Influence of modal characteristics of a partially debonded piezoelectric transducer in higher and subharmonic modes generated in Lamb wave
Summary Noncumulative higher and subharmonic Lamb wave modes generated as a result of partial de‐bonding of piezoelectric wafer transducers (PWT) is numerically investigated and experimentally validated. The influence of excitation frequency on the extent of nonlinear interaction as a result of part...
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Veröffentlicht in: | Structural control and health monitoring 2018-10, Vol.25 (10), p.n/a |
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creator | Guha, Anurup Bijudas, C. R. |
description | Summary
Noncumulative higher and subharmonic Lamb wave modes generated as a result of partial de‐bonding of piezoelectric wafer transducers (PWT) is numerically investigated and experimentally validated. The influence of excitation frequency on the extent of nonlinear interaction as a result of partially de‐bonded PWTs is discussed. A set of specific frequency ranges is arrived at based on the eigenvalue and harmonic analyses of PWTs used in this study. These are the frequency ranges in which resonant width direction modes of a square PWT or radial modes of a circular PWT are seen. In these frequency ranges, significantly high amplitudes of higher and subharmonics are observed. It is also seen that in these frequency ranges, subharmonic and higher harmonic amplitudes are dependent on de‐bond length and location. Signal processing is carried out using normalized fast Fourier transform for relative comparisons. |
doi_str_mv | 10.1002/stc.2239 |
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Noncumulative higher and subharmonic Lamb wave modes generated as a result of partial de‐bonding of piezoelectric wafer transducers (PWT) is numerically investigated and experimentally validated. The influence of excitation frequency on the extent of nonlinear interaction as a result of partially de‐bonded PWTs is discussed. A set of specific frequency ranges is arrived at based on the eigenvalue and harmonic analyses of PWTs used in this study. These are the frequency ranges in which resonant width direction modes of a square PWT or radial modes of a circular PWT are seen. In these frequency ranges, significantly high amplitudes of higher and subharmonics are observed. It is also seen that in these frequency ranges, subharmonic and higher harmonic amplitudes are dependent on de‐bond length and location. Signal processing is carried out using normalized fast Fourier transform for relative comparisons.</description><identifier>ISSN: 1545-2255</identifier><identifier>EISSN: 1545-2263</identifier><identifier>DOI: 10.1002/stc.2239</identifier><language>eng</language><publisher>Pavia: Wiley Subscription Services, Inc</publisher><subject>Amplitudes ; clapping mechanism ; contact acoustic nonlinearity (CAN) ; Data processing ; Eigenvalues ; Fast Fourier transformations ; Fourier transforms ; Frequency ranges ; higher harmonic ; Information processing ; internodal distance ; lamb wave ; Lamb waves ; Piezoelectricity ; Signal processing ; subharmonic ; Transducers</subject><ispartof>Structural control and health monitoring, 2018-10, Vol.25 (10), p.n/a</ispartof><rights>2018 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2949-949d8f56486a978f084490ce28f1de8f736ecf371fd80387bf17b9a7f7dd3f7a3</citedby><orcidid>0000-0002-2184-2202</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fstc.2239$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fstc.2239$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,778,782,1414,27911,27912,45561,45562</link.rule.ids></links><search><creatorcontrib>Guha, Anurup</creatorcontrib><creatorcontrib>Bijudas, C. R.</creatorcontrib><title>Influence of modal characteristics of a partially debonded piezoelectric transducer in higher and subharmonic modes generated in Lamb wave</title><title>Structural control and health monitoring</title><description>Summary
Noncumulative higher and subharmonic Lamb wave modes generated as a result of partial de‐bonding of piezoelectric wafer transducers (PWT) is numerically investigated and experimentally validated. The influence of excitation frequency on the extent of nonlinear interaction as a result of partially de‐bonded PWTs is discussed. A set of specific frequency ranges is arrived at based on the eigenvalue and harmonic analyses of PWTs used in this study. These are the frequency ranges in which resonant width direction modes of a square PWT or radial modes of a circular PWT are seen. In these frequency ranges, significantly high amplitudes of higher and subharmonics are observed. It is also seen that in these frequency ranges, subharmonic and higher harmonic amplitudes are dependent on de‐bond length and location. Signal processing is carried out using normalized fast Fourier transform for relative comparisons.