%---- Relevant files % if restarting from snapshot file: % (1) rename InitCondFile to snapshot file name base, excluding block number and '.hdf5' % (2) change ICFormat to hdf5 = 3 % (3) change submission script to pass restart argument = 2 InitCondFile initial_condition/ic_agora_m12m_ref13_rad5-chull.ics %InitCondFile output/snapdir_402/snapshot_402 OutputDir output %---- File formats ICFormat 3 % 1 = binary, 3 = hdf5, 4 = cluster SnapFormat 3 % 1 = binary, 3 = hdf5 %---- Output parameters RestartFile restart SnapshotFileBase snapshot OutputListOn 1 % = 1 to use list in "OutputListFilename" OutputListFilename snapshot_scale-factors.txt % list of scale factors for snapshots NumFilesPerSnapshot 8 NumFilesWrittenInParallel 32 % must be <= N_processors and power of 2 %---- Output frequency (use if OutputListOn = 0) TimeOfFirstSnapshot 0.01 TimeBetSnapshot 1.1 TimeBetStatistics 0.05 %---- CPU-time limits % 5 day -> 500000, 2 day -> 202000, 1 day -> 100000, 8 hr -> 33000, 2hr -> 8000, 1 hr -> 3900 TimeLimitCPU 500000 % in seconds. stops at 85% CpuTimeBetRestartFile 3500 % in seconds ResubmitOn 0 ResubmitCommand none %----- Memory allocation MaxMemSize 6100 % in MByte. maximum memory per MPI task (increase if multi-threading) PartAllocFactor 2.1 % memory load (x average particles per MPI task) allowed for better cpu balance BufferSize 60 % in MByte %---- Characteristics of run TimeBegin 0.00990099 % beginning (scale factor) of simulation TimeMax 1.0 % ending (scale factor) of simulation %---- Cosmological parameters ComovingIntegrationOn 1 % is it cosmological? (yes = 1, no = 0) BoxSize 60000. % in code units [default in kpc/h] Omega0 0.272 % = 0 for non-cosmological OmegaLambda 0.728 % = 0 for non-cosmological OmegaBaryon 0.0455 % = 0 for non-cosmological HubbleParam 0.702 % little 'h'; = 1 for non-cosmological runs %---- Accuracy of time integration MaxSizeTimestep 0.005 % for cosmological, in units of delta(ln(a)) MinSizeTimestep 1e-15 % set this low, or risk stability %---- Tree algorithm, force accuracy, domain update frequency TreeDomainUpdateFrequency 0.01 % 0.0005 - 0.05, depending on core+particle number %---- System of units UnitLength_in_cm 3.085678e21 % sets to 1.0 kpc / h UnitMass_in_g 1.989e43 % sets to 1e10 M_sun / h UnitVelocity_in_cm_per_s 1.0e5 % sets to 1 km / sec UnitMagneticField_in_gauss 1.0 % sets to 1 gauss GravityConstantInternal 0 % calculated by code if = 0 %---- Initial temperature & temperature floor InitGasTemp 0 % set by IC file if = 0. if IC file value != 0, use that instead MinGasTemp 10. % don't set < 10 in explicit feedback runs, otherwise 0 %---- Density/volume estimation (kernel) DesNumNgb 32 % 32 for standard kernel, 60 - 114 for quintic MaxHsml 1.0e6 % maximum gas kernel length (some large value to prevent errors) MinGasHsmlFractional 1.0 % minimum kernel length relative to gas force softening (<= 1) %---- Gravitational softening lengths %----- Softening lengths per particle type. If ADAPTIVE_GRAVSOFT is set, these %-------- are the minimum softening allowed for each type ------- %-------- (units are co-moving for cosmological integrations) SofteningDisk 2 % low-resolution dark matter/collisionless particles (type = 2) SofteningHalo 0.28 % high-resolution dark matter/collisionless particles (type = 1) SofteningGas 0.0028 % gas (type = 0) SofteningStars 0.028 % stars spawned from gas (type = 4) SofteningBulge 1 % collisionless particles (type = 3) SofteningBndry 1 % black holes (if active), or collisionless (type = 5) %---- if these