Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions
This paper investigates the influence of crack geometry, crack-face and loading conditions, and the permittivity of a medium inside the crack gap on intensity factors of planar and non-planar cracks in linear piezoelectric media. A weakly singular boundary integral equation method together with the...
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| Veröffentlicht in: | Frontiers of Structural and Civil Engineering 2020-04, Vol.14 (2), p.280-298 |
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| creator | RUNGAMORNRAT, Jaroon CHANSAVANG, Bounsana PHONGTINNABOOT, Weeraporn VAN, Chung Nguyen |
| description | This paper investigates the influence of crack geometry, crack-face and loading conditions, and the permittivity of a medium inside the crack gap on intensity factors of planar and non-planar cracks in linear piezoelectric media. A weakly singular boundary integral equation method together with the near-front approximation is adopted to accurately determine the intensity factors. Obtained results indicate that the non-flat crack surface, the electric field, and the permittivity of a medium inside the crack gap play a crucial role on the behavior of intensity factors. The mode-I stress intensity factors ( K I ) for two representative non-planar cracks under different crack-face conditions are found significantly different and they possess both upper and lower bounds. In addition, K I for impermeable and semi-permeable non-planar cracks treated depends strongly on the electric field whereas those of impermeable, permeable, and semi-permeable penny-shaped cracks are identical and independent of the electric field. The stress/electric intensity factors predicted by permeable and energetically consistent models are, respectively, independent of and dependent on the electric field for the penny-shaped crack and the two representative non-planar cracks. Also, the permittivity of a medium inside the crack gap strongly affects the intensity factors for all crack configurations considered except for K I of the semi-permeable penny-shaped crack. |
| doi_str_mv | 10.1007/s11709-019-0586-7 |
| format | Article |
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A weakly singular boundary integral equation method together with the near-front approximation is adopted to accurately determine the intensity factors. Obtained results indicate that the non-flat crack surface, the electric field, and the permittivity of a medium inside the crack gap play a crucial role on the behavior of intensity factors. The mode-I stress intensity factors ( K I ) for two representative non-planar cracks under different crack-face conditions are found significantly different and they possess both upper and lower bounds. In addition, K I for impermeable and semi-permeable non-planar cracks treated depends strongly on the electric field whereas those of impermeable, permeable, and semi-permeable penny-shaped cracks are identical and independent of the electric field. The stress/electric intensity factors predicted by permeable and energetically consistent models are, respectively, independent of and dependent on the electric field for the penny-shaped crack and the two representative non-planar cracks. Also, the permittivity of a medium inside the crack gap strongly affects the intensity factors for all crack configurations considered except for K I of the semi-permeable penny-shaped crack.</description><identifier>ISSN: 2095-2430</identifier><identifier>EISSN: 2095-2449</identifier><identifier>DOI: 10.1007/s11709-019-0586-7</identifier><language>eng</language><publisher>Beijing: Higher Education Press</publisher><subject>Boundary element method ; Boundary integral method ; Cities ; Civil Engineering ; Countries ; Crack geometry ; crack-face conditions ; Cracks ; Electric fields ; Engineering ; Integral equations ; intensity factors ; Lower bounds ; non-flat cracks ; Permeability ; Permittivity ; piezoelectric media ; Piezoelectricity ; Regions ; Research Article ; SGBEM ; Stress intensity factors</subject><ispartof>Frontiers of Structural and Civil Engineering, 2020-04, Vol.14 (2), p.280-298</ispartof><rights>Copyright reserved, 2019, Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature</rights><rights>Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-945d8ca3d9cf4e9a3e171a3612828bf1a6521a17e25cdd3d3c244c6f4811f2143</citedby><cites>FETCH-LOGICAL-c365t-945d8ca3d9cf4e9a3e171a3612828bf1a6521a17e25cdd3d3c244c6f4811f2143</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11709-019-0586-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11709-019-0586-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>RUNGAMORNRAT, Jaroon</creatorcontrib><creatorcontrib>CHANSAVANG, Bounsana</creatorcontrib><creatorcontrib>PHONGTINNABOOT, Weeraporn</creatorcontrib><creatorcontrib>VAN, Chung Nguyen</creatorcontrib><title>Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions</title><title>Frontiers of Structural and Civil Engineering</title><addtitle>Front. Struct. Civ. Eng</addtitle><description>This paper investigates the influence of crack geometry, crack-face and loading conditions, and the permittivity of a medium inside the crack gap on intensity factors of planar and non-planar cracks in linear piezoelectric media. A weakly singular boundary integral equation method together with the near-front approximation is adopted to accurately determine the intensity factors. Obtained results indicate that the non-flat crack surface, the electric field, and the permittivity of a medium inside the crack gap play a crucial role on the behavior of intensity factors. The mode-I stress intensity factors ( K I ) for two representative non-planar cracks under different crack-face conditions are found significantly different and they possess both upper and lower bounds. In addition, K I for impermeable and semi-permeable non-planar cracks treated depends strongly on the electric field whereas those of impermeable, permeable, and semi-permeable penny-shaped cracks are identical and independent of the electric field. The stress/electric intensity factors predicted by permeable and energetically consistent models are, respectively, independent of and dependent on the electric field for the penny-shaped crack and the two representative non-planar cracks. Also, the permittivity of a medium inside the crack gap strongly affects the intensity factors for all crack configurations considered except for K I of the semi-permeable penny-shaped crack.