[FLASH-USERS] No HDF5 Output from Simulations

[Roy, Anuranj]

Hello all,

I've been learning how to setup and run flash, and I've gone through the quick start guide with the Sedov problem. Everything seems to work well; compiling produced the flash4 executable and running it doesn't produce any immediate/obvious errors.

My issue is that I have no hdf5 files that are written, and I'm unsure where in the .par file, or any other configuration file, is producing this issue. I noticed that the .par file has an I/O parameters section (pasted below) that it's supposed to write it every 0.01 seconds and ends at 0.05 seconds. Going through the manual didn't highlight any obvious issues, to my understanding FileIntervalStep and FileNumber is for how often to write the checkpoints and what checkpoint to start the simulation on respectively.

I'm unsure what I'm doing wrong to be causing this issue, and I'm not sure what to look at for any diagnostics. The .log file doesn't seem to tell me anything and the immediate output when running the executable is a couple lines about the initial parameters that don't seem to ever change.

Any help would be greatly appreciated,
Anuranj Roy

I/O parameters from flash.par:
```
#     Simulation time, I/O  parameters

cfl         = 0.8
basenm          = "sedov_"
restart         = .false.


#     checkpoint file output parameters
checkpointFileIntervalTime = 0.01
checkpointFileIntervalStep = 0
checkpointFileNumber = 0

#     plotfile output parameters
plotfileIntervalTime = 0.
plotfileIntervalStep = 0
plotfileNumber = 0

nend            = 10000
tmax            = 0.05

run_comment     = "Sedov explosion"
log_file        = "sedov.log"
eintSwitch     = 1.e-4

plot_var_1 = "dens"
plot_var_2 = "pres"
plot_var_3 = "temp"
```

Console output when running flash4

```
 Grid_init: resolution based on runtime params:
  lrefine          dx              dy
      1             0.125           0.125
      2             0.062           0.062
      3             0.031           0.031
      4             0.016           0.016
      5             0.008           0.008
      6             0.004           0.004
 MaterialProperties initialized
 Cosmology initialized
 Source terms initialized
  iteration, no. not moved =            0           0
 refined: total leaf blocks =            1
 refined: total blocks =            1
 [amr_morton_process]: Initializing surr_blks using standard orrery implementation
  iteration, no. not moved =            0           0
 refined: total leaf blocks =            4
 refined: total blocks =            5
```
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