TY JOUR TI WAYS TO REDUCE THE FORCE IMPACT OF HIGH-SPEED ELECTRIC TRAINS IN CURVED SECTIONS OF THE TRACK KW electric train KW underframe KW axle boxes KW body KW modeling KW efficiency JO Transport engineering AU Berezin, V.V. AU Spirov, A.V. AU Panin, Y.A. AU Kuluv, T.V. AU Lyashenko, T.V. PY 2025 IS 2025 PB Bryansk State Technical University