PT Journal
AU Polach, P
TI Utilization of Multibody Simulations at the Trolleybus Development
SO Manufacturing Technology Journal
PY 2013
BP 515
EP 520
VL 13
IS 4
DI 10.21062/ujep/x.2013/a/1213-2489/MT/13/4/515
DE trolleybus; multibody model; dynamics; constructional design
AB SKODA VYZKUM s.r.o. (now Vyzkumny a zkusebni ustav Plzen s.r.o.) cooperated on the development of the NEOPLAN DMA low-floor articulated trolleybus intended for the Boston city (the United States). Multibody models and finite element models of the trolleybus were utilized in the stage of the vehicle design. The multibody models of the trolleybus were created in the Alaska simulation tool and the simulations (running over a large road unevenness, start, braking and driving through a bend) were aimed at determining forces acting in the trolleybus suspension elements and radius rods. Time histories of the forces calculated using multibody models were used as the input data of the trolleybus finite element models. Utilizing the finite element models the critical places of the trolleybus body structure from the point of view of high stresses were determined. At the measurement with the real trolleybus prototype these places were provided with strain gauges.
ER