added example galaxy_merger_star_formation_3d

examples/galaxy_merger_star_formation_3d/Config.sh

+#!/bin/bash        	# this line only there to enable syntax highlighting in this file
+
+#########################################################
+#  Enable/Disable compile-time options as needed        #
+#  examples/galaxy_merger_star_formation_3d/Config.sh   #
+#########################################################
+
+
+#--------------------------------------- Mesh motion and regularization
+REGULARIZE_MESH_CM_DRIFT                 # Mesh regularization; Move mesh generating point towards center of mass to make cells rounder.
+REGULARIZE_MESH_CM_DRIFT_USE_SOUNDSPEED  # Limit mesh regularization speed by local sound speed
+REGULARIZE_MESH_FACE_ANGLE               # Use maximum face angle as roundness criterion in mesh regularization
+
+
+#--------------------------------------- Refinement and derefinement
+REFINEMENT_SPLIT_CELLS                   # Refinement
+REFINEMENT_MERGE_CELLS                   # Derefinement
+REFINEMENT_VOLUME_LIMIT                  # Limit the volume of cells and the maximum volume difference between neighboring cels
+NODEREFINE_BACKGROUND_GRID               # Do not de-refine low-res gas cells in zoom simulations
+
+
+#--------------------------------------- Time integration options
+TREE_BASED_TIMESTEPS                     # non-local timestep criterion (take 'signal speed' into account)
+
+
+#--------------------------------------- Gravity treatment
+SELFGRAVITY                              # gravitational intraction between simulation particles/cells 	 
+HIERARCHICAL_GRAVITY                     # use hierarchical splitting of the time integration of the gravity
+CELL_CENTER_GRAVITY                      # uses geometric centers to calculate gravity of cells, only possible with HIERARCHICAL_GRAVITY
+ALLOW_DIRECT_SUMMATION                   # Performed direct summation instead of tree-based gravity if number of active particles < DIRECT_SUMMATION_THRESHOLD (= 3000 unless specified differently here)
+DIRECT_SUMMATION_THRESHOLD=500           # Overrides maximum number of active particles for which direct summation is performed instead of tree based calculation
+GRAVITY_NOT_PERIODIC                     # gravity is not treated periodically
+RANDOMIZE_DOMAINCENTER                   # random displacement to position of domain center; avoids correlated force-errors, important mainly for isolated systems (which otherwise might start to drift in some direction).
+
+
+#--------------------------------------- Gravity softening
+NSOFTTYPES=2                             # Number of different softening values to which particle types can be mapped.
+MULTIPLE_NODE_SOFTENING                  # If a tree node is to be used which is softened, this is done with the softenings of its different mass components
+INDIVIDUAL_GRAVITY_SOFTENING=32          # bitmask with particle types where the softenig type should be chosen with that of parttype 1 as a reference type
+ADAPTIVE_HYDRO_SOFTENING                 # Adaptive softening of gas cells depending on their size
+
+
+#--------------------------------------- Single/Double Precision
+DOUBLEPRECISION=1                        # Mode of double precision: not defined: single; 1: full double precision 2: mixed, 3: mixed, fewer single precisions; unless short of memory, use 1.
+NGB_TREE_DOUBLEPRECISION                 # if this is enabled, double precision is used for the neighbor node extension
+
+
+#-------------------------------------------- Things for special behaviour
+PROCESS_TIMES_OF_OUTPUTLIST              # goes through times of output list prior to starting the simulaiton to ensure that outputs are written as close to the desired time as possible (as opposed to at next possible time if this flag is not active)
+
+
+#--------------------------------------- Output/Input options
+HAVE_HDF5                                # needed when HDF5 I/O support is desired (recommended)
+
+
+#--------------------------------------- Testing and Debugging options
+DEBUG                                    # enables core-dumps
+
+
+#--------------------------------------- non-standard phyiscs
+ENFORCE_JEANS_STABILITY_OF_CELLS         # this imposes an adaptive floor for the temperature
+COOLING                                  # Simple primordial cooling
+USE_SFR                                  # Star formation model, turning dense gas into collisionless partices

