Re: [fluka-discuss]: Scoring for cosmic ray dose equivalent

From: Luigi Salvatore Esposito <>
Date: Mon, 21 Aug 2017 21:42:46 +0000

Dear Caner,
find attached your input file with some modifications in line with my comments in my previous email.
As cross check for the dose eq calculation, I added few USRTRACK (plot enclosed).
The lines show:
- black line: fluence of all particles in region Air100
- blue line: fluence of muons in region Air100. As expected they represent the biggest contribution, especially in the high-energy range
- green line: ambient dose distribution. For energy > 1 GeV the scaling factor between the dose-eq and fluence is ~300.
This is exactly what is expected: as reference give a look at Figure 10 (bottom) in this technical note<> that describes the implementation of the
conversion coefficient from fluence to dose eq in FLUKA.

As final remark, there were cards after a STOP card in your input file.
Be aware that all those cards are actually not read.

Best, luigi

P.S. I guess that your email is not registered to the mailing list, as your email didn’t arrive to the list.
It’s worth to register: both to have feedback from and provide (hopefully!) useful hints to other users.


On 17 Aug 2017, at 15:42, CANER SECKIN <<>> wrote:

Dear Luigi,

I am teammate with Hasan Tolga ADA.
We are trying to calculate dose eq due to cosmic rays.For that we created our local geometry file from atmloc_2011.f.
We looked at fluka manual but it is not enough to solve our problem for us.
The attached file includes .inp file of our study.
Thanks for your help
Best regards,

Kimden: "Luigi Salvatore Esposito" <<>>
Kime: "HASAN TOLGA ADA" <<>>
Kk: "FLUKA discussion" <<>>
Gönderilenler: 14 Ağustos Pazartesi 2017 15:42:04
Konu: Fwd: [fluka-discuss]: Scoring for cosmic ray dose equivalent

Dear Tolga,
sorry for the late replay but I overlooked your replay.

From what I can understand, you are interested to dose-eq due to the cosmic rays.
Therefore I assume that you have no RADDECAY card in your input, which is needed to simulate radioactive decays.
As a result, the DCYSCORE cards should not be present as well.
The results would anyhow only account for the prompt phase (Note 6 of DCYSCORE in the manual).

You should provide different names the scorings: USRBIN/EVENTBIN have the same name. Otherwise this is somehow vague when they are associated to AUXSCORE.

Most importantly, it makes no sense to try to compute dose-eq with a USRYIELD since dose-eq is defined as the particle fluence (*not* yield) folded with energy dependent coefficients.

Let me conclude that it would be more effective to send the input file (ideally a minimum version of it) in order to better provide a better assistance.

Best regards, luigi

Begin forwarded message:

Subject: Re: [fluka-discuss]: Scoring for cosmic ray dose equivalent
Date: 10 August 2017 at 13:46:14 GMT+2
To: Luigi Salvatore Esposito <<>>

Dear Luigi,

I looked at the documents before, and me and my friends try to calculate the dose-eq several times but we could not get any result.

I have all particle flux from cosmic rays on the ground level but I could not convert to dose eq.

The attached files include out last scoring try about our study. I'll be really glad if you have chance to look at the attacted files for giving us some feedback.

Best regards.

Kimden: "Luigi Salvatore Esposito" <<>>
Kime: "HASAN TOLGA ADA" <<>>
Gönderilenler: 9 Ağustos Çarşamba 2017 0:12:41
Konu: Re: [fluka-discuss]: Scoring for cosmic ray dose equivalent

Dear Tolga,
it’s difficult trying to help you since you didn’t report any details about your problem.

I recommend you to give a look to the slides<> about the scoring at last FLUKA course.
And, of course, feel free to post again if you have a more specific question.
Best regards, luigi

On 7 Aug 2017, at 17:22, HASAN TOLGA ADA <<>> wrote:

Dear FLUKA users,

I'll try to calculate dose equivalent for the cosmic rays on FLUKA. However I have some problems with the scoring. Here is the main problem, with the help of manual and the notes in the website, I try to make the correct scoring but I can't.

As you can understand that I am new in FLUKA and I couldn't have chance to attend neither beginner nor advanced courses.

I will be really greatful if you dear users can help me for my problem.

Best regards

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Received on Tue Aug 22 2017 - 00:51:25 CEST

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