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This is the project homepage for the Generalized Nuclear Data Structure (GNDS) format specification.
The project seeks to define a new structure for storing nuclear reaction data in multiple forms (evaluated, processed, experimental, etc).
Release of GNDS-v1.9 and Fudge-4.2.3
We are pleased to announce the latest release of Fudge, along with an updated GND version 1.9.
Changes in the latest version:
- support for translating the entire ENDF-VIII library from ENDF-6 format into GNDS. This includes the
decay sublibrary as well as spontaneous and neutron-induced fission yield sublibraries (not previously supported)
- improved processing capabilities, including the 'processProtare' script that serves as the main driver
for generating processed files for either Monte Carlo or deterministic radiation transport.
- Various changes to better conform to the GNDS specifications laid out by WPEC subgroup #38
Please try out the new software and send us any comments or critiques!
Installation
Download the latest version (currently 'fudge-4.2.3.tar.gz', or 'fudge-4.2.3.zip' for easier use on Windows), unpack it,
then navigate into the newly-created directory and execute the file fudge/bin/rePrint.py:
>tar -xvf fudge-4.2.3.tar.gz (or unzip fudge-4.2.3.zip)
>cd fudge-4.2.3
>make -s # requires a c compiler. Omit option -s for verbose output, and please report any issues
>make -s merced # (optional). Builds the Merced code for generating multi-group libraries.
>cd bin
>./rePrint.py .../path/to/evaluation.endf
This tool converts an ENDF-6 formatted file to the new format, and also converts back to ENDF-6, permitting easy comparison
of the original to new files. More information is available in the documentation, in fudge-4.2.3/doc/html/index.html
We appreciate all feedback! Please give us specific feedback or bug reports on the tracker,
and more general comments on the forum. Login with a valid GForge account is required. If you do not
or cannot get access, email your comments and/or corrections to David Brown (dbrown_at_bnl_dot_gov) or Caleb Mattoon (mattoon1_at_llnl_dot_gov).
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