Response of a Thin Cylindrical Shell Excited by a Turbulent Internal Flow

Authors: Mattei, P-O.; Filippi, P.J.T.

Source: Applied Scientific Research, Volume 61, Numbers 1-4, 1998 , pp. 85-99(15)

Publisher: Springer

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Abstract:

This paper presents results obtained within the scope of a collaboration between the ``Laboratoire de Mécanique et d'Acoustique'' (Marseille, France), the ``Laboratoire de Mécanique des Fluides et d'Acoustique'' of the Ecole Centrale (Lyon, France) and the ``Laboratoire de Vibrations et d'Acoustique'' of the Institut National des Sciences Appliquées (Lyon, France). The main aspect of this collaboration is to establish a comparison between a measured and a model vibro-acoustics response of a thin cylindrical pipe excited by a turbulent internal flow. After a brief review of the literature, a model of the response of the shell, based on a matched asymptotic expansion, is given. Some numerical results are also given. The spectral density of the acceleration of the shell is compared with experimental results.

Keywords: cylindrical shell; fluid loading interaction; turbulent flow; vibro-acoustics

Document Type: Regular Paper

Affiliations: Laboratoire de Mécanique et d'Acoustique, UPR 7051 CNRS, 31, chemin Joseph-Aiguier, 13042 Marseille Cedex 20, France

Publication date: January 1, 1998

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