examples/galaxy_merger_star_formation_3d/Config_ADDBACKGROUNDGRID.sh

+#!/bin/bash        	# this line only there to enable syntax highlighting in this file
+
+##########################################################################
+#  Enable/Disable compile-time options as needed                         #
+#  examples/galaxy_merger_star_formation_3d/Config_ADDBACKGROUNDGRID.sh  #
+##########################################################################
+
+
+#--------------------------------------- Basic operation mode of code
+ADDBACKGROUNDGRID=16                     # Re-grid hydrodynamics quantities on a Oct-tree AMR grid. This does not perform a simulation.
+
+
+#--------------------------------------- Mesh motion and regularization
+REGULARIZE_MESH_FACE_ANGLE               # Use maximum face angle as roundness criterion in mesh regularization
+
+
+#--------------------------------------- Gravity softening
+NSOFTTYPES=2                             # Number of different softening values to which particle types can be mapped.
+
+
+#--------------------------------------- output options
+HAVE_HDF5                                # needed when HDF5 I/O support is desired (recommended)
+

examples/galaxy_merger_star_formation_3d/check.py

+""" @package ./examples/galaxy_merger_star_formation_3d/check.py
+Code that checks results of 3d galaxy merger problem
+
+created by Rainer Weinberger, last modified 09.03.2019
+"""
+
+
+""" load libraries """
+import sys    ## system calls
+import numpy as np    ## load numpy
+import h5py    ## load h5py; needed to read snapshots
+import matplotlib.pyplot as plt    ## plot stuff
+from scipy.interpolate import interp1d    ## inetrpolation
+
+simulation_directory = str(sys.argv[1])
+print("examples/galaxy_merger_star_formation_3d/check.py: checking simulation output in directory " + simulation_directory) 
+
+createReferenceSolution = False
+createFigures = False
+
+FloatType = np.float64  # double precision: np.float64, for single use np.float32
+Gcgs = 6.6738e-8
+
+
+""" compare to reference output """
+data = np.loadtxt(simulation_directory+"/output/sfr.txt")
+if createReferenceSolution:
+    np.savetxt("./examples/galaxy_merger_star_formation_3d/sfr_reduced_ref.txt", data[::50,:])
+
+data_ref = np.loadtxt("./examples/galaxy_merger_star_formation_3d/sfr_reduced_ref.txt")
+time_ref = data_ref[:,0]
+mstar_ref =  data_ref[:,5]
+
+time = data[:,0]
+mstar =  data[:,5]
+
+time_probe = np.linspace(0.5,2.8,10)
+delta_mass_stars = np.zeros(time_probe.shape)
+avg_mass_stars = np.zeros(time_probe.shape)
+
+for i, t in enumerate(time_probe):
+    delta_mass_stars[i]  = np.interp(t, time, mstar)
+    delta_mass_stars[i] -= np.interp(t, time_ref, mstar_ref)
+    avg_mass_stars[i]  = 0.5 * np.interp(t, time, mstar)
+    avg_mass_stars[i] += 0.5 * np.interp(t, time_ref, mstar_ref)
+
+
+if createFigures:
+    fig, ax = plt.subplots(2,3, figsize=np.array([6.9,5.35]), sharex=True, sharey=True )
+    fig.subplots_adjust(hspace=0.0, wspace=0.0, left=0.1,right=0.98, bottom=0.1, top=0.98)
+
+    ax[0, 0].set_xticks([300,320,340])
+    ax[0, 0].set_yticks([300,325,350])
+
+for i_plot, i_snap in enumerate([10,11,12,21,22,24]):
+    filename = '/output/snap_%03d.hdf5'%i_snap
+    print(simulation_directory+filename)
+    try:
+        data = h5py.File(simulation_directory+filename, "r")
+    except:
+        break
+    ## figure
+    pos1 = np.array( data['PartType1']['Coordinates'], dtype=np.float64 )
+    pos2 = np.array( data['PartType2']['Coordinates'], dtype=np.float64 )
+    pos3 = np.array( data['PartType3']['Coordinates'], dtype=np.float64 )
+    pos4 = np.array( data['PartType4']['Coordinates'], dtype=np.float64 )
+    
+    ix = np.int(i_plot % 3)
+    iy = np.int(i_plot / 3)
+    
+    if createFigures:
+        ax[iy,ix].scatter(pos2[:, 0], pos2[:, 1], marker='.', c='k', s=0.05, alpha=0.5, rasterized=True, zorder=2)
+        ax[iy,ix].scatter(pos3[:, 0], pos3[:, 1], marker='.', c='k', s=0.05, alpha=0.5, rasterized=True, zorder=2)
