An Automated Procedure for Determining Crack Opening Level from Differential Displacement Signal Data

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dc.contributor.authorc.y.kimko
dc.contributor.authorSong, Ji Hoko
dc.date.accessioned2013-02-25T11:02:37Z-
dc.date.available2013-02-25T11:02:37Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1993-
dc.identifier.citationINTERNATIONAL JOURNAL OF FATIGUE, v.15, no.4, pp.301 - 309-
dc.identifier.issn0142-1123-
dc.identifier.urihttp://hdl.handle.net/10203/61691-
dc.description.abstractThe crack opening point is commonly measured from load-displacement records or load-differential displacement records. In this study, an automated method is developed to determine the crack opening point from differential displacement signal curves. To improve measurement precision, a noise reduction method using a digital low-pass filter was employed. In order to assess the measurement accuracy and precision of the proposed method, computer simulation was extensively performed, generating differential displacement signals of various SIN ratios. The measured results of crack opening points for these simulated signals show good accuracy and precision. The proposed method was applied in practice to constant-amplitude loading, and two kinds of random loading: narrow- and wide-band random loading. As a result, the method is found to be very effective even for random loadings.-
dc.languageEnglish-
dc.publisherElsevier Sci Ltd-
dc.titleAn Automated Procedure for Determining Crack Opening Level from Differential Displacement Signal Data-
dc.typeArticle-
dc.identifier.wosidA1993LM65500006-
dc.identifier.scopusid2-s2.0-0039830858-
dc.type.rimsART-
dc.citation.volume15-
dc.citation.issue4-
dc.citation.beginningpage301-
dc.citation.endingpage309-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF FATIGUE-
dc.contributor.localauthorSong, Ji Ho-
dc.contributor.nonIdAuthorc.y.kim-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorFATIGUE-
dc.subject.keywordAuthorFATIGUE CRACK CLOSURE-
dc.subject.keywordAuthorCRACK OPENING POINT-
dc.subject.keywordAuthorAUTOMATIC MEASUREMENT-
dc.subject.keywordAuthorNOISE REDUCTION-
dc.subject.keywordAuthorDIFFERENTIAL DISPLACEMENT SIGNAL-
dc.subject.keywordAuthorRANDOM LOADING-
dc.subject.keywordAuthorCOMPUTER SIMULATION-
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