METHODOLOGY FOR HIGH-FIDELITY DETERMINISTIC MODELLING OF SWISS LWR FUEL ASSEMBLIES A. Bernal, M. Pecchia, D. Rochman, A. Vasiliev and H. Ferroukhi EPJ Web Conf., 247 (2021) 06011 Published online: 22 February 2021 DOI: 10.1051/epjconf/202124706011