Novel Structural Damage Indices: Vibration Transmissibility and its Curvatures
A new definition of vibration transmissibility, “the ratio of FRFs (Frequency Response Functions)”, is proposed to provide novel structural damage indices, i.e., vibration transmissibility and its real and complex curvatures. Using the FRF and its real and complex curvatures as references, the funda...
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| Veröffentlicht in: | Key engineering materials 2006-01, Vol.324-325, p.343-346 |
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| creator | Qiao, Pi Zhong Ren, Qing Wen Cao, Mao Sen |
| description | A new definition of vibration transmissibility, “the ratio of FRFs (Frequency Response
Functions)”, is proposed to provide novel structural damage indices, i.e., vibration transmissibility
and its real and complex curvatures. Using the FRF and its real and complex curvatures as references,
the fundamental studies on performance of damage indices to reflect structural low-level damages are
conducted using vibration-based nondestructive evaluation of a frame structure. The experimental
results demonstrate that the sensitivity of the damage indices increases in the order of vibration
transmissibility or FRF, and its real and complex curvatures. While the vibration transmissibility and
its real and complex curvatures possess higher damage sensitivity than the FRF counterparts. The
proposed novel damage indices are promising to develop viable and advanced structural
nondestructive evaluation techniques. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.324-325.343 |
| format | Article |
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Functions)”, is proposed to provide novel structural damage indices, i.e., vibration transmissibility
and its real and complex curvatures. Using the FRF and its real and complex curvatures as references,
the fundamental studies on performance of damage indices to reflect structural low-level damages are
conducted using vibration-based nondestructive evaluation of a frame structure. The experimental
results demonstrate that the sensitivity of the damage indices increases in the order of vibration
transmissibility or FRF, and its real and complex curvatures. While the vibration transmissibility and
its real and complex curvatures possess higher damage sensitivity than the FRF counterparts. The
proposed novel damage indices are promising to develop viable and advanced structural
nondestructive evaluation techniques.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.324-325.343</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Key engineering materials, 2006-01, Vol.324-325, p.343-346</ispartof><rights>2006 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c301t-5bfe9b952121e3f3589563fc2d197e6cb739d43fbd3a8730e5921614ef507a5d3</citedby><cites>FETCH-LOGICAL-c301t-5bfe9b952121e3f3589563fc2d197e6cb739d43fbd3a8730e5921614ef507a5d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/43?width=600</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Qiao, Pi Zhong</creatorcontrib><creatorcontrib>Ren, Qing Wen</creatorcontrib><creatorcontrib>Cao, Mao Sen</creatorcontrib><title>Novel Structural Damage Indices: Vibration Transmissibility and its Curvatures</title><title>Key engineering materials</title><description>A new definition of vibration transmissibility, “the ratio of FRFs (Frequency Response
Functions)”, is proposed to provide novel structural damage indices, i.e., vibration transmissibility
and its real and complex curvatures. Using the FRF and its real and complex curvatures as references,
the fundamental studies on performance of damage indices to reflect structural low-level damages are
conducted using vibration-based nondestructive evaluation of a frame structure. The experimental
results demonstrate that the sensitivity of the damage indices increases in the order of vibration
transmissibility or FRF, and its real and complex curvatures. While the vibration transmissibility and
its real and complex curvatures possess higher damage sensitivity than the FRF counterparts. The
proposed novel damage indices are promising to develop viable and advanced structural
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Functions)”, is proposed to provide novel structural damage indices, i.e., vibration transmissibility
and its real and complex curvatures. Using the FRF and its real and complex curvatures as references,
the fundamental studies on performance of damage indices to reflect structural low-level damages are
conducted using vibration-based nondestructive evaluation of a frame structure. The experimental
results demonstrate that the sensitivity of the damage indices increases in the order of vibration
transmissibility or FRF, and its real and complex curvatures. While the vibration transmissibility and
its real and complex curvatures possess higher damage sensitivity than the FRF counterparts. The
proposed novel damage indices are promising to develop viable and advanced structural
nondestructive evaluation techniques.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.324-325.343</doi><tpages>4</tpages></addata></record> |
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| title | Novel Structural Damage Indices: Vibration Transmissibility and its Curvatures |
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