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Inconsistency of mcpl2ssw #73
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I can't tell for sure, but at least you should use the (ps. I am on vacation so I might not be able to help more with this until ~August) |
Also, please supply details such as mcnpl version. |
Thank you for your answer. I tried to move the -s option but it seems to change nothing to my case. I attach you the files used to analyze this behaviour, but feel free to ask for any complementary information (I'll be ask in july too, back in august) mre_ssw.i.txt |
Thanks. I most likely won't be able to look at this until August, but in any case I don't actually run MCNP myself. Perhaps @EsbenKlinkby can have a look (although he is most likely also on vacation). |
Btw., are you sure you expect the exact same results? I.e. there might be some sort of random number seed thing going on. Are the discrepancies you observe actually statistically significant? |
Hi,
I have a problem with mcpl2ssw, which may arise from a bug.
Apply to translations ssw2mcpl then mcpl2ssw seem to alter the inner data:
I have a MCNP simulation (mre.i) computing a tally while creating a SSW file (mre1.wssa)
Then I convert the mre1.wssa file to mre1.mcpl with ssw2mcpl (ssw2mcpl mre1.wssa mre1.mcpl -n)
Then I immediately go back with mcnp2ssw to create mre2.wssa (mcpl2ssw mre1.mcpl mre1.wssa mre2.wssa -s10).
At this point I expect this new file to contain same data as mre1.wssa
mre1.wssa and mre2.wssa have the same size but lead to different results after a SSR run (mre.i minus SDEF minus SSW plus SSR).
(of course) the SSR run using the original mre1.wssa gives the same results as the first SSW run. It's mre2.wssa which gives unexpected (wrong) results.
I can attach all these files if needed.
thanks for your work
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