fluka/flair anomaly

Hello everyone,

I have just come across an anomaly in fluka/flair.

While conducting a study to optimize the W-converter/U-target dimensions for proton beam, neutron induced fissions, I
included in my input file a certain set of estimators for each setup. One of these was the SCORE card with the following
whats:

SCORE FISSIONS NEUTRON BEAMPART ENERGY

After running a set of runs for each setup, I found (to my surprise) in the output file:
(hope the output doesn't get clobbered).

Region # name volume ALL-PART Star Density BEAMPART Star Density ENERGY Density EM-ENRGY Density
                   cm**3 Stars/cm**3 Stars/cm**3 GeV/cm**3 GeV/cm**3
                            /one beam particle /one beam particle /one beam particle /one beam particle

1 rBlkHole 1.000000000E+00 0.000000000E+00 0.000000000E+00 3.153394351E-01 2.969239455E-04
2 rVacBox 1.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00
3 rUtgt 1.000000000E+00 3.100000000E-03 0.000000000E+00 2.390435539E-03 3.326111379E-04
4 rWconv 1.000000000E+00 4.659000000E-01 4.138000000E-01 1.552016146E-01 4.767196586E-03

   Total (integrated over volume): 4.690000000E-01 4.138000000E-01 4.729314853E-01 5.396731669E-03

So, as you can see, the quantities I had included in the SCORE card were not in fact scored.
When I looked at the input files, I discovered the insertion of 3 STOP cards above the SCORE card.
I have no idea how these STOP cards were inserted in the input file. I did not put them in intentionally. So
let's say by some accident! Here is what I saw in my input files:
...
RESNUCLE 2. -52. 94. 63. rUtgt 1.RN_U_LE
STOP
STOP
STOP
SCORE FISSIONS NEUTRON BEAMPART ENERGY
STOP

In this case, instead of a warning or an error, the runs for my multiple setups completed but the quantities scored in
the SCORE card were changed (to a default set?). Why does this happen?

Thanks in advance,
Mina
Received on Sat Jun 09 2012 - 10:35:29 CEST