Ilyin Pavel Aleksandrovich Head of Laboratory, Cand. Sci. (Phys.-Math.) JSC «SSC RIAR» ilyinpavel74@yandex.ruModel of Gas Pressure under the Cladding of WWER-1000 Fuel Rods after Operation 3/18/2024 2024 - #01 Modelling processes at nuclear facilities Bokov A.A. Pavlov S.V. Ilyin P.A. Teplov V.G.