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Fracture analysis and improved design for a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties
The mechanical model was established for the anti-plane interfacial fracture problem of a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties. The system of Cauchy singular integral equations for the interfacial crack was derived by Fourier integral tr...
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Published in: | Engineering fracture mechanics 2008-07, Vol.75 (10), p.3161-3172 |
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container_title | Engineering fracture mechanics |
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creator | Li, Yong-Dong Lee, Kang Yong |
description | The mechanical model was established for the anti-plane interfacial fracture problem of a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties. The system of Cauchy singular integral equations for the interfacial crack was derived by Fourier integral transform. The numerical solutions of the Cauchy singular integral equations were obtained by the Lobatto–Chebyshev collocation method put up by Erdogan and Gupta. The mechanical strain energy release rate and the total energy release rate were chosen as fracture parameters to discuss the effect of the non-homogeneity parameter on the extension force of the crack. A conclusion was drawn that, to reduce the weak-discontinuity of the interface in the magnetoelectroelastic structure would be beneficial to decrease the extension force of the interfacial crack. Based on this conclusion, a new improved design was suggested for the symmetrically bonded linearly non-homogeneous magnetoelectroelastic composite. The enhancement of the capability of the improved structure to resist interfacial fracture was validated by comparison between the improved and unimproved structures for their fracture responses. |
doi_str_mv | 10.1016/j.engfracmech.2007.12.005 |
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The system of Cauchy singular integral equations for the interfacial crack was derived by Fourier integral transform. The numerical solutions of the Cauchy singular integral equations were obtained by the Lobatto–Chebyshev collocation method put up by Erdogan and Gupta. The mechanical strain energy release rate and the total energy release rate were chosen as fracture parameters to discuss the effect of the non-homogeneity parameter on the extension force of the crack. A conclusion was drawn that, to reduce the weak-discontinuity of the interface in the magnetoelectroelastic structure would be beneficial to decrease the extension force of the interfacial crack. Based on this conclusion, a new improved design was suggested for the symmetrically bonded linearly non-homogeneous magnetoelectroelastic composite. 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The enhancement of the capability of the improved structure to resist interfacial fracture was validated by comparison between the improved and unimproved structures for their fracture responses.</description><subject>Exact sciences and technology</subject><subject>Fracture mechanics (crack, fatigue, damage...)</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Magnetoelectroelastic material</subject><subject>Non-homogeneity</subject><subject>Physics</subject><subject>Smart structure</subject><subject>Solid mechanics</subject><subject>Static elasticity (thermoelasticity...)</subject><subject>Structural and continuum mechanics</subject><subject>Weak-discontinuity</subject><issn>0013-7944</issn><issn>1873-7315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNkc-O0zAQxi0EEmXhHcwBbgn-kzjJEVXsgrQSFzhbrjNuXSV28biL-hS8MrN0hThymjn85vtm5mPsrRStFNJ8OLaQ9qE4v4I_tEqIoZWqFaJ_xjZyHHQzaNk_ZxshJPVT171krxCPgkAzig37dUuz9VyAu-SWC0akZuZxPZX8ADOfAeM-8ZALdxwv6wq1RO-W5cJ3Oc1E4OpK5VjL-arzM9YDX2ICVwhKOTWHvOY9JMhn5KvbJ6gZFvC1UHFYo-dkdoJSI-Br9iK4BeHNU71h328_fdt-bu6_3n3ZfrxvvB5VbUB1o9POh243jOD7yYh-7iepTddPQQW_U7OWwoidg05MvdNgXJjdaCYT5AT6hr2_6pL1jzNgtWtED8vi_uxptRqVNkYROF1BXzJigWBPJdLJFyuFfYzAHu0_EdjHCKxUliKg2XdPJg7pZ8QkH_GvgBKaoEEQt71yQBc_RCgWfYTkYY6F_mTnHP_D7Tfv_qfn</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Li, Yong-Dong</creator><creator>Lee, Kang Yong</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20080701</creationdate><title>Fracture analysis and improved design for a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties</title><author>Li, Yong-Dong ; Lee, Kang Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-e248a3acf4b78ec59605d59136459f2fcb2d31060bae4095a3e6afda8696f19e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Exact sciences and technology</topic><topic>Fracture mechanics (crack, fatigue, damage...)</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Magnetoelectroelastic material</topic><topic>Non-homogeneity</topic><topic>Physics</topic><topic>Smart structure</topic><topic>Solid mechanics</topic><topic>Static elasticity (thermoelasticity...)</topic><topic>Structural and continuum mechanics</topic><topic>Weak-discontinuity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Yong-Dong</creatorcontrib><creatorcontrib>Lee, Kang Yong</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Engineering fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Yong-Dong</au><au>Lee, Kang Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fracture analysis and improved design for a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties</atitle><jtitle>Engineering fracture mechanics</jtitle><date>2008-07-01</date><risdate>2008</risdate><volume>75</volume><issue>10</issue><spage>3161</spage><epage>3172</epage><pages>3161-3172</pages><issn>0013-7944</issn><eissn>1873-7315</eissn><coden>EFMEAH</coden><abstract>The mechanical model was established for the anti-plane interfacial fracture problem of a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties. 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The enhancement of the capability of the improved structure to resist interfacial fracture was validated by comparison between the improved and unimproved structures for their fracture responses.</abstract><cop>Tarrytown, NY</cop><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engfracmech.2007.12.005</doi><tpages>12</tpages></addata></record> |
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source | ScienceDirect Journals |
subjects | Exact sciences and technology Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Magnetoelectroelastic material Non-homogeneity Physics Smart structure Solid mechanics Static elasticity (thermoelasticity...) Structural and continuum mechanics Weak-discontinuity |
title | Fracture analysis and improved design for a symmetrically bonded smart structure with linearly non-homogeneous magnetoelectroelastic properties |
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