Dear Jeremy,
Looking at your inputs you have used the following DEFAULTS
DEFAULTS 0.0 0.0 0.0 0.0 0.0 0.0
SHIELDIN
SHIELDINg
* Low energy neutron transport on down the thermal energies included,
(the neutron high energy threshold is set at 20 MeV)
* Non-analogue absorption for low energy neutrons with probability
0.95 for the last (thermal) groups
* Particle transport threshold set at 10 MeV, except neutrons (1E-5
eV), and (anti)neutrinos (0, but they are discarded by default anyway)
* Multiple scattering threshold for secondary charged particles
lowered to 20 MeV (= primary ones)
* Both explicit and continuous heavy particle bremsstrahlung and pair
production inhibited
* EMF off!!! This default is meant for simple hadron shielding only!
As you see the EMF is off and in fort.88 you have
QLTWEI,IJ,ECONTR,KTRACK,MTRACK,ETRACK,AMIJ,IZIJ,MREG,ICALL
1.0000000000000000E+030 211 1.0470416009752087E-003
0 0 1.0470416009752087E-003 0.0000000000000000
0 3 504
J0TRCK,JTRACK 0 7
which is related to EM below threshold, in fact you have EMF off. If you
use the PRECISIOn DEFAULTS for example you will not have the problem.
Please, check if the PRECISIOn DEFAULTS match what you want to simulate.
Best Regards,
Andrea
> Hi Andrea,
>
> My input file is attached. It is a simple geometry consisting of an O-18
> beam incident on steel, followed by concrete, and then finally soil. I am
> trying to generate a dose equivalent and star density map with USRBIN.
>
> Thanks,
> Jeremy
>
>
> On Tue, Aug 27, 2013 at 5:48 AM, <Andrea.Mairani_at_mi.infn.it> wrote:
>
>> Dear Jeremy,
>> This printout occurs if the quality factor turns out to be <0.95 or
>> >500.
>> In this case the code set it back to 1 and warns the user. The point is
>> to understand why the original QLTWEI value falls outside expectations.
>> Please, can you provide us your input so we can understand better your
>> problem?
>> Best Regards,
>> Francesco and Andrea
>>
>>
>>
>> > FLUKA users,
>> >
>> > I am attempting to generate a dose equivalent distribution with
>> > WHAT(2)=DOSEQLET in USRBIN. When I do this a large fort.88 file is
>> > generated. I have attached a copy of the fort.88 file generated from a
>> > test
>> > run of 100 primary particles.
>> >
>> > I have two questions:
>> >
>> > 1) What is the purpose of this file?
>> > 2) Is there any way to disable its production? These files becomes
>> very
>> > large (easily on the order of GB) for a larger number of primary
>> > particles.
>> >
>> > Thanks,
>> > Jeremy Northum
>> >
>>
>>
>>
>
Received on Sun Sep 01 2013 - 13:14:29 CEST
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: Sun Sep 01 2013 - 13:14:34 CEST