters for the task scheduling
Scheduler:
nr_queues: 0 # (Optional) The number of task queues to use. Use 0 to let the system decide.
cell_max_size: 8000000 # (Optional) Maximal number of interactions per task if we force the split (this is the default value).
cell_sub_size: 64000000 # (Optional) Maximal number of interactions per sub-task (this is the default value).
cell_split_size: 400 # (Optional) Maximal number of particles per cell (this is the default value).
cell_max_count: 10000 # (Optional) Maximal number of particles per cell allowed before triggering a sanitizing (this is the default value).
# Parameters governing the time integration
TimeIntegration:
time_begin: 0. # The starting time of the simulation (in internal units).
time_end: 1. # The end time of the simulation (in internal units).
dt_min: 1e-6 # The minimal time-step size of the simulation (in internal units).
dt_max: 1e-2 # The maximal time-step size of the simulation (in internal units).
# Parameters governing the snapshots
Snapshots:
basename: output # Common part of the name of output files
time_first: 0. # Time of the first output (in internal units)
delta_time: 0.01 # Time difference between consecutive outputs (in internal units)
compression: 0 # (Optional) Set the level of compression of the HDF5 datasets [0-9]. 0 does no compression.
UnitMass_in_cgs: 1 # (Optional) Unit system for the outputs (Grams)
UnitLength_in_cgs: 1 # (Optional) Unit system for the outputs (Centimeters)
UnitVelocity_in_cgs: 1 # (Optional) Unit system for the outputs (Centimeters per second)
UnitCurrent_in_cgs: 1 # (Optional) Unit system for the outputs (Amperes)
UnitTemp_in_cgs: 1 # (Optional) Unit system for the outputs (Kelvin)
# Parameters governing the conserved quantities statistics
Statistics:
delta_time: 1e-2 # Time between statistics output
energy_file_name: energy # (Optional) File name for energy output
timestep_file_name: timesteps # (Optional) File name for timing information output. Note: No underscores "_" allowed in file name
# Parameters for the hydrodynamics scheme
SPH:
resolution_eta: 1.2348 # Target smoothing length in units of the mean inter-particle separation (1.2348 == 48Ngbs with the cubic spline kernel).
delta_neighbours: 0.1 # The tolerance for the targetted number of neighbours.
max_ghost_iterations: 30 # (Optional) Maximal number of iterations allowed to converge towards the smoothing length.
max_smoothing_length: 0.1 # Maximal smoothing length allowed (in internal units).
CFL_condition: 0.1 # Courant-Friedrich-Levy condition for time integration.
max_volume_change: 2. # (Optional) Maximal allowed change of kernel volume over one time-step
# Parameters related to the initial conditions
InitialConditions:
file_name: SedovBlast/sedov.hdf5 # The file to read
h_scaling: 1. # (Optional) A scaling factor to apply to all smoothing lengths in the ICs.
shift_x: 0. # (Optional) A shift to apply to all particles read from the ICs (in internal units).
shift_y: 0.
shift_z: 0.
# Parameters governing domain decomposition
DomainDecomposition:
initial_type: m # (Optional) The initial strategy ("g", "m", "w", or "v").
initial_grid_x: 10 # (Optional) Grid size if the "g" strategy is chosen.
initial_grid_y: 10
initial_grid_z: 10
repartition_type: b # (Optional) The re-decomposition strategy ("n", "b", "v", "e" or "x").
# Parameters related to external potentials --------------------------------------------
# Point mass external potentials
PointMassPotential: