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Gear/src/params/params.chemistry2
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% Relevant files
InitCondFile snap.dat
OutputDir snap
EnergyFile energy.txt
SystemFile system.txt
InfoFile info.txt
TimingsFile timings.txt
CpuFile cpu.txt
LogFile log.txt
RestartFile restart
SnapshotFileBase snapshot
OutputListFilename snaplist.txt
% CPU-time limit
TimeLimitCPU 100000000
ResubmitOn 0
ResubmitCommand xyz
% Code options
ICFormat 1
SnapFormat 1
ComovingIntegrationOn 0
TypeOfTimestepCriterion 0
OutputListOn 0
PeriodicBoundariesOn 0
% Caracteristics of run
TimeBegin 0.0
TimeMax 3000
RandomSeed 77
Omega0 0
OmegaLambda 0
OmegaBaryon 0
HubbleParam 1.0
BoxSize 0
% Output frequency
TimeBetSnapshot 10.0
TimeOfFirstSnapshot 0
CpuTimeBetRestartFile 3600.0 ; here in seconds
TimeBetStatistics 50.
NumFilesPerSnapshot 1
NumFilesWrittenInParallel 1
% Accuracy of time integration
ErrTolIntAccuracy 0.05 % used for TypeOfTimestepCriterion==0
CourantFac 0.1 % for SPH
MaxSizeTimestep 1.0
MinSizeTimestep 0.0
% Tree algorithm, force accuracy, domain update frequency
ErrTolTheta 0.7
TypeOfOpeningCriterion 0
ErrTolForceAcc 0.05
TreeDomainUpdateFrequency 0.1 # 0.1
MaxRMSDisplacementFac 0.25
% Further parameters of SPH
DesNumNgb 50
MaxNumNgbDeviation 0.1
ArtBulkViscConst 0.8
InitGasTemp 0 % always ignored if set to 0
MinGasTemp 10
% cooling parameters
CoolingType 2 % 0=Sutherland 1=with heating 2=with metals
CoolingFile cooling.dat % cooling file
CutofCoolingTemperature 1e1 % below this value, the cooling is zero
InitGasMetallicity -10 % gas metallicity
% multiphase parameters
%PhaseFile phase.txt
%CriticalTemperature 1e4
%CriticalEgyFactor 1.00
%StickyLambda 1e-4 % sticky parameter
%StickyDensity 1e-24 % sticky density parameter
%StickyRsphFact 1.0 % 1 or less
% star formation parameters
SfrFile sfr.txt
StarFormationType 2 % 0=Rasera 1=Springel 2=use cstar
StarFormationCstar 0.1
StarFormationTime 190.0 % in Gyr (3:rasera,2.1:springel) not used if 2
StarFormationDensity 1.67e-25 % !!!!! remettre à -25 (treeasph)!!! in g/cm3 (5.7e-27:rasera)
StarFormationTemperature 3e4 % in Kelvin (not used when sticky)
StarFormationNStarsFromGas 4
StarFormationMgMsFraction 0.5 % min Gas-Star ratio allowed Mgas >= 0.5 Mstar
StarFormationStarMass 0.0 % mass of a star particle (usefull for restart=2)
% if set to 0, it is taken as the
% mean mass of gas particles divided by NStarsFromGas
% chimie parameters
ChimieFile chimie.txt
ChimieNumberOfParameterFiles 1
ChimieParameterFile chimie.yr.dat
ChimieMaxSizeTimestep 0.2 % Myr
ChimieKineticFeedbackFraction 0 % fraction of energy released in kinetic form
ChimieWindSpeed 1 % km/s
ChimieWindTime 15 % Myr
ChimieSNIaThermalTime 5 % Myr
ChimieSNIIThermalTime 5 % Myr
ChimieSupernovaEnergy 3e49 % supernova energy in erg
% feedback parameters
%SupernovaEgySpecPerMassUnit 5e14 % in cgs : (erg/g) (5e14=1e48erg/Msol)
%SupernovaFractionInEgyKin 0.9
%SupernovaTime 5 % in code unit
% bubbles
%BubbleFile bubble.txt
%BubblesInitFile bubbles.dat
%BubblesDelta 0.5
%BubblesAlpha 1.0
%BubblesRadiusFactor 0.25
% agn_feedback
%AccretionFile accretion.txt
%TimeBetAccretion 2
%AccretionRadius 10 % in code unit
%AGNFactor 0.00015
%MinMTotInRa 0.08 % in code unit
% outer potential
% NFW
%HaloMass 1e15 % M200 (gas+dm) in Msolar
%HaloConcentration 5.
%GasMassFraction 0.15
% Pseudo-isothermal potential
%Rho0 6.2e-05 % in user unit (with gas)
%Rc 40 % in user unit
%GasMassFraction 0.15
% Memory allocation
PartAllocFactor 10.0
StarsAllocFactor 0.25
TreeAllocFactor 10.
BufferSize 50 % in MByte
% System of units
UnitLength_in_cm 3.085e+21
UnitMass_in_g 1.989e+43
UnitVelocity_in_cm_per_s 20725573.785998672
GravityConstantInternal 0.0 % if set to zero, the physical value 6.672e-8
% is taken
% Softening lengths
MinGasHsmlFractional 0.1 % minimum softening in terms of the gravitational
% softening length
SofteningGas 0.05
SofteningHalo 0.05
SofteningDisk 0.125
SofteningBulge 0.125
SofteningStars 0.125
SofteningBndry 0.125
SofteningGasMaxPhys 0.05
SofteningHaloMaxPhys 0.05
SofteningDiskMaxPhys 0.125
SofteningBulgeMaxPhys 0.125
SofteningStarsMaxPhys 0.125
SofteningBndryMaxPhys 0.125
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