Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20388
Title: Analysis of structural acoustic coupling of a cylindrical shell with an internal floor partition
Authors: Li, DS
Cheng, L 
Gosselin, CM
Issue Date: 2002
Source: Journal of sound and vibration, 2002, v. 250, no. 5, p. 903-921
Abstract: In the present paper the structural acoustic coupling characteristics of a cylindrical shell with an internal floor partition are analyzed. Due to the existence of the floor, the cavity becomes irregular and both the structural and acoustic modes are difficult to express analytically. A method using "Radiation Efficiency Analysis of Structural Modes" is proposed. Typical configurations ranging from plain shells to shells with floor partitions are analyzed and, whenever possible, results are compared with those found in the literature. This method is shown to be effective when irregular-shaped cavities are involved. Meanwhile, analyses using wavenumber spectrum are also employed as an alternative. Results show that both methods have their own merit and both are very useful in the analysis of structural acoustic coupling systems, especially in the case of irregular cavities.
Publisher: Academic Press
Journal: Journal of sound and vibration 
ISSN: 0022-460X
EISSN: 1095-8568
DOI: 10.1006/jsvi.2001.3959
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