Multi-Crack Interaction and Influence on the Spherical Pressure Hull for a Deep-Sea Manned Submersible
This study investigates the interaction and influence of surface cracks on the spherical pressure hull of a deep-sea manned submersible. The finite element model of the spherical hull is established, and a semi-elliptical surface crack is inserted in the welding toe of the spherical hull as the main...
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| Veröffentlicht in: | Journal of marine science and application 2021-09, Vol.20 (3), p.491-503 |
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| creator | Li, Rujun Zhu, Yongmei Fang, Wenjing Yin, Baoji |
| description | This study investigates the interaction and influence of surface cracks on the spherical pressure hull of a deep-sea manned submersible. The finite element model of the spherical hull is established, and a semi-elliptical surface crack is inserted in the welding toe of the spherical hull as the main crack. Considering the combined effect of external uniform pressure and welding residual stress at the weld toe, the stress intensity factor (SIF) is obtained based on the M-integral method. Inserting disturbing cracks at different positions on the spherical hull surface, the interaction and influence between multi-cracks are revealed by numerical calculation. The results show that the existence of the disturbing crack has a great influence on the stress intensity factor of the main crack, and the influence is different with the different location of disturbing crack. The study of the interaction of multiple cracks under different interference factors and the influence of disturbing cracks on the main crack can provide some reference for future engineering applications. |
| doi_str_mv | 10.1007/s11804-021-00223-0 |
| format | Article |
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The finite element model of the spherical hull is established, and a semi-elliptical surface crack is inserted in the welding toe of the spherical hull as the main crack. Considering the combined effect of external uniform pressure and welding residual stress at the weld toe, the stress intensity factor (SIF) is obtained based on the M-integral method. Inserting disturbing cracks at different positions on the spherical hull surface, the interaction and influence between multi-cracks are revealed by numerical calculation. The results show that the existence of the disturbing crack has a great influence on the stress intensity factor of the main crack, and the influence is different with the different location of disturbing crack. The study of the interaction of multiple cracks under different interference factors and the influence of disturbing cracks on the main crack can provide some reference for future engineering applications.</description><identifier>ISSN: 1671-9433</identifier><identifier>EISSN: 1993-5048</identifier><identifier>DOI: 10.1007/s11804-021-00223-0</identifier><language>eng</language><publisher>Harbin: Harbin Engineering University</publisher><subject>Cracks ; Deep sea ; Deep sea environments ; Deep water ; Electrical Machines and Networks ; Engineering ; External pressure ; Finite element method ; Geotechnical Engineering & Applied Earth Sciences ; Machinery and Machine Elements ; Mathematical analysis ; Offshore Engineering ; Power Electronics ; Pressure ; Pressure effects ; Research Article ; Residual stress ; Stress intensity factors ; Submersibles ; Surface cracks ; Welding</subject><ispartof>Journal of marine science and application, 2021-09, Vol.20 (3), p.491-503</ispartof><rights>Harbin Engineering University and Springer-Verlag GmbH Germany, part of Springer Nature 2021</rights><rights>Harbin Engineering University and Springer-Verlag GmbH Germany, part of Springer Nature 2021.</rights><rights>Copyright © Wanfang Data Co. 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All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c307t-249d2b4c561caabdf8f9c81ffcd4764f656c346cee9d9df403b73fd79f94bb133</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.wanfangdata.com.cn/images/PeriodicalImages/hebgcdxxb-e/hebgcdxxb-e.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11804-021-00223-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11804-021-00223-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Li, Rujun</creatorcontrib><creatorcontrib>Zhu, Yongmei</creatorcontrib><creatorcontrib>Fang, Wenjing</creatorcontrib><creatorcontrib>Yin, Baoji</creatorcontrib><title>Multi-Crack Interaction and Influence on the Spherical Pressure Hull for a Deep-Sea Manned Submersible</title><title>Journal of marine science and application</title><addtitle>J. Marine. Sci. Appl</addtitle><description>This study investigates the interaction and influence of surface cracks on the spherical pressure hull of a deep-sea manned submersible. The finite element model of the spherical hull is established, and a semi-elliptical surface crack is inserted in the welding toe of the spherical hull as the main crack. Considering the combined effect of external uniform pressure and welding residual stress at the weld toe, the stress intensity factor (SIF) is obtained based on the M-integral method. Inserting disturbing cracks at different positions on the spherical hull surface, the interaction and influence between multi-cracks are revealed by numerical calculation. The results show that the existence of the disturbing crack has a great influence on the stress intensity factor of the main crack, and the influence is different with the different location of disturbing crack. The study of the interaction of multiple cracks under different interference factors and the influence of disturbing cracks on the main crack can provide some reference for future engineering applications.