Reference-free damage detection, localization, and quantification in composites

Cited 9 time in webofscience Cited 15 time in scopus
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dc.contributor.authorLim, Hyung Jinko
dc.contributor.authorSohn, Hoonko
dc.contributor.authorYeum, Chul Minko
dc.contributor.authorKim, Ji Minko
dc.date.accessioned2013-08-08T01:50:41Z-
dc.date.available2013-08-08T01:50:41Z-
dc.date.created2013-07-24-
dc.date.created2013-07-24-
dc.date.created2013-07-24-
dc.date.issued2013-06-
dc.identifier.citationJOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, v.133, no.6, pp.3838 - 3845-
dc.identifier.issn0001-4966-
dc.identifier.urihttp://hdl.handle.net/10203/174123-
dc.description.abstractIn this study, a reference-free damage characterization technique is developed not only to identify but also to locate and quantify damage in composite structures subject to varying temperature conditions. First, damage is characterized in terms of a damage index (m-value) defined as the ratio of damage size to the wavelength of the A(0) mode within the damage. Then, a feasible solution space defining all possible combinations of the damage location and size are estimated without using any prior baseline data obtained from the pristine condition of a structure or different paths. When additional information such as the A(0) mode group velocity within the pristine region of the structure becomes available, the estimates for the damage location and size are updated with better accuracy. The uniqueness of this study lies in that damage localization and quantification as well as identification are all performed without comparing current Lamb wave signals with the ones obtained from the pristine condition of the target structure, making the proposed technique more attractive for online monitoring. Numerical and experimental tests are presented to demonstrate the effectiveness of the proposed damage detection technique under varying temperature. (C) 2013 Acoustical Society of America.-
dc.languageEnglish-
dc.publisherACOUSTICAL SOC AMER AMER INST PHYSICS-
dc.titleReference-free damage detection, localization, and quantification in composites-
dc.typeArticle-
dc.identifier.wosid000320173600027-
dc.identifier.scopusid2-s2.0-84878954574-
dc.type.rimsART-
dc.citation.volume133-
dc.citation.issue6-
dc.citation.beginningpage3838-
dc.citation.endingpage3845-
dc.citation.publicationnameJOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA-
dc.identifier.doi10.1121/1.4802744-
dc.contributor.localauthorSohn, Hoon-
dc.contributor.nonIdAuthorLim, Hyung Jin-
dc.contributor.nonIdAuthorYeum, Chul Min-
dc.contributor.nonIdAuthorKim, Ji Min-
dc.type.journalArticleArticle-
dc.subject.keywordPlusLAMB WAVES-
dc.subject.keywordPlusDELAMINATION DETECTION-
dc.subject.keywordPlusINSPECTION-
dc.subject.keywordPlusPLATE-
dc.subject.keywordPlusPROPAGATION-
dc.subject.keywordPlusBEAMS-
dc.subject.keywordPlusPULSE-
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