TY JOUR TI ANALYSIS OF METHODS FOR ASSESSING THE STRENGTH OF STRUCTURES IN AREAS OF CONCENTRATION OF MECHANICAL STRESSES KW fracture KW crack KW fitting KW stress tensor KW stiffness coefficient JO Scientific Papers Collection of the Angarsk State Technical University AU Cherepanov, A.P. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»