My OS is Ubuntu 18.10
is it compatible for FLUKA 2023.3.3?
Annamaria
Il 2024-03-19 14:39 Paola Sala ha scritto:
> Hi
> fluka2011 is very old, it does not yet include the pointwise treatment
> (and many other new/improved features)
> Please upgrade, you will find the fluka2023 version on www.fluka.org
> [1].
> Also, from the same website, please download the python3 version of
> flair
> (flair-2.3-0dpy3 [2])
> Regards
> Paola
>
> On 3/19/24 11:57, muoio wrote:
>
>> dear experts, unfortunately I can't find it in my fluka and in the
>> interface
>> Flair graphics the LOW-PWXS card, the fluka version is version
>> 2011.2x-6
>> the flair version:2.3-0
>>
>> can you help me?
>> Annamaria
>>
>> Il 2024-03-18 17:05 muoio ha scritto:
>> Thanks, I'll try the advice
>> Annamaria
>> Il 2024-03-18 16:47 Paola Sala ha scritto:
>> Dear Annamaria
>> Probably I do not understand correctly your question, I'll try some
>> hints:
>> You do not need anything specifics for alphas, besides the low-pwxs.
>>
>> The PRECISION default already activates the transport of all
>> ions,
>> and the transport of neutrons down to thermal.
>> LOW-PWXS refer to neutrons...but: If it is not there, neutron
>> interactions are treated in a "multi-group" approach. This means
>> both
>> a treatment based on neutron energy intervals, and some limitation
>> in
>> the outcome of interactions,. In particular protons, alphas and
>> other
>> charged are not really generated, their energy is simply deposited
>> on
>> the point of production--> no alphas
>> With low-pwxs, you get two things: continuous neutron energy, AND
>> fully correlated generation of all interaction products--> yes
>> alphas
>>
>> Then, I see a problem in your geometry: the second target region
>> (regSiC4) does not exist: it is defined as contained in a 10 micron
>> long cylinder, and downstream
>> of a plane at 2.5 cm from the cylinder entrance. This is a null
>> region, thus you'll get no results from your boundary crossings.
>>
>> In view of the short alpha range, if you want to be sure to see them
>>
>> it would be worthwhile to add a usrtrack or a userbin scoring alphas
>>
>> within the target.
>>
>> You can also look at the fluka output file, at the end there is a
>> summary of particles produced in the run
>>
>> Hope this helps
>> Paola
>> On 3/17/24 23:16, muoio wrote:
>>
>> Thanks very much for the quick response,I looked the manual
>>
>> http://www.fluka.org/content/manuals/online/LOW-PWXS.html
>>
>> but for alpha particles do you have some example?
>> thanks a lot
>> A. Muoio
>>
>> Il 2024-03-17 19:02 Paola Sala ha scritto:
>> Hello
>> in order to produce and transport charged particles from low energy
>> neutron interactions you have to activate the new point-wise
>> treatment,
>> by adding the LOW-PWXS card.
>> Please have a look at its description in the manual, and ask if
>> something is not clear
>> Regards
>> Paola
>> On 3/16/24 16:08, muoio wrote:
>>
>> good morning experts, I tried to insert the analysis request for
>> alpha particles into my simulation, but I get a result that I don't
>> expect... practically zero.
>> The situation is
>>
>> Energy Neutron = 14.1 MeV Number of primary= 10^8 x 5 run
>> Fluence = 4.45 10^11 (n/cm2) Profile Beam=Flat
>> Surface = (5 x 5) mm
>> Spessore 100 um
>>
>> I expect alpha particles from secondary reactions induced by the
>> interaction of neutrons with SiC.
>> I attach the *.inp file that I tried to run
>>
>> thanks a lot
>> Annamaria Muoio
>
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> [2] http://www.fluka.org/flair/flair-2.3-0dpy3.src.rpm
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Received on Tue Mar 19 2024 - 17:33:17 CET