Monitoring-of-conservation-laws.md

@@ -17,5 +17,26 @@ To avoid situations where the code uses computing resources for generating traje
 # Nconservation_stop        10000    # Stop to monitor total particle number conservation at time*eF, default=1e12 (infinity)
 # Nconservation_tol         0.05     # if |[N(t)-N(start_t)]/N(start_t)|>tol then the code will terminate, default=0.05
 ``` 
-Note that the energy conservation checking is disabled by default while particle number conservation monitoring is activated. If the violation (measured as deviation from the initial value) is detected, the code terminates. 
+Note that the energy conservation checking is disabled by default while particle number conservation monitoring is activated. If the violation (measured as deviation from the initial value) is detected, the code terminates. The information will be displays in `stdout` file:
+```
+# SIMULATION INSTABILITY CRITERIA MET FOR PARTICLE NUMBER!!!
+# INITIAL VALUE=19.000000, PRESENT VALUE=20.351277, RELATIVE CHANGE=0.07112 [> 0.050000]
+# !!! BREAKING !!!
+```
 
+# Forcing checkpoint
+If the checkpoint tag is selected
+```bash
+checkpoint              1       # do checkpoint at the end of the calculation?
+```
+then immediately after terminating the code, the checkpoint files will be created
+```
+# SIMULATION INSTABILITY CRITERIA MET FOR PARTICLE NUMBER!!!
+# INITIAL VALUE=19.000000, PRESENT VALUE=20.351277, RELATIVE CHANGE=0.07112 [> 0.050000]
+# !!! BREAKING !!!
+# CHECKPOINT INFO: MODE=WRITE: DATA SIZE=        0.04 GB
+# CHECKPOINT INFO: MPI_NP_PER_IO_GROUP=24.
+# CHECKPOINT INFO: WRITE TIME=        0.07 sec
+# CHECKPOINT INFO: WRITE SPEED=       0.525 GB/sec
+# CREATING CHECK STAMP: `test_check.stamp`
+```
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