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A finite element implementation of a laminated sandwich plate with viscoelastic core and surface bonded piezoelectric patches is used to obtain the frequency response of the panels. The sound transmission characteristics of the panels are evaluated by computing their radiated sound power using the Rayleigh integral method. Resistor and inductor shunt damping circuits are used to add damping to the sandwich panels. The optimal location of the surface-bonded piezoelectric patches is then obtained, along with the resistor and inductor circuits resistance and inductance, using direct multisearch optimization to minimize added weight, number of patches, and noise radiation. Trade-off Pareto optimal fronts and the respective optimal patch configurations are obtained.<\/jats:p>","DOI":"10.1177\/1077546320910542","type":"journal-article","created":{"date-parts":[[2020,3,6]],"date-time":"2020-03-06T07:05:55Z","timestamp":1583478355000},"page":"1110-1118","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":15,"title":["Optimal passive shunted damping configurations for noise reduction in sandwich panels"],"prefix":"10.1177","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3994-2516","authenticated-orcid":false,"given":"Aur\u00e9lio L","family":"Ara\u00fajo","sequence":"first","affiliation":[{"name":"IDMEC, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Portugal"}]},{"given":"Jos\u00e9 F","family":"Aguilar Madeira","sequence":"additional","affiliation":[{"name":"IDMEC, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Portugal"},{"name":"ADM, ISEL, Instituto Polit\u00e9cnico de Lisboa, Portugal"}]}],"member":"179","published-online":{"date-parts":[[2020,3,6]]},"reference":[{"key":"bibr1-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruct.2016.03.013"},{"key":"bibr2-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2006.01.017"},{"key":"bibr3-1077546320910542","author":"Ara\u00fajo AL","journal-title":"Composite Structures"},{"key":"bibr4-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruct.2013.04.044"},{"key":"bibr5-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2010.04.006"},{"key":"bibr6-1077546320910542","volume-title":"Theory of Viscoelasticity","author":"Christensen RM","year":"1982","edition":"2"},{"key":"bibr7-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1137\/10079731X"},{"key":"bibr8-1077546320910542","volume-title":"Sound and Structural Vibration: Radiation, Transmission and Response","author":"Fahy F","year":"2006","edition":"2"},{"key":"bibr9-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-682X(98)00059-0"},{"key":"bibr10-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/0022-460X(91)90762-9"},{"key":"bibr11-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2017.07.024"},{"key":"bibr12-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.apacoust.2017.04.013"},{"key":"bibr13-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruct.2011.08.010"},{"key":"bibr14-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.apacoust.2015.08.021"},{"key":"bibr15-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2015.09.012"},{"key":"bibr16-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-41459-1_3"},{"key":"bibr17-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1121\/1.3546096"},{"key":"bibr18-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compositesb.2015.03.025"},{"key":"bibr19-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/j.compstruc.2014.09.009"},{"key":"bibr20-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-460X(02)01530-4"},{"key":"bibr21-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-460X(03)00106-8"},{"key":"bibr22-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1201\/b12409"},{"key":"bibr23-1077546320910542","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-94616-0_20"},{"issue":"9","key":"bibr24-1077546320910542","first-page":"14","volume":"38","author":"Subramanian S","year":"2004","journal-title":"Sound and Vibration"}],"container-title":["Journal of Vibration and Control"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1077546320910542","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1077546320910542","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1077546320910542","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T01:40:53Z","timestamp":1777686053000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1077546320910542"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,3,6]]},"references-count":24,"journal-issue":{"issue":"13-14","published-print":{"date-parts":[[2020,7]]}},"alternative-id":["10.1177\/1077546320910542"],"URL":"https:\/\/doi.org\/10.1177\/1077546320910542","relation":{},"ISSN":["1077-5463","1741-2986"],"issn-type":[{"value":"1077-5463","type":"print"},{"value":"1741-2986","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,3,6]]}}}