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on 10/22/24 at 3:26 PM
At the Nuclear Energy Agency (NEA), the importance of fuel modelling and its improvement through development of phenomenological representations has been recognised and multiple technical groups related to materials modelling and the support of advanced fuels and safety codes are considering these issues. One example is the Working Party on Multiscale Modelling (WPMM) of Fuels and Structural Materials for Nuclear Energy Systems, and in particular the Expert Group on Multiscale Modelling of Fuels, which published in October 2015 a state-of-the-art report on Multi-scale Modelling of Nuclear Fuels. Another example is the Reactivity Initiated Accident (RIA) Fuel Codes Benchmark that was organised by the Working Group of Fuel Safety (WGFS), who released first results in November 2013 – “RIA Fuel Codes Benchmark - Volume 1” – and results of a second phase in April 2016 – “Reactivity Initiated Accident (RIA) Fuel Codes Benchmark Phase-II”.
The International Workshop on Nuclear Fuel Modelling to Support Safety and Performance Enhancement for Water-Cooled Reactors was held on 7-9 March 2017 in Paris to further improve the co-ordination of these activities, both within the NEA and in the broader technical world, and to identify future needs. The workshop was an excellent opportunity to bridge the gap between the WGFS and WPMM activities and identify future perspectives of nuclear fuel modelling.
