TY JOUR TI Strength Assessment of the TEM-2 Locomotive Main Frame Exposed to Static and Impact Loads KW Locomotive main frame KW TEM-2 shunting locomotive KW stress-strain state KW residual life assessment KW low-cycle fatigue KW load-bearing structure strength KW finite element analysis JO Proceedings of Petersburg Transport University AU Grigor'ev, P.S. AU Kodirov, N.S. AU Bat-erdene, O.. PY 2025 IS 22 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"