</description><subject>Cracks</subject><subject>Deep sea</subject><subject>Deep sea environments</subject><subject>Deep water</subject><subject>Electrical Machines and Networks</subject><subject>Engineering</subject><subject>External pressure</subject><subject>Finite element method</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Machinery and Machine Elements</subject><subject>Mathematical analysis</subject><subject>Offshore Engineering</subject><subject>Power Electronics</subject><subject>Pressure</subject><subject>Pressure effects</subject><subject>Research Article</subject><subject>Residual stress</subject><subject>Stress intensity factors</subject><subject>Submersibles</subject><subject>Surface cracks</subject><subject>Welding</subject><issn>1671-9433</issn><issn>1993-5048</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE9P3DAQxaOqSFDgC3Cy1GtdxrETx8dqW7pIIJAWzpb_jHdDg7O1E3X59jUNEree5s3o995Ir6ouGHxlAPIyM9aBoFAzClDXnMKH6oQpxWkDovtYdCsZVYLz4-pTzk8ArWw5P6nC7TxMPV0l436R6zhhEVM_RmKiL3sYZowOSTlMOySb_Q5T78xA7hPmPCck63kYSBgTMeQ74p5u0JBbEyN6spntM6bc2wHPqqNghoznb_O0erz68bBa05u7n9erbzfUcZATrYXytRWuaZkzxvrQBeU6FoLzQrYitE3ruGgdovLKBwHcSh68VEEJaxnnp9WXJfePicHErX4a5xTLR71Du3X-cLAa61ITcICu4J8XfJ_G3zPm6Z2vGymFahrxStUL5dKYc8Kg96l_NulFM9Cv9eulfl1y9b_6NRQTX0y5wHGL6T36P66_ygaIGw</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Li, Rujun</creator><creator>Zhu, Yongmei</creator><creator>Fang, Wenjing</creator><creator>Yin, Baoji</creator><general>Harbin Engineering University</general><general>Springer Nature B.V</general><general>School of Mechanical Engineering,Jiangsu University of Science and Technology,Zhenjiang, Zhenjiang 212003,China</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H96</scope><scope>H97</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>P64</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20210901</creationdate><title>Multi-Crack Interaction and Influence on the Spherical Pressure Hull for a Deep-Sea Manned Submersible</title><author>Li, Rujun ; Zhu, Yongmei ; Fang, Wenjing ; Yin, Baoji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c307t-249d2b4c561caabdf8f9c81ffcd4764f656c346cee9d9df403b73fd79f94bb133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Cracks</topic><topic>Deep sea</topic><topic>Deep sea environments</topic><topic>Deep water</topic><topic>Electrical Machines and Networks</topic><topic>Engineering</topic><topic>External pressure</topic><topic>Finite element method</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Machinery and Machine Elements</topic><topic>Mathematical analysis</topic><topic>Offshore Engineering</topic><topic>Power Electronics</topic><topic>Pressure</topic><topic>Pressure effects</topic><topic>Research Article</topic><topic>Residual stress</topic><topic>Stress intensity factors</topic><topic>Submersibles</topic><topic>Surface cracks</topic><topic>Welding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Rujun</creatorcontrib><creatorcontrib>Zhu, Yongmei</creatorcontrib><creatorcontrib>Fang, Wenjing</creatorcontrib><creatorcontrib>Yin, Baoji</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of marine science and application</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Rujun</au><au>Zhu, Yongmei</au><au>Fang, Wenjing</au><au>Yin, Baoji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multi-Crack Interaction and Influence on the Spherical Pressure Hull for a Deep-Sea Manned Submersible</atitle><jtitle>Journal of marine science and application</jtitle><stitle>J. Marine. Sci. Appl</stitle><date>2021-09-01</date><risdate>2021</risdate><volume>20</volume><issue>3</issue><spage>491</spage><epage>503</epage><pages>491-503</pages><issn>1671-9433</issn><eissn>1993-5048</eissn><abstract>This study investigates the interaction and influence of surface cracks on the spherical pressure hull of a deep-sea manned submersible. The finite element model of the spherical hull is established, and a semi-elliptical surface crack is inserted in the welding toe of the spherical hull as the main crack. Considering the combined effect of external uniform pressure and welding residual stress at the weld toe, the stress intensity factor (SIF) is obtained based on the M-integral method. Inserting disturbing cracks at different positions on the spherical hull surface, the interaction and influence between multi-cracks are revealed by numerical calculation. The results show that the existence of the disturbing crack has a great influence on the stress intensity factor of the main crack, and the influence is different with the different location of disturbing crack. The study of the interaction of multiple cracks under different interference factors and the influence of disturbing cracks on the main crack can provide some reference for future engineering applications.</abstract><cop>Harbin</cop><pub>Harbin Engineering University</pub><doi>10.1007/s11804-021-00223-0</doi><tpages>13</tpages></addata></record> |
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| ispartof | Journal of marine science and application, 2021-09, Vol.20 (3), p.491-503 |
| issn | 1671-9433 1993-5048 |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Cracks Deep sea Deep sea environments Deep water Electrical Machines and Networks Engineering External pressure Finite element method Geotechnical Engineering & Applied Earth Sciences Machinery and Machine Elements Mathematical analysis Offshore Engineering Power Electronics Pressure Pressure effects Research Article Residual stress Stress intensity factors Submersibles Surface cracks Welding |
| title | Multi-Crack Interaction and Influence on the Spherical Pressure Hull for a Deep-Sea Manned Submersible |
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