</description><subject>Amplitudes</subject><subject>clapping mechanism</subject><subject>contact acoustic nonlinearity (CAN)</subject><subject>Data processing</subject><subject>Eigenvalues</subject><subject>Fast Fourier transformations</subject><subject>Fourier transforms</subject><subject>Frequency ranges</subject><subject>higher harmonic</subject><subject>Information processing</subject><subject>internodal distance</subject><subject>lamb wave</subject><subject>Lamb waves</subject><subject>Piezoelectricity</subject><subject>Signal processing</subject><subject>subharmonic</subject><subject>Transducers</subject><issn>1545-2255</issn><issn>1545-2263</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kF9LwzAUxYsoOKfgRwj43Jmkf5I-yvDPYOCD87ncJjdbRpvWpHXMj-CnNkPx4XIO3B_nwEmSW0YXjFJ-H0a14DyrzpIZK_Ii5bzMzv99UVwmVyHsI1lyWcyS75Uz7YROIekN6XoNLVE78KBG9DaMVoXTA8gAfrTQtkeisemdRk0Gi189tqhGbxUZPbigJ4WeWEd2druLDpwmYWpiYNe7CMUCDGSLDj2MMSKSa-gacoBPvE4uDLQBb_50nrw_PW6WL-n69Xm1fFinild5lcbT0hRlLkuohDRU5nlFFXJpmEZpRFaiMplgRkuaSdEYJpoKhBFaZ0ZANk_ufnMH339MGMZ630_excqaxwmZ4LSoIpX-Ugfb4rEevO3AH2tG69PMdZy5Ps1cv22WJ81-AP7tdGU</recordid><startdate>201810</startdate><enddate>201810</enddate><creator>Guha, Anurup</creator><creator>Bijudas, C. R.</creator><general>Wiley Subscription Services, Inc</general><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-2184-2202</orcidid></search><sort><creationdate>201810</creationdate><title>Influence of modal characteristics of a partially debonded piezoelectric transducer in higher and subharmonic modes generated in Lamb wave</title><author>Guha, Anurup ; Bijudas, C. R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2949-949d8f56486a978f084490ce28f1de8f736ecf371fd80387bf17b9a7f7dd3f7a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Amplitudes</topic><topic>clapping mechanism</topic><topic>contact acoustic nonlinearity (CAN)</topic><topic>Data processing</topic><topic>Eigenvalues</topic><topic>Fast Fourier transformations</topic><topic>Fourier transforms</topic><topic>Frequency ranges</topic><topic>higher harmonic</topic><topic>Information processing</topic><topic>internodal distance</topic><topic>lamb wave</topic><topic>Lamb waves</topic><topic>Piezoelectricity</topic><topic>Signal processing</topic><topic>subharmonic</topic><topic>Transducers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guha, Anurup</creatorcontrib><creatorcontrib>Bijudas, C. R.</creatorcontrib><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Structural control and health monitoring</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guha, Anurup</au><au>Bijudas, C. R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of modal characteristics of a partially debonded piezoelectric transducer in higher and subharmonic modes generated in Lamb wave</atitle><jtitle>Structural control and health monitoring</jtitle><date>2018-10</date><risdate>2018</risdate><volume>25</volume><issue>10</issue><epage>n/a</epage><issn>1545-2255</issn><eissn>1545-2263</eissn><abstract>Summary
Noncumulative higher and subharmonic Lamb wave modes generated as a result of partial de‐bonding of piezoelectric wafer transducers (PWT) is numerically investigated and experimentally validated. The influence of excitation frequency on the extent of nonlinear interaction as a result of partially de‐bonded PWTs is discussed. A set of specific frequency ranges is arrived at based on the eigenvalue and harmonic analyses of PWTs used in this study. These are the frequency ranges in which resonant width direction modes of a square PWT or radial modes of a circular PWT are seen. In these frequency ranges, significantly high amplitudes of higher and subharmonics are observed. It is also seen that in these frequency ranges, subharmonic and higher harmonic amplitudes are dependent on de‐bond length and location. Signal processing is carried out using normalized fast Fourier transform for relative comparisons.</abstract><cop>Pavia</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/stc.2239</doi><tpages>23</tpages><orcidid>https://orcid.org/0000-0002-2184-2202</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Amplitudes clapping mechanism contact acoustic nonlinearity (CAN) Data processing Eigenvalues Fast Fourier transformations Fourier transforms Frequency ranges higher harmonic Information processing internodal distance lamb wave Lamb waves Piezoelectricity Signal processing subharmonic Transducers |
title | Influence of modal characteristics of a partially debonded piezoelectric transducer in higher and subharmonic modes generated in Lamb wave |
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