Shipilov Vladimir Viktorovich Student Obninsk Institute for Nuclear Power Engineering, NRNU MEPhI VVShipilov@bk.ruThe problem formulation to study the excitation of oscillations of fuel elements in the presence of a helical vortex 9/16/2020 2020 - #03 Global safety, reliability and diagnostics of nuclear power installations Shipilov V.V. Avdeev E.F.