TY JOUR TI CALCULATION OF THIN-WALL METAL SEALS OF COMPLEX GEOMETRIC SHAPE KW thin-walled seal KW shell KW stress-strain state KW strength calculations KW modeling JO Modern Technologies and Scientific and Technological Progress AU Belogolov, Y.I. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»