+        ax[iy,ix].scatter(pos4[:, 0], pos4[:, 1], marker='.', c='red', s=0.05, alpha=0.2, rasterized=True, zorder=3)
+        ax[iy,ix].set_aspect('equal')
+        ax[iy,ix].set_xlim([295,355])
+        ax[iy,ix].set_ylim([290,360])
+    
+
+if createFigures:
+    ## trajectory
+    filename = '/output/snap_%03d.hdf5'%0
+    data = h5py.File(simulation_directory+filename, "r")
+    pos2 = np.array( data['PartType2']['Coordinates'], dtype=np.float64 )
+    ids2 = np.array( data['PartType2']['ParticleIDs'], dtype=np.int32 )
+    i_gal1 = np.where(pos2[:,0] < 320)[0]
+    i_gal2 = np.where(pos2[:,0] > 330)[0]
+    id_gal1 = ids2[i_gal1]
+    id_gal2 = ids2[i_gal2]
+    
+    
+    pos_gal1 = np.zeros([32,3], dtype=np.float64)
+    pos_gal2 = np.zeros([32,3], dtype=np.float64)
+    
+    for i_snap in np.arange(32):
+        filename = '/output/snap_%03d.hdf5'%i_snap
+        try:
+            data = h5py.File(simulation_directory+filename, "r")
+        except:
+            break
+        pos2 = np.array( data['PartType2']['Coordinates'], dtype=np.float64 )
+        ids2 = np.array( data['PartType2']['ParticleIDs'], dtype=np.int32 )
+        ids, i_gal1, dummy = np.intersect1d(ids2, id_gal1, return_indices=True)
+        ids, i_gal2, dummy = np.intersect1d(ids2, id_gal2, return_indices=True)
+        
+        pos_gal1[i_snap,:] = np.average(pos2[i_gal1,:], axis=0)
+        pos_gal2[i_snap,:] = np.average(pos2[i_gal2,:], axis=0)
+        
+    p1x = interp1d(np.arange(32), pos_gal1[:,0], kind='cubic')
+    p1y = interp1d(np.arange(32), pos_gal1[:,1], kind='cubic')
+    p2x = interp1d(np.arange(32), pos_gal2[:,0], kind='cubic')
+    p2y = interp1d(np.arange(32), pos_gal2[:,1], kind='cubic')
+    
+    
+    interp = np.linspace(0,10,1000)
+    ax[0,0].plot(p1x(interp), p1y(interp), 'b:', alpha=0.5, lw=4, zorder=1)
+    ax[0,0].plot(p2x(interp), p2y(interp), 'b--', alpha=0.5, lw=4, zorder=1)
+    
+    interp = np.linspace(0,11,1000)
+    ax[0,1].plot(p1x(interp), p1y(interp), 'b:', alpha=0.5, lw=4, zorder=1)
+    ax[0,1].plot(p2x(interp), p2y(interp), 'b--', alpha=0.5, lw=4, zorder=1)
+    
+    interp = np.linspace(0,12,1000)
+    ax[0,2].plot(p1x(interp), p1y(interp), 'b:', alpha=0.5, lw=4, zorder=1)
+    ax[0,2].plot(p2x(interp), p2y(interp), 'b--', alpha=0.5, lw=4, zorder=1)
+    
+    interp = np.linspace(11,21,1000)
+    ax[1,0].plot(p1x(interp), p1y(interp), 'b:', alpha=0.5, lw=4, zorder=1)
+    ax[1,0].plot(p2x(interp), p2y(interp), 'b--', alpha=0.5, lw=4, zorder=1)
+    
+    interp = np.linspace(12,22,1000)
+    ax[1,1].plot(p1x(interp), p1y(interp), 'b:', alpha=0.5, lw=4, zorder=1)
+    ax[1,1].plot(p2x(interp), p2y(interp), 'b--', alpha=0.5, lw=4, zorder=1)
+    
+    interp = np.linspace(14,24,1000)
+    ax[1,2].plot(p1x(interp), p1y(interp), 'b:', alpha=0.5, lw=4, zorder=1)
+    ax[1,2].plot(p2x(interp), p2y(interp), 'b--', alpha=0.5, lw=4, zorder=1)
+    
+    ax[0,0].set_ylabel("[kpc]")
+    ax[1,0].set_ylabel("[kpc]")
+    ax[1,0].set_xlabel("[kpc]")
+    ax[1,1].set_xlabel("[kpc]")
+    ax[1,2].set_xlabel("[kpc]")
+    
+    fig.savefig(simulation_directory+'./stars_evolution.pdf')
+    
+    """ figure -- optional """
+    fig=plt.figure()
+    ax = plt.axes([0.15,0.15,0.8,0.8])
+    ax.plot(time, mstar * 1e10/0.6774, label="new")
+    ax.plot(time_ref, mstar_ref * 1e10/0.6774, label="ref")
+    ax.set_xlabel(r"time")
+    ax.set_ylabel(r"Stellar mass formed [M$_\odot$]")
+    ax.legend(loc=2)
+    fig.savefig(simulation_directory+"./Mstar_time.pdf")
+
+
+""" check if deviations within tolerance """
+abs_tolerance = 3.e8 / (1.e10 / 0.6774)
+if np.max( np.abs(delta_mass_stars ) ) > abs_tolerance:
+    print("Error: stellar mass deviaties from reference more than %g (Msun/Mpc^3): "% abs_tolerance )
+    print("times:")
+    print(time_probe)
+    print("relative deviation:")
+    print(delta_mass_stars / avg_mass_stars)
+    print("absolute deviation (1e6 Msun):")
+    print(delta_mass_stars*1.0e4/0.6774)
+    sys.exit(1)
+
+""" if everything is ok """
+sys.exit(0)

