A numerical simulation method for predicting global and local hydroelastic response of a ship based on CFD and FEA coupling
In this paper, a simulation method for predicting global and local hydroelastic response of a ship which couples CFD and FEA is developed and validated. By comparing the prediction with linear/nonlinear strip method, 3D panel method and towing tank test results under various wave conditions in terms...
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| Veröffentlicht in: | Marine structures 2018-05, Vol.59, p.368-386 |
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| container_title | Marine structures |
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| creator | Takami, Tomoki Matsui, Sadaoki Oka, Masayoshi Iijima, Kazuhiro |
| description | In this paper, a simulation method for predicting global and local hydroelastic response of a ship which couples CFD and FEA is developed and validated. By comparing the prediction with linear/nonlinear strip method, 3D panel method and towing tank test results under various wave conditions in terms of rigid body motions and slamming impact pressure, the effectiveness of the CFD-FEA coupling method is confirmed. The hydroelastic behavior, so-called the whipping moment, evaluated from the CFD-FEA coupling method is further validated by comparing with nonlinear strip method, 3D panel method and tank test results. Finally, the proposed method is applied to a realistic large container ship structure in severe waves. The structural response of the double bottom structure subjected to global and local bending moments is investigated.
•Numerical method for predicting global and local hydroelastic response is developed.•Developed method is validated regarding hydrodynamic and hydroelastic responses.•Contribution of local load to double bottom strength is identified clearly. |
| doi_str_mv | 10.1016/j.marstruc.2018.02.009 |
| format | Article |
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•Numerical method for predicting global and local hydroelastic response is developed.•Developed method is validated regarding hydrodynamic and hydroelastic responses.•Contribution of local load to double bottom strength is identified clearly.</description><identifier>ISSN: 0951-8339</identifier><identifier>EISSN: 1873-4170</identifier><identifier>DOI: 10.1016/j.marstruc.2018.02.009</identifier><language>eng</language><publisher>Barking: Elsevier Ltd</publisher><subject>Bending moments ; Computational fluid dynamics ; Computer simulation ; Container ships ; Coupling ; Deformation ; Double bottom structure ; Finite element analysis ; Finite element method ; Hull girder ; Hydroelasticity ; Impact loads ; Load ; Mathematical models ; Numerical prediction ; Panel method (fluid dynamics) ; Pressure distribution ; Rigid structures ; Rigid-body dynamics ; Ship accidents & safety ; Ships ; Simulation ; Slamming ; Test procedures ; Towing ; Towing tanks ; Whipping</subject><ispartof>Marine structures, 2018-05, Vol.59, p.368-386</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-e9bb5fbe3e07b3253ed957914e31d9c619da9a25d4591a0d5814487ef65cb0023</citedby><cites>FETCH-LOGICAL-c406t-e9bb5fbe3e07b3253ed957914e31d9c619da9a25d4591a0d5814487ef65cb0023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.marstruc.2018.02.009$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Takami, Tomoki</creatorcontrib><creatorcontrib>Matsui, Sadaoki</creatorcontrib><creatorcontrib>Oka, Masayoshi</creatorcontrib><creatorcontrib>Iijima, Kazuhiro</creatorcontrib><title>A numerical simulation method for predicting global and local hydroelastic response of a ship based on CFD and FEA coupling</title><title>Marine structures</title><description>In this paper, a simulation method for predicting global and local hydroelastic response of a ship which couples CFD and FEA is developed and validated. By comparing the prediction with linear/nonlinear strip method, 3D panel method and towing tank test results under various wave conditions in terms of rigid body motions and slamming impact pressure, the effectiveness of the CFD-FEA coupling method is confirmed. The hydroelastic behavior, so-called the whipping moment, evaluated from the CFD-FEA coupling method is further validated by comparing with nonlinear strip method, 3D panel method and tank test results. Finally, the proposed method is applied to a realistic large container ship structure in severe waves. The structural response of the double bottom structure subjected to global and local bending moments is investigated.