are set in cosmological runs, SofteningX switches from comoving to physical %------- units when the comoving value exceeds the choice here SofteningDiskMaxPhys 0.2 SofteningHaloMaxPhys 0.028 SofteningGasMaxPhys 0.00028 SofteningStarsMaxPhys 0.0028 SofteningBulgeMaxPhys 1 SofteningBndryMaxPhys 1 %----- parameters for adaptive gravitational softening AGS_DesNumNgb 32 % neighbor number for calculating adaptive gravsoft %------------------------------------------------------------ %------------------ Additional Fluid Physics ---------------- %------------------------------------------------------------ %---- Magneto-Hydrodynamics Parameters (MAGNETIC on) %--- Initial B-Field Strengths (if B_SET_IN_PARAMS on, otherwise read from IC file) BiniX 1.0e-8 % initial B_x, in code units BiniY 1.0e-8 % initial B_y, in code units BiniZ 1.0e-8 % initial B_z, in code units %---- Thermal Conduction (CONDUCTION on) %--- set coefficient kappa [code units] or, if CONDUCTION_SPITZER on, multiplies value ConductionCoeff 1.0 % set/multiply conduction coefficient %---- Navier-Stokes Viscosity (VISCOSITY on) %--- set coefficients eta,zeta [code units] or, if VISCOSITY_BRAGINSKII on, multiplies value ShearViscosityCoeff 1.0 % set/multiply shear viscosity coefficient BulkViscosityCoeff 1.0 % set/multiply bulk viscosity coefficient %---- Turbulent Diffusion Master Switch (TURB_DIFFUSION on) TurbDiffusionCoefficient 1.0 % Normalizes diffusion rates relative to Smagorinsky-Lilly theory [best calibration] (~0.5-2) %--- Cosmic Ray + Gas Fluids (COSMIC_RAYS) CosmicRayDiffusionCoeff 1.0 % multiplies anisotropic diffusion/streaming coefficients %------------------------------------------------------------------------- %------------------ Star, Black Hole, and Galaxy Formation --------------- %------------------------------------------------------------------------- %---- Star Formation parameters (GALSF on) CritPhysDensity 1000. % critical physical density for star formation (cm^(-3)) SfEffPerFreeFall 1.0 % SFR/(M_gas/t_freefall) for gas which meets SF criteria %-------------- FIRE (PFH) explicit star formation & feedback model %--- initial metallicity of gas & stars in simulation InitMetallicity 0.0001 % in solar. initial gas+stellar metallicity InitStellarAge 0.001 % in Gyr. initial mean age for stars in ICs %--- local radiation-pressure driven winds (GALSF_FB_RPWIND_LOCAL) WindMomentumLoading 1.0 % fraction of photon momentum to couple %--- SneII Heating Model (GALSF_FB_SNE_HEATING) SNeIIEnergyFrac 1.0 % fraction of mechanical energy to couple %--- HII region photo-heating model (GALSF_FB_HII_HEATING) HIIRegion_fLum_Coupled 1.0 % fraction of ionizing photons allowed to see gas %--- long-range radiation pressure acceleration (GALSF_FB_RT_PHOTONMOMENTUM) PhotonMomentum_Coupled_Fraction 1.0 % fraction of L to allow incident PhotonMomentum_fUV 0.01 % incident SED f(L) in UV (minimum scattering) PhotonMomentum_fOPT 0.01 % incident SED f(L) in optical/near-IR %--- gas return/recycling (GALSF_FB_GASRETURN) GasReturnFraction 1.0 % fraction of gas mass returned (relative to ssp) GasReturnEnergy 1.0 % fraction of returned gas energy+momentum (relative to ssp) %--- cosmic rays (COSMIC_RAYS) CosmicRay_SNeFraction 0.1 % fraction of SNe ejecta kinetic energy into cosmic rays (~10%) %-------------- Grackle UVB file (GRACKLE on) GrackleDataFile CloudyData_UVB=HM2012.h5 %------SIDM parameters InteractionCrossSection 1.0 % cm^2 / g SIDMSmoothingFactor 0.5 % SIDM Smoothing Length in units of the force softening