Dear Paola,
The attachment is an example to illustrate the problem.
More details:
If conducting a run using FLUKA 2011.2x.8,
1) You'll find negative deposit in 62nd event in negative_demo001_fort.113.
2) The relative difference of energy deposit extracted from EVENTDAT and EVENTBIN card could be very large, say 90%, for instance in 56th event.
Thanks a lot for your help!
Best regards,
Mingyang
> -----原始邮件-----
> 发件人: "Paola Sala" <paola.sala_at_mi.infn.it>
> 发送时间: 2020-02-28 17:15:43 (星期五)
> 收件人: "\"å´æé³\"" <mycui_at_pmo.ac.cn>
> 抄送: fluka-discuss_at_fluka.org, "\"æç¿\"" <xiangli_at_pmo.ac.cn>, "\"å²³å·\"" <yuechuan_at_pmo.ac.cn>, "\"è¢å¼º\"" <yuanq_at_pmo.ac.cn>
> 主题: Re: [fluka-discuss]: negative deposit energy from EVENTBIN using Fluka2011.2x.8
>
> Dear Migyang
> Could you, please, give some more details about your simulation and the
> effect you see?
> ( You can send me your input file if you wish)
> Please note that very small negative energy depositions are possible when
> thermal neutrons are transported: being thermal, they can gain energy by
> reducing the thermal motion of the target.
> Hope this helps
> Paola
> > Dear Fluka experts,
> >
> >
> >
> >
> > When we update Fluka from version 2011.2x.7 to 2011.2x.8 recently, a
> > problem arises.
> >
> > Negative energy deposit will occur as we scoring energy using EVENTBIN
> > card.
> >
> > Besides, we have added SDUM=OLDFLAIR in the GLOBAL card as mentioned in
> > the release note.
> >
> >
> >
> >
> > Are there other necessary modifications on input file?
> >
> > We appreciate your help with this.
> >
> >
> >
> >
> > Best,
> >
> > Mingyang
>
>
> Paola Sala
> INFN Milano
> tel. Milano +39-0250317374
> tel. CERN +41-227679148
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Received on Sat Feb 29 2020 - 14:13:58 CET