Modeling vibrational energy transmission at bolted junctions between a plate and a stiffening rib

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DOIResolve DOI: http://doi.org/10.1121/1.1344162
AuthorSearch for: ; Search for:
TypeArticle
Journal titleJournal of the Acoustical Society of America
Volume109
IssueMarch 3
Pages9991010; # of pages: 12
SubjectSEA, junction, modeling; Vibrations
AbstractThis paper presents an analytical model for structure-borne sound transmission at a bolted junction in a rib-stiffened plate structure. The model is based on the wave approach for junctions of semi-infinite plates and calculates coupling loss factors required by Statistical Energy Analysis. The stiffening rib is modeled as a plate strip and an elastic interlayer represents the junction with a spatially dependent stiffness. Measured results for the bolted junction without spacers suggested that structure-borne sound transmission could be modeled as a series of connections characterized by an equivalent connection length. This was explored further by determining an optimum connection length that gives the best agreement between numerical and experimental data.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number44763
10308
NPARC number20378919
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Record identifier5ea24231-752f-4478-a393-c8e6a11c5d3c
Record created2012-07-24
Record modified2016-05-09
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