Re: [fluka-discuss]: USERDUMP and random numbers]

From: Paola Sala <paola.sala_at_mi.infn.it>
Date: Thu, 13 Mar 2014 11:30:55 +0100

Hello
adding to what Alberto said,
I would also incourage you to use the internal fluka scoring options and
the FLAIR user interface. With this, you'll be able to visualize particle
showers whithout the need to write your own code
Paola
> Hello there!
>
> I am trying to work out, how to extract the eventfile from FLUKA.
> I've got fluka running, and I've been able to simulate simple geometries,
> and it yields sensible results. So I've got that going for me, which is
> nice.
> Furthermore, I'd like to get the particle trajectories, to get a feeling
> of the propagation of particles in materials.
>
> The setup I have is very simple, it's just an electron beam of 500MeV,
> impinging from vacuum, into a cylinder of air. And I'd like to see the
> secondary particle showers, and also how much the primary particles spread
> out. For that I've found that I should use the USERDUMP-card. In flair, it
> is set up as Type:Dump, Unit:50, File:test, What:[empty], Score:All and
> Dump:[empty].
>
> My plan is from hereon, to get that information and use SimpleGeo, with
> PIPSICAD, to visualize the particle trajectories.
>
> ---My problem:
> When I run the simulation, it stops, with the following in the
> Output-terminal:
>
> [begin]
>
> Dir: /home/cb/w3
> Cmd: /usr/local/fluka/flutil/rfluka -e /home/cb/w3/piflu -M 5 test
> $TARGET_MACHINE = Linux
> $FLUPRO = /usr/local/fluka
>
> Initial seed already existing
> Running fluka in /home/cb/w3/fluka_3479
>
> ============== Running FLUKA for cycle # 1 ================
>
> Removing links
> Removing temporary files
> Saving output and random number seed
> No rantest002 generated!
> Saving additional files generated
> No additional files to move
> ERROR: Random seed '/home/cb/w3/rantest002' do not exist!
>
> [end]
>
>
>
> I also get an error message in the folders (test-001.err):
> *** Old dump file is obsolete and no longer implemented ***.
>
>
>
> I hope you will take your time to look this through - And thank you very
> much, in advance.
>
> Kindly, Christian Buhl Sørensen.
>
>
>
>
>
> ========= Other information ===========
>
> ---My system:
> I use FLUKA(v2011.2b.5) with flair (1.2-4), on a virtual
> machine(Virtualbox) running 32 bit Fedora 20. I have installed the
> compatibility package for the g77, namely compat-gcc-34-g77 (this might be
> a hint for others, unless it's a wrong thing to do, I struggled quite a
> bit with finding that). I expect the compiler to be fine, as it compiles
> the mgdraw, and links it to a executable without problems.
>
> ---My inputfile:
> TITLE
> test
> * Set the defaults for precision simulations
> DEFAULTS
> PRECISIO
> * Define the beam characteristics
> BEAM -0.5 -0.1 -0.1
> ELECTRON
> * Define the beam position
> BEAMPOS 0.0 0.0 -10.
> GEOBEGIN
> COMBNAME
> 0 0
> * Black body
> SPH blkbody 0.0 0.0 0.0 300.0
> * Void sphere
> SPH void 0.0 0.0 0.0 100.0
> * Cylindrical target
> RCC target 0.0 0.0 0.0 0.0 0.0 10.0 5.0
> END
> * Black hole
> BLKBODY 5 +blkbody -void
> * Void around
> VOID 5 +void -target
> * Target
> TARGET 5 +target
> END
> GEOEND
> * ..+....1....+....2....+....3....+....4....+....5....+....6....+....7..
> ASSIGNMA BLCKHOLE BLKBODY
> ASSIGNMA VACUUM VOID
> ASSIGNMA AIR TARGET
> USERDUMP 50. 0.0 test
> * Set the number of primary histories to be simulated in the run
> START 100.
> STOP
>


Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148


Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148
Received on Thu Mar 13 2014 - 12:28:48 CET