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Article Dans Une Revue Earthquakes and Structures Année : 2014

Direct identification of modal parameters using the continuous wavelet transform, case of forced vibration

Safia Bedaoui
  • Fonction : Auteur
Hamid Afra
  • Fonction : Auteur

Résumé

In this paper, a direct identification of modal parameters using the continuous wavelet transform is proposed. The purpose of this method is to transform the differential equations of motion into a system of algebraic linear equations whose unknown coefficients are modal parameters. The efficiency of the present method is confirmed by numerical data, without and with noise contamination, simulated from a discrete forced system with four degrees-of-freedom (4DOF) proportionally damped.
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Dates et versions

hal-01157352 , version 1 (27-05-2015)

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Safia Bedaoui, Hamid Afra, Pierre Argoul. Direct identification of modal parameters using the continuous wavelet transform, case of forced vibration. Earthquakes and Structures, 2014, 6 (4), pp.393-408. ⟨10.12989/eas.2014.6.4.393⟩. ⟨hal-01157352⟩
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