#7262. Frequency response function-based model updating of flexible vehicle body using experiment modal parameter

November 2026publication date
Proposal available till 11-06-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Safety, Risk, Reliability and Quality;
Mechanical Engineering;
Automotive Engineering;
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Abstract:
Owing to the significant contribution of flexible modals in rigid-flexible multiple body system dynamics, model updating before flex-body generation is necessary. To address the complexity of multiple measured responses and high cost of computation, the Kriging surrogate model with a multi-objective function considering the magnitude and shape of each measured curve is proposed. The model-updating results demonstrate that the simulated models tend to coincide with the experiments. The results demonstrate that the updating procedure results in variations in the vibration response and ride comfort index.
Keywords:
High-speed railway; Kriging model; model updating; multibody system dynamics

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