Wave radiation and diffraction by a floating rectangular structure with an opening at its bottom in oblique seas
The radiation and the diffraction of linear waves by a rectangular structure with an opening at its bottom floating in oblique seas of finite depth are investigated. Analytical expressions for the radiated potentials and the diffracted potential are obtained by use of the method of separation of var...
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| Veröffentlicht in: | Journal of hydrodynamics. Series B 2017-12, Vol.29 (6), p.1054-1066 |
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| container_end_page | 1066 |
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| container_issue | 6 |
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| container_title | Journal of hydrodynamics. Series B |
| container_volume | 29 |
| creator | 杨小岩 张洪生 李海涛 |
| description | The radiation and the diffraction of linear waves by a rectangular structure with an opening at its bottom floating in oblique seas of finite depth are investigated. Analytical expressions for the radiated potentials and the diffracted potential are obtained by use of the method of separation of variables and the eigenfunction expansion method, with the unknown coefficients being determined by the boundary conditions and the matching requirement on the interface. The hydrodynamic coefficients and the wave excitation forces are verified using the symmetry properties of coupled hydrodynamic coefficients and one specific example investigated previously. By use of the present analytical-numerical solution, the influences of the angle of incidence, the width of the opening on the wave forces and the hydrodynamic coefficients are investigated. It is also found that in the oblique sea the external excitation frequency that can lead to the resonance of a rectangular tank depends on the wave direction and the wave number of the incident wave. |
| doi_str_mv | 10.1016/S1001-6058(16)60819-3 |
| format | Article |
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Analytical expressions for the radiated potentials and the diffracted potential are obtained by use of the method of separation of variables and the eigenfunction expansion method, with the unknown coefficients being determined by the boundary conditions and the matching requirement on the interface. The hydrodynamic coefficients and the wave excitation forces are verified using the symmetry properties of coupled hydrodynamic coefficients and one specific example investigated previously. By use of the present analytical-numerical solution, the influences of the angle of incidence, the width of the opening on the wave forces and the hydrodynamic coefficients are investigated. It is also found that in the oblique sea the external excitation frequency that can lead to the resonance of a rectangular tank depends on the wave direction and the wave number of the incident wave.</description><identifier>ISSN: 1001-6058</identifier><identifier>EISSN: 1878-0342</identifier><identifier>DOI: 10.1016/S1001-6058(16)60819-3</identifier><language>eng</language><publisher>Singapore: Elsevier Ltd</publisher><subject>analytical-numerical solution ; Engineering ; Engineering Fluid Dynamics ; floating structure with an opening ; hydrodynamic coefficient ; Hydrology/Water Resources ; Numerical and Computational Physics ; Oblique-wave radiation and diffraction ; Simulation ; wave excitation force ; 线性波浪;矩形;衍射;结构;底部;放射;漂浮;水动力学</subject><ispartof>Journal of hydrodynamics. 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Series B</title><addtitle>J Hydrodyn</addtitle><addtitle>Journal of Hydrodynamics</addtitle><description>The radiation and the diffraction of linear waves by a rectangular structure with an opening at its bottom floating in oblique seas of finite depth are investigated. Analytical expressions for the radiated potentials and the diffracted potential are obtained by use of the method of separation of variables and the eigenfunction expansion method, with the unknown coefficients being determined by the boundary conditions and the matching requirement on the interface. The hydrodynamic coefficients and the wave excitation forces are verified using the symmetry properties of coupled hydrodynamic coefficients and one specific example investigated previously. By use of the present analytical-numerical solution, the influences of the angle of incidence, the width of the opening on the wave forces and the hydrodynamic coefficients are investigated. It is also found that in the oblique sea the external excitation frequency that can lead to the resonance of a rectangular tank depends on the wave direction and the wave number of the incident wave.