RE: [fluka-discuss]: Major new FLUKA release fluka2021.2 is out

From: <>
Date: Tue, 18 May 2021 19:16:45 -0700

Hi Paola,

Thanks to all of you for this new major update and I have just a question regarding the WSL Tool procedure.
Usually the WSL procedure upload automatically all the new releases by itself ( Fluka, Flair and Fortran).
With this separation tar file/ library Is the WSL going to take in consideration both files (library and tar) or Do I need to manually adjust the user routine to include the library too?

Thanks again for your help and support.

Luca J Tagliapietra

-----Original Message-----
From: <> On Behalf Of Paola Sala
Sent: Tuesday, May 18, 2021 11:28 AM
Subject: [fluka-discuss]: Major new FLUKA release fluka2021.2 is out

Dear FLUKA users

Fluka-2021.2 is now available on the official Fluka web site (

This is a revolutionary rather than evolutionary major release with plenty of additions/improvements both from the physics and technical side.

New features are shortly listed below, and described in more detail in the release notes (attached to this message), and in the manual.

Some of the features ** require modifications of the users routines ** please read carefully if you have any.

If you are using the tar files rather than the rpm's, please
** note that you have to download two files ** since all data libraries, which are common to all compilers/architectures are now provided in a separate file (see the README file and the list below)


- Pointwise transport of low energy neutrons with correlated
   interactions is now available. A separate data file has to be
   downloaded (see README)

- Runge-Kutta based transport in electric fields is implemented for
   vacuum and gas regions

- Optional Runge-Kutta based transport in magnetic field in vacuum
   and gas regions (always active when noth magnetic and electric
   fields are present)

- New physics model for coherent elastic scattering of hadrons on nuclei

- New treatment for quasi-elastic scattering of hadrons on nuclei

- Transport and in-flight decay of excited residual nuclei

- Improved nuclear mass/decay/deexcitation database

- Revised hadron-nucleus interaction cross sections

- Revised cross sections for proton - light ion interactions

- Non monochromatic scintillation light emission and transport

- Delta resonance decay in photon+nucleon


- magfld.f has one more argument: time

- source.f variables related to in-flight transport have to be

- mgdraw.f entry USDRAW: pay attention to quasielastic, flags
   available (see below)

- mgdraw.f entry USDRAW: new interaction code for ion splitting events

- new routines for non-monochromatic scintillation light (see manual)

Please always refer to the updated templates in the usermvax directory.

Given the amount and the importance of the new features, some quirks can be expected despite most of them are in extensive testing since several months within the FLUKA Collaboration. Please report any problem to as usual.

Given the amount of changes and the related need for adapting, the latest respin of Fluka2020.0, fluka2020.0.10, will be still available and its support assured for a few weeks.

The FLUKA Authors and all their collaborators wish you a pleasant experience with the new release!

Warning: if you see this message in the *1ST* cycle of a series, don't worry!

!!!!!!!!!! Seed file not accepted: or corrupted or main seed not matching the requested one !!!!!!!!!!

It is immaterial, it simply tells you that the initial seed has to be created from scratch because the default one does not match what you asked for in the RANDOMIZ card

If you see it in the 2nd, 3rd cycle..then DO worry!

Available files:


     fluka-2021.2-0.x86_64.rpm (Linux, gfortran-10.3, 64
     fluka-2021.2-0.i686.rpm (Linux, g77, 32 and 64 bit)

   Tar files:

     fluka2021.2-data.tar.gz (Data, required by all other
                                                tar files)
     fluka2021.2-linux-gfor64bitAA.tar.gz (Linux, gfortran-10.3, 64
     fluka2021.2-linux-gfor64bit-9.3-AA.tar.gz (Linux, gfortran-9.3, 64
     fluka2021.2-linux-gfor64bit-8.4-AA.tar.gz (Linux, gfortran-8.4, 64
     fluka2021.2-linuxAA.tar.gz (Linux, g77, 32 and 64 bit)
     fluka2021.2-mac-gfor64bit-10.2-AA.tar.gz (Mac , gfortran-10.2, 64
     fluka2021.2-mac-gfor64bit-9.3-AA.tar.gz (Mac , gfortran-9.3, 64
     fluka2021.2-mac-gfor64bit-8.4-AA.tar.gz (Mac , gfortran-8.4, 64

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Received on Wed May 19 2021 - 06:17:15 CEST

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