RE: Bug with some materials

From: Santana, Mario <>
Date: Tue, 15 Jan 2013 10:32:15 -0800


So it seems. Please check this example below posted in the FLUKA web were 99Mo production in a neutron-bombarded uranium target matches well literature data.

Anyway, if you will be using the prediction for radiation protection, I would advise to use a safety factor (~2).


-----Original Message-----
From: [] On Behalf Of vahan petrosyan
Sent: Monday, January 14, 2013 12:17 PM
Subject: Re: Bug with some materials

Many thanks! :)

One question please.
Can I simulate Uranium-235 fission in this way? I mean bombarding it
with thermal neutrons can I get reasonable results?


On 14.01.2013 23:18, wrote:
> Hello Vahan,
> I think this is because FLUKA does not recognize the name "URANIUM",
> try with "235-U" instead (Please refer to following link
> It tried your input and it goes OK with this change.
> Hope it helps.
> Regards.
> Sebastien.
>> Hi!:)
>> For my interest I tried to run simulation when neutron beam hits
>> 235 and calculate Equivalent dose but I countered with very strange
>> behavior.:-\
>> When I set my target material to URANIUM FLUKA doesn't run, it says
>> error: "ignoring input .... nohup.out", but when I change target
>> material to something other for example LEAD FLUKA runs perfectly.
>> My question: why does it happen?
>> I attached my input file if I did something wrong please get me know.
>> Thanks!
Received on Thu Jan 17 2013 - 09:28:07 CET

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