</description><subject>analytical-numerical solution</subject><subject>Engineering</subject><subject>Engineering Fluid Dynamics</subject><subject>floating structure with an opening</subject><subject>hydrodynamic coefficient</subject><subject>Hydrology/Water Resources</subject><subject>Numerical and Computational Physics</subject><subject>Oblique-wave radiation and diffraction</subject><subject>Simulation</subject><subject>wave excitation force</subject><subject>线性波浪;矩形;衍射;结构;底部;放射;漂浮;水动力学</subject><issn>1001-6058</issn><issn>1878-0342</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkEFP3DAQhaOqlUqBn1DJ6qmVmjKOYyecEEKlRULi0FYcLWc8WbwK9mI7wPLr8e7S9sjJnpn35o2-qvrI4RsHro5-cQBeK5D9Z66-KOj5cS3eVHu87_oaRNu8Lf-_kvfVh5SWAEIdQ7tXra7NPbForDPZBc-Mt8y6cYwGt_WwZoaNUyhTv2CRMBu_mCcTWcpxxjxHYg8u3xQjCyvyG5XJzOXEhpBzuGWuDIbJ3c3EEpl0UL0bzZTo8OXdr_6cf_999rO-vPpxcXZ6WWPbQK4N4qCA98KgtUPTK46ttI1UkiSRVcJS6Q0SOqm6FnHkqAa00EqEDkUn9quvu70Pxo_lZr0Mc_QlUSc7Pa6X6-WTpgZ4ByVGFrncyTGGlCKNehXdrYlrzUFvKOstZb1BqEu1paxF8amdLxW9X1D8n_Oa8WRnpALh3hVjQkceyboNZW2De3XDp5eTb4Jf3JX0fzcXJKppe5DiGV5qonw</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>杨小岩;张洪生;李海涛</creator><general>Elsevier Ltd</general><general>Springer Singapore</general><general>College of Science and Technology, Agricultural University of Hebei, Huanghua 061100, China</general><general>State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China%College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China%College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China</general><general>College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20171201</creationdate><title>Wave radiation and diffraction by a floating rectangular structure with an opening at its bottom in oblique seas</title><author>杨小岩;张洪生;李海涛</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c420t-accb60183acddb2861c45d2565e5eed63de861b5075674ccf1c6bcd045c07c373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>analytical-numerical solution</topic><topic>Engineering</topic><topic>Engineering Fluid Dynamics</topic><topic>floating structure with an opening</topic><topic>hydrodynamic coefficient</topic><topic>Hydrology/Water Resources</topic><topic>Numerical and Computational Physics</topic><topic>Oblique-wave radiation and diffraction</topic><topic>Simulation</topic><topic>wave excitation force</topic><topic>线性波浪;矩形;衍射;结构;底部;放射;漂浮;水动力学</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>杨小岩;张洪生;李海涛</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</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 hydrodynamics. Series B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>杨小岩;张洪生;李海涛</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Wave radiation and diffraction by a floating rectangular structure with an opening at its bottom in oblique seas</atitle><jtitle>Journal of hydrodynamics. Series B</jtitle><stitle>J Hydrodyn</stitle><addtitle>Journal of Hydrodynamics</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>29</volume><issue>6</issue><spage>1054</spage><epage>1066</epage><pages>1054-1066</pages><issn>1001-6058</issn><eissn>1878-0342</eissn><abstract>The radiation and the diffraction of linear waves by a rectangular structure with an opening at its bottom floating in oblique seas of finite depth are investigated. Analytical expressions for the radiated potentials and the diffracted potential are obtained by use of the method of separation of variables and the eigenfunction expansion method, with the unknown coefficients being determined by the boundary conditions and the matching requirement on the interface. The hydrodynamic coefficients and the wave excitation forces are verified using the symmetry properties of coupled hydrodynamic coefficients and one specific example investigated previously. By use of the present analytical-numerical solution, the influences of the angle of incidence, the width of the opening on the wave forces and the hydrodynamic coefficients are investigated. It is also found that in the oblique sea the external excitation frequency that can lead to the resonance of a rectangular tank depends on the wave direction and the wave number of the incident wave.</abstract><cop>Singapore</cop><pub>Elsevier Ltd</pub><doi>10.1016/S1001-6058(16)60819-3</doi><tpages>13</tpages></addata></record> |
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| identifier | ISSN: 1001-6058 |
| ispartof | Journal of hydrodynamics. Series B, 2017-12, Vol.29 (6), p.1054-1066 |
| issn | 1001-6058 1878-0342 |
| language | eng |
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| source | SpringerNature Journals; Access via ScienceDirect (Elsevier); Alma/SFX Local Collection |
| subjects | analytical-numerical solution Engineering Engineering Fluid Dynamics floating structure with an opening hydrodynamic coefficient Hydrology/Water Resources Numerical and Computational Physics Oblique-wave radiation and diffraction Simulation wave excitation force 线性波浪 矩形 衍射 结构 底部 放射 漂浮 水动力学 |
| title | Wave radiation and diffraction by a floating rectangular structure with an opening at its bottom in oblique seas |
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