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Fatigue Life Predictions by Coupling Finite Element and Multibody Systems Calculations
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1997
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Railway TrafficEngineeringLife PredictionStructural DynamicsMechanical EngineeringMultibody Systems CalculationsStructural OptimizationComputational MechanicsMultibody SimulationFatigueStructural EngineeringFatigue ManagementRail TransportMechanicsBogie FrameSystems EngineeringService Life PredictionCoupling Finite ElementStructural Health MonitoringFatigue Life PredictionsStructural ReliabilityLoad-bearing CapacityLow-cycle FatigueStructural AnalysisTrain ControlStructural MechanicsRailway BogieMechanics Of Materials
Abstract The dynamic loads and accelerations acting on a railway bogie are predicted by multibody simulation. The bogie frame is considered as an elastic body of the MBS-model, in which elastic displacements are represented by eigen and staticmodes. Stresses are calculated for the most stressed locations of a bogie in the MBS-postprocessor. Based on these a fatigue life prediction is carried out.