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Simulation Logs: Record__TimeStep
Hsi-Yu Schive edited this page Sep 22, 2018
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This file records the timesteps set by various constraints.
Example:
# Lv Step Counter TimeOld TimeNew dTime Hydro_CFL Hydro_Acc Data_Dump End_Time Par_Vel Par_Acc Sync_FaLv Sync_SonLv AutoRedDt
0 0 0 0.0000000e+00 5.7810403e-02 5.7810403e-02 5.7810403e-02 3.8746542e-01 5.0000000e-01 1.0000000e+00 inf inf 3.4028235e+38 0.0000000e+00 1.0000000e+00
1 0 0 0.0000000e+00 2.7251148e-02 2.7251148e-02 2.8751362e-02 2.7327576e-01 5.0000000e-01 1.0000000e+00 2.7251148e-02 3.2869031e-01 5.7810403e-02 0.0000000e+00 1.0000000e+00
2 0 0 0.0000000e+00 1.1388617e-02 1.1388617e-02 1.4373764e-02 1.8945998e-01 5.0000000e-01 1.0000000e+00 1.1388617e-02 1.3525940e-01 2.7251148e-02 3.4028235e+38 1.0000000e+00
2 0 1 1.1388617e-02 2.2806077e-02 1.1417460e-02 1.4375145e-02 1.8895561e-01 4.8861138e-01 9.8861138e-01 1.1417460e-02 1.3519738e-01 1.5862531e-02 3.4028235e+38 1.0000000e+00
2 0 2 2.2806077e-02 2.7251148e-02 4.4450713e-03 1.4371166e-02 1.8914053e-01 4.7719392e-01 9.7719392e-01 1.1404442e-02 1.3502470e-01 4.4450713e-03 3.4028235e+38 1.0000000e+00
1 0 1 2.7251148e-02 5.4564332e-02 2.7313184e-02 2.8762037e-02 2.7449206e-01 4.7274885e-01 9.7274885e-01 2.7313184e-02 3.2819969e-01 3.0559255e-02 2.2808885e-02 1.0000000e+00
2 0 3 2.7251148e-02 3.8643738e-02 1.1392589e-02 1.4369172e-02 1.8924589e-01 4.7274885e-01 9.7274885e-01 1.1392589e-02 1.3499083e-01 2.7313184e-02 3.4028235e+38 1.0000000e+00
2 0 4 3.8643738e-02 5.0006536e-02 1.1362798e-02 1.4362061e-02 1.8951729e-01 4.6135626e-01 9.6135626e-01 1.1362798e-02 1.3511053e-01 1.5920594e-02 3.4028235e+38 1.0000000e+00
2 0 5 5.0006536e-02 5.4564332e-02 4.5577961e-03 1.4361952e-02 1.8928616e-01 4.4999346e-01 9.4999346e-01 1.1333992e-02 1.3501261e-01 4.5577961e-03 3.4028235e+38 1.0000000e+00
1 0 2 5.4564332e-02 5.7810403e-02 3.2460714e-03 2.8789273e-02 2.7419209e-01 4.4543567e-01 9.4543567e-01 2.7375017e-02 3.0900203e-01 3.2460714e-03 3.4028235e+38 1.0000000e+00
2 0 6 5.4564332e-02 5.7810403e-02 3.2460714e-03 1.4362757e-02 1.8928155e-01 4.4543567e-01 9.4543567e-01 1.1322705e-02 1.3496141e-01 3.2460714e-03 3.4028235e+38 1.0000000e+00
Table format:
-
Lv
: AMR level -
Step
: cumulative root-level updates -
Counter
: cumulative updates on each level -
TimeOld
,TimeNew
: update this level fromTimeOld
toTimeNew
=TimeOld
+dTime
-
dTime
: adopted timestep (which is the minimum timestep of all constraints) -
Hydro_CFL
: CFL condition in hydrodynamics (see DT__FLUID and DT__FLUID_INIT) -
Hydro_Acc
: gravitational acceleration in hydrodynamics (see DT__GRAVITY) -
Data_Dump
: timestep to reach the next data dump time (see OPT__OUTPUT_MODE and OUTPUT_DT) -
End_Time
: timestep to reach the simulation end time (see END_T) -
Par_Vel
: particle velocity (see DT__PARVEL and DT__PARVEL_MAX) -
Par_Acc
: particle acceleration (see DT__PARACC) -
Sync_FaLv
: timestep to synchronize with the parent level (see also DT__SYNC_PARENT_LV) -
Sync_SonLv
: timestep to help synchronize with the children level (see also DT__SYNC_CHILDREN_LV) -
AutoRedDt
: timestep reducing factor used when the program fails (see AUTO_REDUCE_DT)
Getting Started
User Guide
- Installation
- Running the Code
- Adding New Simulations
- Runtime Parameters
- MPI and OpenMP
- GPU
- Physics Modules
- Outputs
- Simulation Logs
- Data Analysis
- In Situ Python Analysis
- Test Problems
- Troubleshooting
Advanced Topics
Developer Guide