Hi
That is pretty much a very old version of gfortran. You can try
downloading
fluka2023.3-linux-gfor64bit-9.4-glibc2.17-AA.tar.gz
which could work on your system (it is surely for glibc's, it should for
gfortran, please try).
You should also download the latest flair, however the latest versions
assume the system runs python3 and no longer python2, do you have
python3 on your system?
Alfredo
On 2024-03-20 10:06, muoio wrote:
> dear experts , in attached the characteristics of my OS
>
> thanks a lot
> Annamaria
>
>
> Il 2024-03-19 16:29 Paola Sala ha scritto:
>> 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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>>
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Received on Thu Mar 21 2024 - 13:55:36 CET