Fast dynamic analysis of damaged 1D periodic waveguides - Archive ouverte HAL
Communication Dans Un Congrès Année : 2024

Fast dynamic analysis of damaged 1D periodic waveguides

Résumé

We extend the Bloch wave-based reduced order models in the Wave Finite Element Method (WFEM) framework for fast wave-damage interaction analysis. It aims at fault detection and diagnosis of periodic structures. A finned tube heat exchanger, which can be seen as a 1D system, is used as a numerical application. Reduced model results and performance are compared to a standard WFEM model. Diffusion curves are obtained more than a hundred times faster with the proposed scheme, moving toward massive generation of wave-damage scenarios and indicators to perform damage detection.
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Dates et versions

hal-04732436 , version 1 (11-10-2024)

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Alvaro Gavilán Rojas, Qinghua Zhang, Olivier Robin, Christophe Droz. Fast dynamic analysis of damaged 1D periodic waveguides. SysID 2024 - 20th IFAC Symposium on System Identification, IFAC, Jul 2024, Boston, United States. pp.325 - 329, ⟨10.1016/j.ifacol.2024.08.549⟩. ⟨hal-04732436⟩
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