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dc.contributor.authorBai, MRen_US
dc.contributor.authorChang, Sen_US
dc.date.accessioned2014-12-08T15:02:39Z-
dc.date.available2014-12-08T15:02:39Z-
dc.date.issued1996-05-01en_US
dc.identifier.issn0003-682Xen_US
dc.identifier.urihttp://dx.doi.org/10.1016/0003-682X(95)00040-Gen_US
dc.identifier.urihttp://hdl.handle.net/11536/1304-
dc.description.abstractBoundary element methods (BEM) in conjunction with optimization algorithms are employed for active noise control of sound fields in three-dimensional enclosures. Total time-averaged acoustic potential energy is chosen as the cost function for the optimization procedure. The BEM is used to model the monochromatic sound field generated by noise sources in the enclosure. The constrained steepest descent method proves to be effective when both positions and amplitudes of the secondary sources are to be optimized, while the direct matrix inversion, the steepest descent method, and the conjugate gradient method prove to be useful when only the amplitudes of secondary sources are to be optimized. The developed BEM-based optimization techniques are applied to control the noise in a rectangular enclosure and a vehicle cabin.en_US
dc.language.isoen_USen_US
dc.subjectboundary element methoden_US
dc.subjectoptimization algorithmsen_US
dc.subjectenclosed harmonic fieldsen_US
dc.subjectactive noise controlen_US
dc.titleActive noise control of enclosed harmonic fields by using BEM-based optimization techniquesen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/0003-682X(95)00040-Gen_US
dc.identifier.journalAPPLIED ACOUSTICSen_US
dc.citation.volume48en_US
dc.citation.issue1en_US
dc.citation.spage15en_US
dc.citation.epage32en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
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