Note:
In order to be able to download software from the FLUKA website it is mandatory to be registered as FLUKA user. Follow the link to bring up the registration form or proceed to the download area if you already are a registered FLUKA user.

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In general, FLUKA is available in form of a pre-compiled object library for a list of computer platforms. The library is distributed as compressed tar-file which contains additional files required to actually run the program. Heavy-Ion interactions are realized through 2 interfaced, external simulation packages (DPMJET and RQMD-2.4) which are also provided in form of pre-compiled object libraries.

In case of Linux, the version of the system C library and the installed FORTRAN compiler are of importance (at this point g77 is used as Fortran compiler). Any current Linux distribution with a compatible set should work. For the other platform(s), it is sufficient if the OS version you are running is at least as new as the one indicated. Please contact the FLUKA team for information if the platform and/or configuration you are interested in are not listed below. This is a reduced list of platforms which will be expanded.

GNU/Linux in principle version 3 and greater of gcc/g77 should work
Compaq/Digital Tru64 UNIX V4.0F

current version: FLUKA 2006.3b, March'07 - last respin Jan'08

The 2006.3 release of the FLUKA package introduced many fundamental changes compared to the previous version. A detailed description of the changes and new features can be found in the Release Notes. Some of the new feature are still felt experimental but are expected to mature rather quickly. At this point in time, the previous version FLUKA 2005.6 is no more available to the users and is considered obsolete.


FLUKA source code
In preparation of the general FLUKA source release (under a special user license agreement) a source release of the FLUKA core routines is available to research associates and staff members of the two sponsoring organizations, INFN and CERN. In addition to the registration as regular FLUKA user, a signed written form has to be submitted by surface mail in order to be able to download the FLUKA source code. Please make sure you are a registered FLUKA user before proceeding with the source download procedure for INFN and CERN associates. The source routines of this release are specific to Linux.


Install


Initially you should expect to need about 100 Mbyte of disk space to install and run FLUKA. In addition a FORTRAN compiler is required for your platform to generate the FLUKA executable. After a successful download you will find a compressed Unix tar file which contains the FLUKA package. You should be using a Unix system at this point.

IMPORTANT: Please create a new directory in preparation of the FLUKA install. Move the file you just downloaded into this directory before unpacking!

For the purpose of these instructions, lets call the directory myFlukaArea and the file fluka2006.3b-linuxAA.tar.gz. The following commands will perform the installation.

The last command line implements an environment variable which is required by the utility scripts that ship with FLUKA (under $FLUPRO/flutil). This line is specific to the Unix SHELL one uses. The above example is the correct syntax for tcsh/csh. In case of bash the equivalent command would read The next important step for a successful installation: take a look at the README and the RELEASE-NOTES , in particular if you are a new user. Technically, FLUKA is setup at this point.

With the FLUKA package you received a current version of the FLUKA manual. The manual is the major source of information/help for preparing and running FLUKA. A current version of the manual is available online.


Run


Here is another, somewhat more detailed description on how to Install and Run FLUKA.

Always a good way to get started with a new software tool is to study well documented examples. We are starting to provide a list of such examples for various physics conditions. Here you can find the initial list: examples.

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