examples/galaxy_merger_star_formation_3d/create.py

+""" @package examples/galaxy_merger_star_formation_3d/create.py
+Code creates the output list; ICs need to be present already
+galaxy_merger_star_formation_3d uses MakeNewDisk and CombineGalaxies codes
+to create the initial conditions
+
+created by Rainer Weinberger, last modified 09.03.2019
+"""
+
+
+""" load libraries """
+import sys    # system calls
+import numpy as np    # scientific computing package
+import h5py    # hdf5 format
+from subprocess import call    # execute shell commands 
+
+
+""" input """
+simulation_directory = str(sys.argv[1])
+print("examples/collisionless_galaxy_3d/create.py " + simulation_directory)
+
+
+""" set output times """
+outputTimes = np.linspace(0.0,3.0,32, dtype=np.float64)
+ones = np.ones(outputTimes.shape, dtype=np.int)
+
+
+""" write output list file """
+data = np.array([outputTimes, ones]).T
+np.savetxt(simulation_directory+"/output_list.txt",data, fmt="%g %1.f" )
+
+
+""" create backgroundgrid ICs from SPH ICs """
+## compile Arepo with ADDBACKGROUNDGRID
+res = call(["make", "CONFIG=./examples/galaxy_merger_star_formation_3d/Config_ADDBACKGROUNDGRID.sh", \
+             "BUILD_DIR=./run/examples/galaxy_merger_star_formation_3d/build_ADDBACKGROUNDGRID", \
+            "EXEC=./run/examples/galaxy_merger_star_formation_3d/Arepo_ADDBACKGRUNDGRID"])
+if res != 0:
+    sys.exit( np.int(res) )
+    
+## copy ICs to run directory
+res = call(["cp", "./examples/galaxy_merger_star_formation_3d/ICs_1_1_merger_30_15_45_0_rmin10_start320_lowres.dat", \
+            "./run/examples/galaxy_merger_star_formation_3d/"])
+if res != 0:
+    sys.exit( np.int(res) )
+
+## execute Arepo with ADDBACKGROUNDGRID
+res = call(["mpiexec", "-np", "1","./run/examples/galaxy_merger_star_formation_3d/Arepo_ADDBACKGRUNDGRID", "./examples/galaxy_merger_star_formation_3d/param_ADDBACKGROUNDGRID.txt"])
+if res != 0:
+    sys.exit( np.int(res) )
+
+## clean up
+res = call(["make", "CONFIG=./examples/galaxy_merger_star_formation_3d/Config_ADDBACKGROUNDGRID.sh", "clean"])
+if res != 0:
+    sys.exit( np.int(res) )
+res = call(["rm", "./examples/galaxy_merger_star_formation_3d/param_ADDBACKGROUNDGRID.txt-usedvalues"])
+if res != 0:
+    sys.exit( np.int(res) )
+
+
+""" normal exit """
+sys.exit(0) 