</description><subject>Boundary element method</subject><subject>Boundary integral method</subject><subject>Cities</subject><subject>Civil Engineering</subject><subject>Countries</subject><subject>Crack geometry</subject><subject>crack-face conditions</subject><subject>Cracks</subject><subject>Electric fields</subject><subject>Engineering</subject><subject>Integral equations</subject><subject>intensity factors</subject><subject>Lower bounds</subject><subject>non-flat cracks</subject><subject>Permeability</subject><subject>Permittivity</subject><subject>piezoelectric media</subject><subject>Piezoelectricity</subject><subject>Regions</subject><subject>Research Article</subject><subject>SGBEM</subject><subject>Stress intensity factors</subject><issn>2095-2430</issn><issn>2095-2449</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxRdRsNR-AG8Bz6uZZP8epdpaEDyo5xCTSZvaJjXZLdhPb8qK3noYZhje7w3zsuwa6C1QWt9FgJq2OYVUZVPl9Vk2YrQtc1YU7fnfzOllNolxTSkFWnPa8FFmF26PsbNL2VnviDdkjg6D3NgDavK6mMXjTgWpPiOxjvAHsrN48LhB1QWryBa1laR3GgPZy2B9Hwd5bqRCorzT9mgdr7ILIzcRJ799nL3PHt-mT_nzy3wxvX_OFa_KLm-LUjdKct0qU2ArOUINklfAGtZ8GJBVyUBCjaxUWnPNVXpSVaZoAAyDgo-zm8F3F_xXn34Ta98Hl04KVqSIOOU1JBUMKhV8jAGN2AW7leFbABXHUMUQqkiEOIYq6sSwgYlJ65YY_p1PQc0ArexyhQH1LmCMwgTvOovhFPoDDJWL0A</recordid><startdate>20200401</startdate><enddate>20200401</enddate><creator>RUNGAMORNRAT, Jaroon</creator><creator>CHANSAVANG, Bounsana</creator><creator>PHONGTINNABOOT, Weeraporn</creator><creator>VAN, Chung Nguyen</creator><general>Higher Education Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200401</creationdate><title>Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions</title><author>RUNGAMORNRAT, Jaroon ; CHANSAVANG, Bounsana ; PHONGTINNABOOT, Weeraporn ; VAN, Chung Nguyen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-945d8ca3d9cf4e9a3e171a3612828bf1a6521a17e25cdd3d3c244c6f4811f2143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Boundary element method</topic><topic>Boundary integral method</topic><topic>Cities</topic><topic>Civil Engineering</topic><topic>Countries</topic><topic>Crack geometry</topic><topic>crack-face conditions</topic><topic>Cracks</topic><topic>Electric fields</topic><topic>Engineering</topic><topic>Integral equations</topic><topic>intensity factors</topic><topic>Lower bounds</topic><topic>non-flat cracks</topic><topic>Permeability</topic><topic>Permittivity</topic><topic>piezoelectric media</topic><topic>Piezoelectricity</topic><topic>Regions</topic><topic>Research Article</topic><topic>SGBEM</topic><topic>Stress intensity factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>RUNGAMORNRAT, Jaroon</creatorcontrib><creatorcontrib>CHANSAVANG, Bounsana</creatorcontrib><creatorcontrib>PHONGTINNABOOT, Weeraporn</creatorcontrib><creatorcontrib>VAN, Chung Nguyen</creatorcontrib><collection>CrossRef</collection><jtitle>Frontiers of Structural and Civil Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>RUNGAMORNRAT, Jaroon</au><au>CHANSAVANG, Bounsana</au><au>PHONGTINNABOOT, Weeraporn</au><au>VAN, Chung Nguyen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions</atitle><jtitle>Frontiers of Structural and Civil Engineering</jtitle><stitle>Front. Struct. Civ. Eng</stitle><date>2020-04-01</date><risdate>2020</risdate><volume>14</volume><issue>2</issue><spage>280</spage><epage>298</epage><pages>280-298</pages><issn>2095-2430</issn><eissn>2095-2449</eissn><abstract>This paper investigates the influence of crack geometry, crack-face and loading conditions, and the permittivity of a medium inside the crack gap on intensity factors of planar and non-planar cracks in linear piezoelectric media. A weakly singular boundary integral equation method together with the near-front approximation is adopted to accurately determine the intensity factors. Obtained results indicate that the non-flat crack surface, the electric field, and the permittivity of a medium inside the crack gap play a crucial role on the behavior of intensity factors. The mode-I stress intensity factors ( K I ) for two representative non-planar cracks under different crack-face conditions are found significantly different and they possess both upper and lower bounds. In addition, K I for impermeable and semi-permeable non-planar cracks treated depends strongly on the electric field whereas those of impermeable, permeable, and semi-permeable penny-shaped cracks are identical and independent of the electric field. The stress/electric intensity factors predicted by permeable and energetically consistent models are, respectively, independent of and dependent on the electric field for the penny-shaped crack and the two representative non-planar cracks. Also, the permittivity of a medium inside the crack gap strongly affects the intensity factors for all crack configurations considered except for K I of the semi-permeable penny-shaped crack.</abstract><cop>Beijing</cop><pub>Higher Education Press</pub><doi>10.1007/s11709-019-0586-7</doi><tpages>19</tpages></addata></record> |
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| subjects | Boundary element method Boundary integral method Cities Civil Engineering Countries Crack geometry crack-face conditions Cracks Electric fields Engineering Integral equations intensity factors Lower bounds non-flat cracks Permeability Permittivity piezoelectric media Piezoelectricity Regions Research Article SGBEM Stress intensity factors |
| title | Investigation of Generalized SIFs of cracks in 3D piezoelectric media under various crack-face conditions |
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