TY JOUR TI Dynamic model substantiation of elastic body in bilevel car KW bilevel car KW elastic car body KW dynamic model KW mathematic modeling KW finite element KW vibration test KW selfresonant frequency KW bending vibrations. JO Bulletin of Bryansk state technical university AU Lebedev , V.. AU Antipin, D.Y. AU Kobishchanov, V.V. AU Korshunov , S.. PY 2015 IS 2015 PB Bryansk State Technical University