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dc.contributor.authorHoward, C.en
dc.contributor.authorHansen, C.en
dc.contributor.authorZander, A.en
dc.identifier.citationApplied Acoustics, 2005; 66(11):1235-1261en
dc.description.abstractSound transmitted through an enclosing structure into a cavity has been minimised by optimising the locations, numbers and properties of tuned mass dampers placed on the structure and Helmholtz resonators placed in the cavity. Most of the results presented in the literature show the effect of a few well selected acoustic or vibration absorbers on simple vibro-acoustic systems, whereas the results presented here indicate the trends that occur when a few absorbers are replaced by a large number. The results indicate that for low numbers of absorbers, the result of the optimal configuration is to reduce the response of discrete modes, and for a large number of absorbers the result of the optimal configuration is a tendency for the vibro-acoustic energy to be smeared over a range of frequencies, which is similar to the results seen in fuzzy structures. The enormous computational task was achieved using a distributed computing network and an asynchronous parallel genetic algorithm.en
dc.description.statementofresponsibilityCarl Q. Howard, Colin H. Hansen and Anthony Zanderen
dc.publisherElsevier Sci Ltden
dc.subjectgenetic algorithm; optimisation; vibro-acousticen
dc.titleVibro-acoustic noise control treatments for payload bays of launch vehicles: Discrete to fuzzy solutionsen
dc.typeJournal articleen
pubs.library.collectionMechanical Engineering publicationsen
dc.identifier.orcidHoward, C. [0000-0002-7677-5318]en
dc.identifier.orcidHansen, C. [0000-0002-1444-4716]en
dc.identifier.orcidZander, A. [0000-0003-4099-8146]en
Appears in Collections:Mechanical Engineering publications
Environment Institute publications

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