Gnat is an open-source radiation transport and nuclide activation / depletion solver developed by the Centre for Small Modular Reactors at Ontario Tech University (OTU), which is built on top of the MOOSE finite element framework. Gnat has been designed to simulate neutron activation in gases and aerosols, acting as the source-term solver for the next-generation health physics and environmental impact code Caribou.
Installation instructions can be found here.
Documentation of Gnat is still a heavy work in progress. User's can visit the documentation webstite here.
New users of Gnat and/or Caribou are encourages to visit the MOOSE website and the MOOSE tutorials to learn about how MOOSE-based applications are structured and to get a feel for using and developing a MOOSE-based application.
We would like to acknowledge the support of the University Network of Excellence in Nuclear Engineering (UNENE) and the Natural Sciences and Engineering Research Council of Canada (NSERC) through the Industrial Research Chairs program [funding reference number IRCPJ 549979-19].