examples/galaxy_merger_star_formation_3d/param.txt

+%----  Relevant files
+InitCondFile                            run/examples/galaxy_merger_star_formation_3d/ICs_1_1_merger_30_15_45_0_rmin10_start320_lowres.dat-with-grid
+OutputDir                               run/examples/galaxy_merger_star_formation_3d/output
+SnapshotFileBase                        snap
+OutputListFilename                      run/examples/galaxy_merger_star_formation_3d/output_list.txt
+
+%---- File formats
+ICFormat                                3
+SnapFormat                              3
+
+%---- CPU-time limits
+TimeLimitCPU                            93000
+CpuTimeBetRestartFile                   12000
+ResubmitOn                              0
+ResubmitCommand                         my-scriptfile
+
+%----- Memory alloction
+MaxMemSize                              2500
+
+%---- Caracteristics of run
+TimeBegin                               0.0
+TimeMax                                 3.0 % End of the simulation
+
+%---- Basic code options that set the type of simulation
+ComovingIntegrationOn                   0
+PeriodicBoundariesOn                    0
+CoolingOn                               1
+StarformationOn                         1
+
+%---- Cosmological parameters (Planck cosmology)
+Omega0                                  0.0
+OmegaLambda                             0.0
+OmegaBaryon                             0.0     %0.0486
+HubbleParam                             0.6774
+BoxSize                                 649.201
+
+%---- Output frequency and output parameters
+OutputListOn                            1
+TimeBetSnapshot                         0.0
+TimeOfFirstSnapshot                     0.0
+TimeBetStatistics                       0.0234375
+NumFilesPerSnapshot                     1
+NumFilesWrittenInParallel               1
+
+%---- Accuracy of time integration
+TypeOfTimestepCriterion                 0
+ErrTolIntAccuracy                       0.012
+CourantFac                              0.3
+MaxSizeTimestep                         0.0234375
+MinSizeTimestep                         2.0e-8
+
+
+%---- Treatment of empty space and temperature limits
+InitGasTemp                             244.8095
+MinGasTemp                              5.0
+MinimumDensityOnStartUp                 1.0e-10  %% very important for this setup!
+LimitUBelowThisDensity                  0.0
+LimitUBelowCertainDensityToThisValue    0.0
+MinEgySpec                              0.0
+
+%---- Tree algorithm, force accuracy, domain update frequency
+TypeOfOpeningCriterion                  1
+ErrTolTheta                             0.7
+ErrTolForceAcc                          0.0025
+MultipleDomains                         8
+TopNodeFactor                           2.5
+ActivePartFracForNewDomainDecomp        0.01
+ 
+%---- Initial density estimate
+DesNumNgb                               64
+MaxNumNgbDeviation                      4
+
+%---- System of units
+UnitLength_in_cm                        3.085678e21    %  1.0 kpc
+UnitMass_in_g                           1.989e43       %  1.0e10 solar masses
+UnitVelocity_in_cm_per_s                1e5            %  1 km/sec
+GravityConstantInternal                 0
+
+%---- Gravitational softening lengths
+SofteningComovingType0                  2.0
+SofteningComovingType1                  2.0
+
+SofteningMaxPhysType0                   2.0
+SofteningMaxPhysType1                   2.0
+
+GasSoftFactor                           2.5
+
+SofteningTypeOfPartType0                0
+SofteningTypeOfPartType1                1
+SofteningTypeOfPartType2                1
+SofteningTypeOfPartType3                1
+SofteningTypeOfPartType4                1
+SofteningTypeOfPartType5                1
+
+
+MinimumComovingHydroSoftening           1.0
+AdaptiveHydroSofteningSpacing           1.2
+
+%----- Mesh regularization options
+CellShapingSpeed                        0.5
+CellMaxAngleFactor                      2.25
+ReferenceGasPartMass                    9.76211e-05
+TargetGasMassFactor                     1
+RefinementCriterion                     1
+DerefinementCriterion                   1
+MeanVolume                              66800.2
+MaxVolumeDiff                           10      % avoid strong resolution gradients
+MinVolume                               1 
+MaxVolume                               1.0e9   % no limits
+
+%---- Parameters for star formation model
+CritPhysDensity                         0       % critical physical density for star formation (in cm^(-3))
+MaxSfrTimescale                         2.27    % in internal time units
+CritOverDensity                         57.7    % overdensity threshold value
+TempSupernova                           5.73e7  % in Kelvin
+TempClouds                              1000.0  % in Kelvin
+FactorEVP                               573.0
+TemperatureThresh                       1e+06
+FactorSN                                0.1
+
+TreecoolFile                            ./data/TREECOOL_ep
+

