Improving Robustness Assessment Methodologies for Structures Impacted by Missiles (IRIS_2012): Final Report

NEA/CSNI/R(2014)5
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The Committee on the Safety of Nuclear Installations (CSNI) approved in December 2008 a proposal of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) to conduct a round robin study, called Improving Robustness Assessment Methodologies for Structures Impacted by Missiles (IRIS), where the different computer codes, modelling approaches methods and results were to be compared to data and other codes used to determine effective means of analysing the structural and vibrational effects of a postulated missiles impact on a NPP.

This report documents the main results and conclusions of the second phase of IRIS benchmark study, IRIS_2012, officially launched in February 2012 with the participation of 28 teams from 20 different organisations from 11 countries that concluded in October 2012 in Ottawa, Ontario, Canada with a final workshop convened to discuss the results of the simulations performed.