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141 lines
4.8 KiB
Text
141 lines
4.8 KiB
Text
#########################################################################################
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# Example conf file for MUSIC2 - monofonIC single resolution simulation ICs
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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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# starting redshift
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zstart = 24.0
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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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# also do baryon ICs?
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DoBaryons = no
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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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#########################################################################################
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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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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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# 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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# 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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#########################################################################################
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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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## (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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## 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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## 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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# seed[8] = 23456
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# seed[9] = 34567
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# Add a possible constraint field here:
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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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# Specify the number of threads / task
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NumThreads = 8
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#########################################################################################
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[output]
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## format = .... specifies the output plugin module
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##> RAMSES / GRAFIC2 compatible format
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# format = grafic2
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# filename = ics_ramses
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# grafic_use_SPT = no # if no then uses PPT, otherwise linear SPT
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##> Gadget-2/3 'fortran unformatted binary'-style format
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# format = gadget2
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# filename = ics_gadget.dat
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# UseLongids = false
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##> Gadget-2/3 HDF5 format
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# format = gadget_hdf5
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# filename = ics_gadget.hdf5
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##> Arepo HDF5 format (virtually identical to gadget_hdf5)
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# format = AREPO
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# filename = ics_arepo.hdf5
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##> HACC compatible generic-io format
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# format = genericio
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# filename = ics_hacc
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##> Generic HDF5 output format for testing or PT-based calculations
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# format = generic
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# filename = debug.hdf5
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# generic_out_eulerian = yes # if yes then uses PPT for output
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