[fluka-discuss]: DOSE-EQ calculation with IRRPROFI and DCYTIMES

From: Camille Belanger-Champagne <cbchampagne_at_triumf.ca>
Date: Mon, 6 Apr 2020 23:23:21 +0000

Dear experts,

I want to simulated the dose-equivalent rate at 30cm from an irradiated item, at multiple fixed times after irradiation with a known profile. My first attempt has good match on the simulated vs measured gamma ray activity, but relatively poor match with between the simulated and measured dose rate.

It’s the first time I attempt scoring of DOSE-EQ and so I wanted to confirm that the input file had all the pieces included correctly before going any further with my data comparisons. Could you please check that it is sufficient for what I am trying to do?

I also wanted to confirm: what are the units of the USRBIN output in this case? pSv/s?

A minimal input file for what I am trying to do is included below and in attachment. Thank you for your guidance,

Camille

* ..+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
TITLE
Activation of copper
IRRPROFI 1000. 1E8
* ..+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
BEAM -0.1 3.0 3.0 PROTON
BEAMPOS 0.0 0.0 -1.
RADDECAY 1. 3. 99999
PHYSICS 1. COALESCE
PHYSICS 3. EVAPORAT
*
GEOBEGIN COMBNAME
    0 0 A small 3cm x 3 cm, 5g piece
RPP body1 -5000000. 5000000. -5000000. 5000000. -5000000. 5000000.
RPP body2 -1000000. 1000000. -1000000. 1000000. -100. 1000000.
RPP body3 -1.5 1.5 -1.5 1.5 0.0 0.062
END
* black hole
regBH1 5 +body1 -body2
* vacuum around
regVA2 5 +body2 -body3
* target
regTA3 5 +body3
END
GEOEND
* External Black Hole
ASSIGNMA BLCKHOLE regBH1
* Vacuum
ASSIGNMA VACUUM regVA2
ASSIGNMA COPPER regTA3
LOW-NEUT
DCYTIMES 0. 180.
USRBIN 10. DOSE-EQ -21. 0.5 0.5 -30.DoseR1
USRBIN -0.5 -0.5 -31. 1. 1. 1. &
USRBIN 10. DOSE-EQ -21. 0.5 0.5 -30.DoseR2
USRBIN -0.5 -0.5 -31. 1. 1. 1. &
DCYSCORE 1. DoseR1 DoseR1 USRBIN
DCYSCORE 2. DoseR2 DoseR2 USRBIN
AUXSCORE USRBIN DoseR1 DoseR2 AMB74
* ..+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
RANDOMIZ 1. 123123.
* ..+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
START 100000.
STOP



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Received on Tue Apr 07 2020 - 03:16:27 CEST

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