Aerodynamic fatigue evaluation of the equipment cabin of high‐speed trains based on sub‐zone loading method
Heting Xiao,
Xi‐feng Liang,
Bo Sun
et al.
Abstract:The equipment cabins of high‐speed trains encountered alternating pressure loads during operation. A fatigue evaluation methodology based on sub‐zone aerodynamic loading was proposed. Theoretical model was given between pressure load at each zone and the accompanying six structural stress components. Stress recovery matrix was formulated by finite element analysis (FEA) in sub‐zone loading cases to relate the stress to the measured pressure loads. Vehicle test gathered the pressure time‐history data of cabin s… Show more
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