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updated and cleaned up example config file
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Oliver Hahn
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1 changed files with 47 additions and 45 deletions
92
example.conf
92
example.conf
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#########################################################################################
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# Example conf file for MUSIC2 - monofonIC single resolution simulation ICs
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# Example config file for MUSIC2 - monofonIC single resolution simulation ICs
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# version 1 from 2020/08/23
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#########################################################################################
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#########################################################################################
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[setup]
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# number of grid cells per linear dimension for calculations = particles for sc initial load
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GridRes = 128
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# length of the box in Mpc/h
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BoxLength = 300
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GridRes = 128 # number of grid cells per linear dimension for calculations
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# = particles for sc initial load
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BoxLength = 300 # length of the box in Mpc/h
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zstart = 24.0 # starting redshift
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# starting redshift
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zstart = 24.0
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LPTorder = 3 # order of the LPT to be used (1,2 or 3)
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# order of the LPT to be used (1,2 or 3)
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LPTorder = 3
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DoBaryons = no # also do baryon ICs?
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# also do baryon ICs?
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DoBaryons = no
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DoFixing = yes # do mode fixing à la Angulo&Pontzen (https://arxiv.org/abs/1603.05253)
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DoInversion = no # invert phases (for paired simulations)
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# do mode fixing à la Angulo&Pontzen
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DoFixing = yes
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# invert phases (for paired simulations)
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DoInversion = no
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# particle load, can be 'sc' (1x), 'bcc' (2x) or 'fcc' (4x) (increases number of particles by factor!) or 'glass'
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ParticleLoad = sc
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# if `ParticleLoad = glass' then specify here where to load the glass distribution from
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#GlassFileName = glass128.hdf5
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#GlassTiles = 1
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ParticleLoad = sc # particle load, can be 'sc' (1x), 'bcc' (2x) or 'fcc' (4x)
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# (increases number of particles by given factor!), or 'glass'
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## if `ParticleLoad = glass' then specify here where to load the glass distribution from
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# GlassFileName = glass128.hdf5
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# GlassTiles = 1
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#########################################################################################
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[cosmology]
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## transfer = ... specifies the Einstein-Boltzmann plugin module
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# transfer = eisenstein # Eisenstein&Hu fitting formula
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# transfer = file_CAMB # CAMB file to be specified as 'transfer_file = ...'
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# transfer_file = wmap5_transfer_out_z0.dat
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transfer = CLASS # CLASS module (if enabled in CMake file)
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ztarget = 2.5 # target redshift for CLASS module, output at ztarget will be back-scaled to zstart
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# main cosmological parameters
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Omega_m = 0.302
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Omega_b = 0.045
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Omega_L = 0.698
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H0 = 70.3
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nspec = 0.961
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sigma_8 = 0.811
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# A_s = 2.148752e-09 # can use instead of sigma_8
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ZeroRadiation = true # For Back-scaling: set to false if your simulation code can deal with Omega_r!=0
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ZeroRadiation = false # For Back-scaling only: set to true if your simulation code
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# can deal with Omega_r!=0 in its background FLRW model
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# Additional cosmological parameters (set by default to the given values)
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## Additional cosmological parameters (set by default to the given values)
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# w0 = -1.0
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# wa = 0.0
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# Tcmb = 2.7255
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# Neff = 3.046
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# anisotropic large scale tidal field
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# see Stuecker+2020
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## Use below for anisotropic large scale tidal field ICs up to 2LPT
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## see Stuecker+2020 (https://arxiv.org/abs/2003.06427)
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# LSS_aniso_lx = +0.1
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# LSS_aniso_ly = +0.1
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# LSS_aniso_lz = -0.2
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### MODULES: ###
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##> Eisenstein & Hu (1997) fitting formulae
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## this is fast, but not too accurate. Also baryons trace CDM here.
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## see https://arxiv.org/abs/astro-ph/9709112
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# transfer = eisenstein
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##> CAMB transfer function file module
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## This should be transfer function output with CAMB (https://camb.info)
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## at the *target* redshift
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# transfer = file_CAMB # CAMB file to be specified as 'transfer_file = ...'
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# transfer_file = wmap5_transfer_out_z0.dat
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##> CLASS module, which links to the actual CLASS C-code.
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## note that CLASS needs to be cloned as a git submodule and enabled in CMake file
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transfer = CLASS
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ztarget = 2.5 # target redshift for CLASS module, output at ztarget will be back-scaled to zstart
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# A_s = 2.148752e-09 # can use A_s instead of sigma_8 when using CLASS
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#########################################################################################
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[random]
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## generator = ... specifies the random field generator plugin module
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## > NGenIC compatible random number generator module compatible with V. Springel's original code
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##> NGenIC compatible random number generator module compatible with V. Springel's original code
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## (https://www.h-its.org/2014/11/05/ngenic-code/) as well as the 2LPT code by Pueblas&Scoccmiarro
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## (https://cosmo.nyu.edu/roman/2LPT/)
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generator = NGENIC
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seed = 12345
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## > The PANPHASIA generator uses a plugin based on original code by A. Jenkins
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##> The PANPHASIA generator uses a plugin based on original code by A. Jenkins
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## Warning: Before using this module, please make sure you read and agree to the distinct license
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## requirements by registering on the website http://icc.dur.ac.uk/Panphasia.php
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# generator = PANPHASIA
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# descriptor = [Panph1,L10,(800,224,576),S9,CH1564365824,MXXL]
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## > The MUSIC1 multi-scale random number generator is provided for convenience
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##> The MUSIC1 multi-scale random number generator is provided for convenience
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## warning: MUSIC1 generator is not MPI parallel (yet) (memory is needed for full field on each task)
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# generator = MUSIC1
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# seed[7] = 12345
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@ -95,12 +103,6 @@ seed = 12345
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# ConstraintFieldFile = initial_conditions.hdf5
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# ConstraintFieldName = ic_white_noise
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#########################################################################################
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[testing]
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# enables diagnostic output
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# can be 'none' (default), 'potentials_and_densities', 'velocity_displacement_symmetries', or 'convergence'
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test = none
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#########################################################################################
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[execution]
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