Numerical Analysis of Asymmetrically Bonded Composite Patch Repair and Effect of In-Plane Skewed Crack Front on the SIF
A nonlinear 3-D finite element analysis was conducted to analyze the crack front behavior of a center cracked aluminum plate, asymmetrically repaired with composite patch. According to experimental observations, the crack front was modeled as an inclined shape from the initial state where the crack...
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| Veröffentlicht in: | International journal of engineering research in Africa (Print) 2017-05, Vol.30, p.11-22 |
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| container_title | International journal of engineering research in Africa (Print) |
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| creator | Ali, Benhamena Abdelghani, Baltach Djebli, Abdelkader Abdelkarim, Aid Belabbess, Bachir Bouiedjra |
| description | A nonlinear 3-D finite element analysis was conducted to analyze the crack front behavior of a center cracked aluminum plate, asymmetrically repaired with composite patch. According to experimental observations, the crack front was modeled as an inclined shape from the initial state where the crack front is straight and parallel to the thickness direction from the patched side toward the un-patched side. The skew degree is found to strongly influence the stress intensity factor (SIF) distribution along the crack front. In effect, the obtained trends of the SIF’s distribution are different and changes during crack growth stages. The main finding is that regardless the crack front shape (inclination), the average stress intensity factor through the crack front remains constant and consequently, it means to be an effective parameter to estimate the fatigue life and crack growth of the asymmetrically patched structures. The performed models gave good results compared to the literature and the different findings correlate well with the experimental observations and make sense with a realistic crack development. |
| doi_str_mv | 10.4028/www.scientific.net/JERA.30.11 |
| format | Article |
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According to experimental observations, the crack front was modeled as an inclined shape from the initial state where the crack front is straight and parallel to the thickness direction from the patched side toward the un-patched side. The skew degree is found to strongly influence the stress intensity factor (SIF) distribution along the crack front. In effect, the obtained trends of the SIF’s distribution are different and changes during crack growth stages. The main finding is that regardless the crack front shape (inclination), the average stress intensity factor through the crack front remains constant and consequently, it means to be an effective parameter to estimate the fatigue life and crack growth of the asymmetrically patched structures. The performed models gave good results compared to the literature and the different findings correlate well with the experimental observations and make sense with a realistic crack development.</description><identifier>ISSN: 1663-3571</identifier><identifier>ISSN: 1663-4144</identifier><identifier>EISSN: 1663-4144</identifier><identifier>DOI: 10.4028/www.scientific.net/JERA.30.11</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Aluminum ; Asymmetry ; Crack propagation ; Fatigue failure ; Fatigue life ; Finite element method ; Inclination ; Mathematical models ; Metal plates ; Nonlinear analysis ; Numerical analysis ; Repair & maintenance ; Stress concentration ; Stress intensity factors</subject><ispartof>International journal of engineering research in Africa (Print), 2017-05, Vol.30, p.11-22</ispartof><rights>2017 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. May 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0001-9102-2202</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/4607?width=600</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Ali, Benhamena</creatorcontrib><creatorcontrib>Abdelghani, Baltach</creatorcontrib><creatorcontrib>Djebli, Abdelkader</creatorcontrib><creatorcontrib>Abdelkarim, Aid</creatorcontrib><creatorcontrib>Belabbess, Bachir Bouiedjra</creatorcontrib><title>Numerical Analysis of Asymmetrically Bonded Composite Patch Repair and Effect of In-Plane Skewed Crack Front on the SIF</title><title>International journal of engineering research in Africa (Print)</title><description>A nonlinear 3-D finite element analysis was conducted to analyze the crack front behavior of a center cracked aluminum plate, asymmetrically repaired with composite patch. According to experimental observations, the crack front was modeled as an inclined shape from the initial state where the crack front is straight and parallel to the thickness direction from the patched side toward the un-patched side. The skew degree is found to strongly influence the stress intensity factor (SIF) distribution along the crack front. In effect, the obtained trends of the SIF’s distribution are different and changes during crack growth stages. The main finding is that regardless the crack front shape (inclination), the average stress intensity factor through the crack front remains constant and consequently, it means to be an effective parameter to estimate the fatigue life and crack growth of the asymmetrically patched structures. The performed models gave good results compared to the literature and the different findings correlate well with the experimental observations and make sense with a realistic crack development.