Please don't disturb me by sending messages, thank you
> -----原始邮件-----
> 发件人: ashishsingh_at_barc.gov.in
> 发送时间: 2021-01-08 13:06:59 (星期五)
> 收件人: paola.sala_at_mi.infn.it
> 抄送: "Fluka Discuss" <fluka-discuss_at_fluka.org>
> 主题: Re: [fluka-discuss]: Large size ERROR file produced during fluence scoring
>
> On 2021-01-07 07:11, Paola Sala wrote:
> > Dear Ashish Singh,
> > the messages you get in the error files are geometry problems.
> > As a general rule, it is not recommended to have primary particles
> > starting exactly on a boundary, because of possible rounding problems
> > (is
> > the particle in region VOID or in region WALL?). The source routine
> > takes
> > care to solve most of those problems making use of the particle
> > direction
> > (few last lines in the source.f code). However, in some cases, you have
> > particles starting on a boundary..with a small rounding : for instance,
> > x=-210.000000000002 instead of x=-210.). this causes a mismatch between
> > initial localization and tracking. The code is able to solve the
> > problem,
> > but it issues a warning message in the err file.
> >
> > Easiest solution: enlarge by a small amount your house so that all
> > particles start already inside the walls (something like 1 micron on
> > each
> > side)
> >
> > Paola
> >
> >> Dear FLUKA experts,
> >>
> >> I am trying to score fluence using USERBDX & USERTRACK through a
> >> target
> >> air sphere of 10cm placed at 1m height inside a house structure filled
> >> with air for 1 MeV photons. But error size is huge which ultimately
> >> terminates the run due to storage issue. Screenshot of error and all
> >> other input files are attached for your reference. Kindly suggest me
> >> how
> >> i can resolve this issue. Any help regarding this issue is much
> >> appreciated. Thanks in advance.
> >>
> >> Regards,
> >> Ashish Singh
> >
> >
> > Paola Sala
> > INFN Milano
> > tel. Milano +39-0250317374
> > tel. CERN +41-227679148
> >
> > __________________________________________________________________________
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> >
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>
> Dear Paolo,
>
> Thank you for your kind help. I have incorporated your suggestion and
> now it's working fine.
>
> Regards,
> Ashish singh
>
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Received on Thu Jan 14 2021 - 09:10:57 CET