examples/galaxy_merger_star_formation_3d/param_ADDBACKGROUNDGRID.txt

+%----  Relevant files
+InitCondFile                            run/examples/galaxy_merger_star_formation_3d/ICs_1_1_merger_30_15_45_0_rmin10_start320_lowres.dat
+OutputDir                               run/examples/galaxy_merger_star_formation_3d/output
+SnapshotFileBase                        snap
+OutputListFilename                      run/examples/galaxy_merger_star_formation_3d/output_list.txt
+
+%---- File formats
+ICFormat                                1
+SnapFormat                              3
+
+%---- CPU-time limits
+TimeLimitCPU                            93000
+CpuTimeBetRestartFile                   12000
+
+ResubmitOn                              0
+ResubmitCommand                         my-scriptfile
+
+%----- Memory alloction
+MaxMemSize                              2500
+
+%---- Caracteristics of run
+TimeBegin                               0.0
+TimeMax                                 1.0 % End of the simulation
+
+%---- Basic code options that set the type of simulation
+ComovingIntegrationOn                   0
+PeriodicBoundariesOn                    1
+CoolingOn                               0
+StarformationOn                         0
+
+%---- Cosmological parameters (Planck cosmology)
+Omega0                                  0.3089
+OmegaLambda                             0.6911
+OmegaBaryon                             0.0     %0.0486
+HubbleParam                             0.6774
+BoxSize                                 200.0
+
+%---- Output frequency and output parameters
+OutputListOn                            0
+TimeBetSnapshot                         0.0
+TimeOfFirstSnapshot                     0.0
+TimeBetStatistics                       0.01
+NumFilesPerSnapshot                     1
+NumFilesWrittenInParallel               1
+
+%---- Accuracy of time integration
+TypeOfTimestepCriterion                 0
+ErrTolIntAccuracy                       0.012
+CourantFac                              0.3
+MaxSizeTimestep                         0.05
+MinSizeTimestep                         2.0e-9
+
+
+%---- Treatment of empty space and temperature limits
+InitGasTemp                             244.8095
+MinGasTemp                              5.0
+MinimumDensityOnStartUp                 1.0e-20
+LimitUBelowThisDensity                  0.0
+LimitUBelowCertainDensityToThisValue    0.0
+MinEgySpec                              0.0
+
+%---- Tree algorithm, force accuracy, domain update frequency
+TypeOfOpeningCriterion                  1
+ErrTolTheta                             0.7
+ErrTolForceAcc                          0.0025
+MultipleDomains                         8
+TopNodeFactor                           2.5
+ActivePartFracForNewDomainDecomp        0.01
+ 
+%---- Initial density estimate
+DesNumNgb                               64
+MaxNumNgbDeviation                      4
+
+%---- System of units
+UnitLength_in_cm                        3.085678e21    %  1.0 kpc
+UnitMass_in_g                           1.989e43       %  1.0e10 solar masses
+UnitVelocity_in_cm_per_s                1e5            %  1 km/sec
+GravityConstantInternal                 0
+
+%---- Gravitational softening lengths
+SofteningComovingType0                  2.0
+SofteningComovingType1                  2.0
+
+SofteningMaxPhysType0                   2.0
+SofteningMaxPhysType1                   2.0
+
+GasSoftFactor                           2.5
+
+SofteningTypeOfPartType0                0
+SofteningTypeOfPartType1                1
+SofteningTypeOfPartType2                1
+SofteningTypeOfPartType3                1
+SofteningTypeOfPartType4                1
+SofteningTypeOfPartType5                1
+
+%----- Mesh regularization options
+CellShapingSpeed                        0.5
+CellMaxAngleFactor                      2.25
+
+GridSize                                16
\ No newline at end of file

examples/galaxy_merger_star_formation_3d/sfr_reduced_ref.txt

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