•Numerical method for predicting global and local hydroelastic response is developed.•Developed method is validated regarding hydrodynamic and hydroelastic responses.•Contribution of local load to double bottom strength is identified clearly.</description><subject>Bending moments</subject><subject>Computational fluid dynamics</subject><subject>Computer simulation</subject><subject>Container ships</subject><subject>Coupling</subject><subject>Deformation</subject><subject>Double bottom structure</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Hull girder</subject><subject>Hydroelasticity</subject><subject>Impact loads</subject><subject>Load</subject><subject>Mathematical models</subject><subject>Numerical prediction</subject><subject>Panel method (fluid dynamics)</subject><subject>Pressure distribution</subject><subject>Rigid structures</subject><subject>Rigid-body dynamics</subject><subject>Ship accidents & safety</subject><subject>Ships</subject><subject>Simulation</subject><subject>Slamming</subject><subject>Test procedures</subject><subject>Towing</subject><subject>Towing tanks</subject><subject>Whipping</subject><issn>0951-8339</issn><issn>1873-4170</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkEFv1DAQRi0EEkvhLyBLPSfMxHES31htuwVpJS5wthx70vUqG6d2glT1z9fLwpmTL997Iz_GPiOUCNh8OZVnE9MSV1tWgF0JVQmg3rANdq0oamzhLduAklh0Qqj37ENKJwBsEXHDXrZ8Ws8UvTUjT_68jmbxYeJnWo7B8SFEPkdy3i5-euSPY-jzzkyOj-FCHJ9dDDSatHjLI6U5TIl4GLjh6ehn3ptEjmffbn_3B9vfb7kN6zxm3Uf2bjBjok9_3xv2a3__c_etOPx4-L7bHgpbQ7MUpPpeDj0JgrYXlRTklGwV1iTQKdugckaZSrpaKjTgZId13bU0NNL2AJW4YbdX7xzD00pp0aewximf1BW0KKCTKPOqua5sDClFGvQcfS77rBH0JbQ-6X-h9SW0hkrn0Bn8egUp_-G3p6iT9TTZXC2SXbQL_n-KV_r9izI</recordid><startdate>201805</startdate><enddate>201805</enddate><creator>Takami, Tomoki</creator><creator>Matsui, Sadaoki</creator><creator>Oka, Masayoshi</creator><creator>Iijima, Kazuhiro</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TB</scope><scope>7TN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>201805</creationdate><title>A numerical simulation method for predicting global and local hydroelastic response of a ship based on CFD and FEA coupling</title><author>Takami, Tomoki ; Matsui, Sadaoki ; Oka, Masayoshi ; Iijima, Kazuhiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c406t-e9bb5fbe3e07b3253ed957914e31d9c619da9a25d4591a0d5814487ef65cb0023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Bending moments</topic><topic>Computational fluid dynamics</topic><topic>Computer simulation</topic><topic>Container ships</topic><topic>Coupling</topic><topic>Deformation</topic><topic>Double bottom structure</topic><topic>Finite element analysis</topic><topic>Finite element method</topic><topic>Hull girder</topic><topic>Hydroelasticity</topic><topic>Impact loads</topic><topic>Load</topic><topic>Mathematical models</topic><topic>Numerical prediction</topic><topic>Panel method (fluid dynamics)</topic><topic>Pressure distribution</topic><topic>Rigid structures</topic><topic>Rigid-body dynamics</topic><topic>Ship accidents & safety</topic><topic>Ships</topic><topic>Simulation</topic><topic>Slamming</topic><topic>Test procedures</topic><topic>Towing</topic><topic>Towing tanks</topic><topic>Whipping</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takami, Tomoki</creatorcontrib><creatorcontrib>Matsui, Sadaoki</creatorcontrib><creatorcontrib>Oka, Masayoshi</creatorcontrib><creatorcontrib>Iijima, Kazuhiro</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</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>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Marine structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Takami, Tomoki</au><au>Matsui, Sadaoki</au><au>Oka, Masayoshi</au><au>Iijima, Kazuhiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A numerical simulation method for predicting global and local hydroelastic response of a ship based on CFD and FEA coupling</atitle><jtitle>Marine structures</jtitle><date>2018-05</date><risdate>2018</risdate><volume>59</volume><spage>368</spage><epage>386</epage><pages>368-386</pages><issn>0951-8339</issn><eissn>1873-4170</eissn><abstract>In this paper, a simulation method for predicting global and local hydroelastic response of a ship which couples CFD and FEA is developed and validated. By comparing the prediction with linear/nonlinear strip method, 3D panel method and towing tank test results under various wave conditions in terms of rigid body motions and slamming impact pressure, the effectiveness of the CFD-FEA coupling method is confirmed. The hydroelastic behavior, so-called the whipping moment, evaluated from the CFD-FEA coupling method is further validated by comparing with nonlinear strip method, 3D panel method and tank test results. Finally, the proposed method is applied to a realistic large container ship structure in severe waves. The structural response of the double bottom structure subjected to global and local bending moments is investigated.
•Numerical method for predicting global and local hydroelastic response is developed.•Developed method is validated regarding hydrodynamic and hydroelastic responses.•Contribution of local load to double bottom strength is identified clearly.</abstract><cop>Barking</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.marstruc.2018.02.009</doi><tpages>19</tpages></addata></record> |
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| ispartof | Marine structures, 2018-05, Vol.59, p.368-386 |
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| subjects | Bending moments Computational fluid dynamics Computer simulation Container ships Coupling Deformation Double bottom structure Finite element analysis Finite element method Hull girder Hydroelasticity Impact loads Load Mathematical models Numerical prediction Panel method (fluid dynamics) Pressure distribution Rigid structures Rigid-body dynamics Ship accidents & safety Ships Simulation Slamming Test procedures Towing Towing tanks Whipping |
| title | A numerical simulation method for predicting global and local hydroelastic response of a ship based on CFD and FEA coupling |
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