</description><subject>Aluminum</subject><subject>Asymmetry</subject><subject>Crack propagation</subject><subject>Fatigue failure</subject><subject>Fatigue life</subject><subject>Finite element method</subject><subject>Inclination</subject><subject>Mathematical models</subject><subject>Metal plates</subject><subject>Nonlinear analysis</subject><subject>Numerical analysis</subject><subject>Repair & maintenance</subject><subject>Stress concentration</subject><subject>Stress intensity factors</subject><issn>1663-3571</issn><issn>1663-4144</issn><issn>1663-4144</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkFtLw0AQhYMoWNT_sCA-Jt1bNsmDSC2tVoqKl-dlu5mlaZNN3d0S-u9NbUEffRhm4Jwzw3xRdENwwjHNh13XJV5XYENlKp1YCMOnydsoYTgh5CQaECFYzAnnp8eZpRk5j668X2GMaSEo5XgQdc_bBlylVY1GVtU7X3nUGjTyu6aB8CPUO3Tf2hJKNG6bTeurAOhVBb1Eb7BRlUPKlmhiDOiwj85s_ForC-h9Dd0-5JReo6lrbS9bFJa9MpteRmdG1R6ujv0i-pxOPsaP8fzlYTYezWNNCxbilBcs1UaUGdZpVooFqDTvK4MFpaXIGRQgMOQcCDAmFqbkgtA8MzRbKKKAXUTXh70b135twQe5areu_9RLUmCacpZy3LtuDy7tWu8dGLlxVaPcThIs97hlj1v-4pY9brnHLRmWhPT5u0M-OGV9AL38c-ZfG74BqziRWA</recordid><startdate>20170501</startdate><enddate>20170501</enddate><creator>Ali, Benhamena</creator><creator>Abdelghani, Baltach</creator><creator>Djebli, Abdelkader</creator><creator>Abdelkarim, Aid</creator><creator>Belabbess, Bachir Bouiedjra</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0001-9102-2202</orcidid></search><sort><creationdate>20170501</creationdate><title>Numerical Analysis of Asymmetrically Bonded Composite Patch Repair and Effect of In-Plane Skewed Crack Front on the SIF</title><author>Ali, Benhamena ; Abdelghani, Baltach ; Djebli, Abdelkader ; Abdelkarim, Aid ; Belabbess, Bachir Bouiedjra</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-54935cf6d70c57d6bea58ea57eb22d683e9e60e84e1e336bfd461287f27ba1ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aluminum</topic><topic>Asymmetry</topic><topic>Crack propagation</topic><topic>Fatigue failure</topic><topic>Fatigue life</topic><topic>Finite element method</topic><topic>Inclination</topic><topic>Mathematical models</topic><topic>Metal plates</topic><topic>Nonlinear analysis</topic><topic>Numerical analysis</topic><topic>Repair & maintenance</topic><topic>Stress concentration</topic><topic>Stress intensity factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ali, Benhamena</creatorcontrib><creatorcontrib>Abdelghani, Baltach</creatorcontrib><creatorcontrib>Djebli, Abdelkader</creatorcontrib><creatorcontrib>Abdelkarim, Aid</creatorcontrib><creatorcontrib>Belabbess, Bachir Bouiedjra</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Continental Europe Database</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>International journal of engineering research in Africa (Print)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ali, Benhamena</au><au>Abdelghani, Baltach</au><au>Djebli, Abdelkader</au><au>Abdelkarim, Aid</au><au>Belabbess, Bachir Bouiedjra</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical Analysis of Asymmetrically Bonded Composite Patch Repair and Effect of In-Plane Skewed Crack Front on the SIF</atitle><jtitle>International journal of engineering research in Africa (Print)</jtitle><date>2017-05-01</date><risdate>2017</risdate><volume>30</volume><spage>11</spage><epage>22</epage><pages>11-22</pages><issn>1663-3571</issn><issn>1663-4144</issn><eissn>1663-4144</eissn><abstract>A nonlinear 3-D finite element analysis was conducted to analyze the crack front behavior of a center cracked aluminum plate, asymmetrically repaired with composite patch. According to experimental observations, the crack front was modeled as an inclined shape from the initial state where the crack front is straight and parallel to the thickness direction from the patched side toward the un-patched side. The skew degree is found to strongly influence the stress intensity factor (SIF) distribution along the crack front. In effect, the obtained trends of the SIF’s distribution are different and changes during crack growth stages. The main finding is that regardless the crack front shape (inclination), the average stress intensity factor through the crack front remains constant and consequently, it means to be an effective parameter to estimate the fatigue life and crack growth of the asymmetrically patched structures. The performed models gave good results compared to the literature and the different findings correlate well with the experimental observations and make sense with a realistic crack development.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/JERA.30.11</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-9102-2202</orcidid></addata></record> |
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| subjects | Aluminum Asymmetry Crack propagation Fatigue failure Fatigue life Finite element method Inclination Mathematical models Metal plates Nonlinear analysis Numerical analysis Repair & maintenance Stress concentration Stress intensity factors |
| title | Numerical Analysis of Asymmetrically Bonded Composite Patch Repair and Effect of In-Plane Skewed Crack Front on the SIF |
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