Running time estimation

[mgulmen (ulmn)]

Dear experts,

I am trying to score photon fluence to calculate attenuation with NaI detector for a glass system. However I cannot monitor running time left for the calculation. It is not making any progress as in %. I increased the energy up to 1 MeV but didn’t work.

I’d be appreciated with the help

Best regards
pga-tav.inp (3.0 KB)

[horvathd (Dávid Horváth)]

Dear mgulmen,

please have a look at

Very long run time while working with OPTIPHOT

Dear Fluka experts, It takes hours and even days while working with scintillators at more 10 runs, even 10 primaries take around 45 mins. I am trying to build a multi-layer scintillator experiment and geometry is not that complicated either. Is my code not optimized? Also, receiving relatively long run times with simple shielding calculations at 1000+ runs. 1000 primaries take between 10-15 mins. I am running Fluka ver. 4-3.1. titaopti1.flair (3.5 KB) titaopti1.inp (2.0 KB) shielding.flair …

Cheers,
David

[mgulmen (ulmn)]

Dear experts

I edit my input file to take into account absorption process in the detector. But runtime progress is still infinite. Previously, I didn’t have that problem when I was using different target material in the same geometry.

Regards
pga-tav2.inp (3.4 KB)

[mgulmen (ulmn)]

Hello

I tried this input and again it didn’t work.

Regards,

pga-tav3.inp (3.5 KB)

[vorodin (Volodymyr Rodin)]

Dear @mgulmen,

I have found two major mistakes in your input.

First of all, you’re creating a recursive behaviour via naming a compound as one of its components, leading to unexpected freezing of simulation. Below corrected cards:

MATERIAL                            2.32        31                    SiO2
COMPOUND         2.0    OXYGEN       1.0   SILICON                    SiO2

Then you don’t specify what fraction of deposited energy WHAT(2) is used to create optical photons

OPT-PROD    4.15E-05             2.5E-07       NaI                    SCINT-WV

which leads to a crash.

Please double-check 7.22.54. OPT-PROD — FLUKA Manual for more details

Best regards,
Volodymyr