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Article Dans Une Revue Revue Européenne de Mécanique Numérique/European Journal of Computational Mechanics Année : 2008

A method for updating joint parameters in medium-frequency vibrations

Philippe Rouch
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Olivier Allix

Résumé

Joints between substructures play a significant role in the vibrational behavior of complex structures because they govern energy flow and most of the dissipative phenomena. In order to identify joint models, this paper proposes a robust updating method which was initially based on studies of the error in constitutive relation in relation to finite element model updating. Here, it is redesigned in order to focus on joint models in medium-frequency problems. In order to do that, we use an alternative numerical approach called the Variational Theory of Complex Rays (VTCR). After introducing the new formulation, the paper analyzes the effectiveness of the approach in identifying a joint's stiffness and damping.
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Dates et versions

hal-01023412 , version 1 (12-07-2014)

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Olivier Dorival, Philippe Rouch, Olivier Allix. A method for updating joint parameters in medium-frequency vibrations. Revue Européenne de Mécanique Numérique/European Journal of Computational Mechanics, 2008, 17 (5/7), pp.713-723. ⟨10.3166/remn.17.713-723⟩. ⟨hal-01023412⟩
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