Usage
genparam(ParamFile = "galaxy.param", ParamBase = "./HernTest/",
InitCondFile = "./HernStart.gdt", OutputDir = "./HernTest/", EnergyFile = "energy.txt",
InfoFile = "info.txt", TimingsFile = "timings.txt", CpuFile = "cpu.txt",
RestartFile = "restart", SnapshotFileBase = "snapshot",
OutputListFilename = "parameterfiles/output_list.txt", TimeLimitCPU = 36000,
ResubmitOn = 0, ResubmitCommand = "my-scriptfile", ICFormat = 1, SnapFormat = 1,
ComovingIntegrationOn = 0, TypeOfTimestepCriterion = 0, OutputListOn = 0,
PeriodicBoundariesOn = 0, TimeBegin = 0, TimeMax = 0.001, Omega0 = 0, OmegaLambda = 0,
OmegaBaryon = 0, HubbleParam = 1, BoxSize = 0, TimeBetSnapshot = 1e-05,
TimeOfFirstSnapshot = 0, CpuTimeBetRestartFile = 36000, TimeBetStatistics = 0.05,
NumFilesPerSnapshot = 1, NumFilesWrittenInParallel = 1, ErrTolIntAccuracy = 0.025,
CourantFac = 0.3, MaxSizeTimestep = 0.1, MinSizeTimestep = 0, ErrTolTheta = 0.5,
TypeOfOpeningCriterion = 1, ErrTolForceAcc = 0.005, TreeDomainUpdateFrequency = 0.1,
DesNumNgb = 32, MaxNumNgbDeviation = 8, ArtBulkViscConst = 1, InitGasTemp = 0,
MinGasTemp = 100, PartAllocFactor = 3.0, TreeAllocFactor = 4.8, BufferSize = 25,
UnitLength_in_cm = 3.085678e+21, UnitMass_in_g = 1.989e+43,
UnitVelocity_in_cm_per_s = 1e+05, GravityConstantInternal = 0,
MinGasHsmlFractional = 0.25, SofteningGas = 1e-04, SofteningHalo = 1e-04,
SofteningDisk = 0.4, SofteningBulge = 0.8, SofteningStars = 0, SofteningBndry = 0.1,
SofteningGasMaxPhys = 1e-04, SofteningHaloMaxPhys = 1e-04, SofteningDiskMaxPhys = 0.4,
SofteningBulgeMaxPhys = 0.8, SofteningStarsMaxPhys = 0, SofteningBndryMaxPhys = 0.1,
MaxRMSDisplacementFac = 0.2, NFWConcentration = 10, VirialMass = 200, FlatRadius = 1e-05,
DeltaVir = 200, addNFW = FALSE)
Arguments
ParamFile
Name for the paramter file
ParamBase
Base file path for the paramter file
InitCondFile
Full path of file containing initial conditions
OutputDir
Base directory in which to put the major Gadget outputs, including snapshots etc
EnergyFile
Name to give energy file
InfoFile
Name to give info file
TimingsFile
Name to give timings file
CpuFile
Name to give CPU file
RestartFile
Name to give restart file
SnapshotFileBase
Base name for snapshots, appended by snapshot number
OutputListFilename
Name of file containing output times / expansion factors
TimeLimitCPU
Max CPU time to use for Gadget run
ResubmitOn
Flag to tell super-computer there is a resubmit file
ResubmitCommand
Specific to super-computer resubmit command
ICFormat
Initial conditions format: PUT OPTIONS IN TABLE HERE
SnapFormat
Snapshot format: PUT OPTIONS IN TABLE HERE
ComovingIntegrationOn
Allow for expansion of Universe
TypeOfTimestepCriterion
Type of particle integrator- leave at 0
OutputListOn
Flag to tell it to use OutputListFilename as input
PeriodicBoundariesOn
Flag to turn on/off periodic box boundaries, only needed for large cosmological runs
TimeBegin
Time at the beginning of simulation
TimeMax
Max time to evolve particles to
Omega0
Total energy density
OmegaLambda
Cosmological constant energy density
OmegaBaryon
Baryonic energy density
HubbleParam
Value of H0/100 to be used
BoxSize
Length of box edge (important for cosmological runs only)
TimeBetSnapshot
Time between snapshots
TimeOfFirstSnapshot
Time at which to output first snapshot
CpuTimeBetRestartFile
How often to output full restart file
TimeBetStatistics
Time between energy.txt updates
NumFilesPerSnapshot
How many files to split snapshots over
NumFilesWrittenInParallel
How many files to split snapshots over (probably ignore)
ErrTolIntAccuracy
Orbital integration accuracy
CourantFac
Limit on time step compared to sound crossing time for hydro runs
MaxSizeTimestep
Maximum time step allowed
MinSizeTimestep
Minimum time step allowed
ErrTolTheta
Controls the accurary of integration (smaller is closer to direct N-body)
TypeOfOpeningCriterion
Barnes-Hut or modified opening criteria (probably ignore)
ErrTolForceAcc
Only used for modified opening criterion (use default)
TreeDomainUpdateFrequency
How often should a tree be constructed
DesNumNgb
Number of neighbours to use for denisty estimation in SPH
MaxNumNgbDeviation
How much tolerance is allowed when finding neighbours
ArtBulkViscConst
Artificial viscosity term (use default)
InitGasTemp
Initial gas temperature
MinGasTemp
Minimum gas temperature allowed in the run
PartAllocFactor
Memory buffer per particle per processor
TreeAllocFactor
Memory buffer for tree calculation
BufferSize
Total memory buffer between processors
UnitLength_in_cm
Assumed IC distance units in cm (default assumes Kpc for input)
UnitMass_in_g
Assumed mass of provided IC mass units in grams (default assumes 1e10 Msun for input)
UnitVelocity_in_cm_per_s
Assumed velocity of provided units in cm/s (default assumes km/s)
GravityConstantInternal
Internal units for g
MinGasHsmlFractional
Minimum multiplicitive factor for smoothing length in hyrdo gas
SofteningGas
Softening to use for gas particles
SofteningHalo
Softening to use for halo particles
SofteningDisk
Softening to use for disk particles
SofteningBulge
Softening to use for bulge particles
SofteningStars
Softening to use for star particles
SofteningBndry
Softening to use for boundary particles
SofteningGasMaxPhys
Physical softening to use for gas particles (only relevant for Cosmo run)
SofteningHaloMaxPhys
Physical softening to use for halo particles (only relevant for Cosmo run)
SofteningDiskMaxPhys
Physical softening to use for disk particles (only relevant for Cosmo run)
SofteningBulgeMaxPhys
Physical softening to use for bulge particles (only relevant for Cosmo run)
SofteningStarsMaxPhys
Physical softening to use for star particles (only relevant for Cosmo run)
SofteningBndryMaxPhys
Physical softening to use for boundary particles (only relevant for Cosmo run)
MaxRMSDisplacementFac
Biggest distance that a particle can move in a time step
NFWConcentration
Concentration of analytic NFW profile, addNFW must be set to TRUE
VirialMass
Mass within virial radius of analytic NFW profile, addNFW must be set to TRUE
FlatRadius
Forces the NFW profile to be cored (not cusped), addNFW must be set to TRUE
DeltaVir
Virial overdensity of NFW profile, addNFW must be set to TRUE
addNFW
Logic determining whether the analyic NFW specific paramters be added to the setup file? See above