TY CONF TI Development of models, algorithms and software for solving the risk as-sessment problems at NPPs in case of beyond-design accidents KW probabilistic safety analysis KW deterministic safety analysis KW risk assessment KW nuclear power plants KW beyond design basis accidents KW neutron flux density KW emission of thermal neutron sources JO International Conference "Computing for Physics and Technology - CPT2020" AU Andreev, V.V. AU Berberova, M.A. AU Zolotarev, O.V. AU Chuenko, V.V. AU Karpushin, E.V. AU Suvorov, A.V. AU Fedoseeva, A.Y. AU Fiksakov, G.N. AU Abramova, A.A. PY 2024 PB ANO "Scientific and Research Center for Information in Physics and Technique"