TY JOUR TI COMPARATIVE ANALYSIS OF COMPUTABLE DYNAMIC MODELS OF PORT CRANES ON THE BASIS OF ONE AND TWO-DIMENSIONAL FINITE ELEMENTS KW load-lifting bridge crane KW finite element method KW finite element KW thin-walled open and closed bars KW computational-dynamic model KW equation of motion KW natural oscillations KW natural frequencies KW eigenforms JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Panasenko, N.. AU Sinelshchikov, A.. PY 2019 IS PB Astrakhan State Technical University