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Article Dans Une Revue Journal of Sound and Vibration Année : 2018

The modelling of the flow-induced vibrations of periodic flat and axial-symmetric structures with a wave-based method

Résumé

The stochastic response of periodic flat and axial-symmetric structures, subjected to random and spatially-correlated loads, is here analysed through an approach based on the combination of a wave finite element and a transfer matrix method. Although giving a lower computational cost, the present approach keeps the same accuracy of classic finite element methods. When dealing with homogeneous structures, the accuracy is also extended to higher frequencies, without increasing the time of calculation. Depending on the complexity of the structure and the frequency range, the computational cost can be reduced more than two orders of magnitude. The presented methodology is validated both for simple and complex structural shapes, under deterministic and random loads.
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Dates et versions

hal-02090712 , version 1 (05-04-2019)

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F Errico, Mohamed Ichchou, S de Rosa, O. Bareille, F. Franco. The modelling of the flow-induced vibrations of periodic flat and axial-symmetric structures with a wave-based method. Journal of Sound and Vibration, 2018, ⟨10.1016/j.jsv.2018.03.012⟩. ⟨hal-02090712⟩
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