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The development of a component mode synthesis (CMS) model for three dimensional fluid-structure interaction

Magahlaes, M.D.C. and Ferguson, N.S. (2005) The development of a component mode synthesis (CMS) model for three dimensional fluid-structure interaction Journal of the Acoustical Society of America, 118, (6), pp. 3679-91. (doi:10.1121/1.2114567).

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Our main aim in this paper is to develop analytically the three-dimensional Component Mode Synthesis method and to use it on fluid–structure interaction problems, such as sound transmission between coupled volumes. This will be shown for simple volume geometries, but, in principle, the same procedure can be applied when the component modes are obtained from numerical techniques, such as the Finite Element Model (FEM) or Boundary Element Method (BEM). The modal behavior of acoustic volumes and a partition is implemented in two steps. The first extension here is based on a one-dimensional model where the transverse acoustic modes of the volumes are incorporated into the formulation. The second extension, which is more general, considers not only the transverse acoustic modes of the volumes, but also structural modes of the partition. A comparison is made with predictions based on a modal model using the normal modes of rigid walled enclosures separated by a simply supported partition. For the latter modal model, particle velocity continuity was not incorporated in the formulation.

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Published date: 2005


Local EPrints ID: 28417
ISSN: 0001-4966
PURE UUID: dd5e1aa0-b989-4cca-9f4b-bb8fd7613147

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Date deposited: 02 May 2006
Last modified: 17 Jul 2017 16:01

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Author: M.D.C. Magahlaes
Author: N.S. Ferguson

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