Please check which version of gfortran and glibc you have, by typing
gfortran --version
and
ldd --version
Paola
On 3/19/24 15:28, muoio wrote:
> 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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>> Links:
>> ------
>> [1] http://www.fluka.org
>> [2] http://www.fluka.org/flair/flair-2.3-0dpy3.src.rpm
>
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Received on Tue Mar 19 2024 - 18:55:12 CET