Top hat stiffeners: A study on keel failures
The need to assess the structural capability of curved marine composite structures that support the keel of high performance yachts has increased due to the rise in the number of accidents and human casualties. The top hat stiffener is the basic structural member of the yacht to sustain the tensile...
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| Veröffentlicht in: | Ocean engineering 2010-09, Vol.37 (13), p.1180-1192 |
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| container_title | Ocean engineering |
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| creator | Raju Prusty, B.G. Kelly, D.W. Lyons, D. Peng, G.D. |
| description | The need to assess the structural capability of curved marine composite structures that support the keel of high performance yachts has increased due to the rise in the number of accidents and human casualties. The top hat stiffener is the basic structural member of the yacht to sustain the tensile and bending load of the keel. This paper characterises the mechanical strength of E-glass/vinylester composite top hat stiffeners subjected to transverse loading. The out-of-plane load transfer was studied and failure modes were identified for the three different composite layups which were tested to failure. Experimental results obtained from mechanical testing were compared with FEA predictions, based on the quadratic interlaminar stress criterion. Secondary reserve strength from the unidirectional fibres was identified and the potential to use this secondary strength was further investigated. |
| doi_str_mv | 10.1016/j.oceaneng.2010.05.008 |
| format | Article |
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The top hat stiffener is the basic structural member of the yacht to sustain the tensile and bending load of the keel. This paper characterises the mechanical strength of E-glass/vinylester composite top hat stiffeners subjected to transverse loading. The out-of-plane load transfer was studied and failure modes were identified for the three different composite layups which were tested to failure. Experimental results obtained from mechanical testing were compared with FEA predictions, based on the quadratic interlaminar stress criterion. Secondary reserve strength from the unidirectional fibres was identified and the potential to use this secondary strength was further investigated.</description><identifier>ISSN: 0029-8018</identifier><identifier>EISSN: 1873-5258</identifier><identifier>DOI: 10.1016/j.oceaneng.2010.05.008</identifier><identifier>CODEN: OCENBQ</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Acoustic emission ; Applied sciences ; Buildings. Public works ; Composite failure ; Curved composite ; Delamination ; Exact sciences and technology ; Failure ; Finite element analysis ; Glass fiber reinforced plastics ; Ground, air and sea transportation, marine construction ; Hydraulic constructions ; Interlaminar strength ; Interlaminar stress ; Keel failure ; Keels ; Marine ; Marine construction ; Offshore structure (platforms, tanks, etc.) ; Out-of-plane load ; Reserves ; Stiffeners ; Strength ; Vinyl ester resins ; Yachts</subject><ispartof>Ocean engineering, 2010-09, Vol.37 (13), p.1180-1192</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-1aab147752a975353f52b7a29e05797de1d50806ede824b2b18f003de069d7b43</citedby><cites>FETCH-LOGICAL-c407t-1aab147752a975353f52b7a29e05797de1d50806ede824b2b18f003de069d7b43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0029801810001319$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23199376$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Raju</creatorcontrib><creatorcontrib>Prusty, B.G.</creatorcontrib><creatorcontrib>Kelly, D.W.</creatorcontrib><creatorcontrib>Lyons, D.</creatorcontrib><creatorcontrib>Peng, G.D.</creatorcontrib><title>Top hat stiffeners: A study on keel failures</title><title>Ocean engineering</title><description>The need to assess the structural capability of curved marine composite structures that support the keel of high performance yachts has increased due to the rise in the number of accidents and human casualties. The top hat stiffener is the basic structural member of the yacht to sustain the tensile and bending load of the keel. This paper characterises the mechanical strength of E-glass/vinylester composite top hat stiffeners subjected to transverse loading. The out-of-plane load transfer was studied and failure modes were identified for the three different composite layups which were tested to failure. Experimental results obtained from mechanical testing were compared with FEA predictions, based on the quadratic interlaminar stress criterion. Secondary reserve strength from the unidirectional fibres was identified and the potential to use this secondary strength was further investigated.</description><subject>Acoustic emission</subject><subject>Applied sciences</subject><subject>Buildings. Public works</subject><subject>Composite failure</subject><subject>Curved composite</subject><subject>Delamination</subject><subject>Exact sciences and technology</subject><subject>Failure</subject><subject>Finite element analysis</subject><subject>Glass fiber reinforced plastics</subject><subject>Ground, air and sea transportation, marine construction</subject><subject>Hydraulic constructions</subject><subject>Interlaminar strength</subject><subject>Interlaminar stress</subject><subject>Keel failure</subject><subject>Keels</subject><subject>Marine</subject><subject>Marine construction</subject><subject>Offshore structure (platforms, tanks, etc.)</subject><subject>Out-of-plane load</subject><subject>Reserves</subject><subject>Stiffeners</subject><subject>Strength</subject><subject>Vinyl ester resins</subject><subject>Yachts</subject><issn>0029-8018</issn><issn>1873-5258</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkE1PwzAMhiMEEmPwF1AvCA60OOnSpJyYJr6kSVzGOUpTBzK6diQt0v49mTY4wsmy9djW-xByTiGjQIubZdYZ1C22bxmDOASeAcgDMqJS5ClnXB6SEQArUwlUHpOTEJYAUBSQj8j1olsn77pPQu-sxRZ9uE2msRvqTdK1yQdik1jtmsFjOCVHVjcBz_Z1TF4f7hezp3T-8vg8m85TMwHRp1Trik6E4EyXguc8t5xVQrMSgYtS1EhrDhIKrFGyScUqKi1AXiMUZS2qST4ml7u7a999Dhh6tXLBYNPElN0QlJCCAgdeRvLqT5KKglHKZMw6JsUONb4LwaNVa-9W2m8UBbUVqZbqR6TailTAVRQZFy_2P3QwurFet8aF322W07LMRRG5ux2HUc2XQ6-CcdgarJ1H06u6c_-9-gYIuImQ</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>Raju</creator><creator>Prusty, B.G.</creator><creator>Kelly, D.W.</creator><creator>Lyons, D.</creator><creator>Peng, G.D.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><scope>7T2</scope><scope>7TN</scope><scope>7U2</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20100901</creationdate><title>Top hat stiffeners: A study on keel failures</title><author>Raju ; Prusty, B.G. ; Kelly, D.W. ; Lyons, D. ; Peng, G.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-1aab147752a975353f52b7a29e05797de1d50806ede824b2b18f003de069d7b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Acoustic emission</topic><topic>Applied sciences</topic><topic>Buildings. 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| identifier | ISSN: 0029-8018 |
| ispartof | Ocean engineering, 2010-09, Vol.37 (13), p.1180-1192 |
| issn | 0029-8018 1873-5258 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Acoustic emission Applied sciences Buildings. Public works Composite failure Curved composite Delamination Exact sciences and technology Failure Finite element analysis Glass fiber reinforced plastics Ground, air and sea transportation, marine construction Hydraulic constructions Interlaminar strength Interlaminar stress Keel failure Keels Marine Marine construction Offshore structure (platforms, tanks, etc.) Out-of-plane load Reserves Stiffeners Strength Vinyl ester resins Yachts |
| title | Top hat stiffeners: A study on keel failures |
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