Dynamic analysis of wind turbine tower structures in complex ocean environment
Studying and analyzing the dynamic behavior of offshore wind turbines are of great importance to ensure the safety and improve the efficiency of such expensive equipments. In this work, a tapered beam model is proposed to investigate the dynamic response of an offshore wind turbine tower on the mono...
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| Veröffentlicht in: | Applied mathematics and mechanics 2020-07, Vol.41 (7), p.999-1010 |
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| creator | Liu, Guanzhong Guo, Xingming Zhu, Li |
| description | Studying and analyzing the dynamic behavior of offshore wind turbines are of great importance to ensure the safety and improve the efficiency of such expensive equipments. In this work, a tapered beam model is proposed to investigate the dynamic response of an offshore wind turbine tower on the monopile foundation assembled with rotating blades in the complex ocean environment. Several environment factors like wind, wave, current, and soil resistance are taken into account. The proposed model is analytically solved with the Galerkin method. Based on the numerical results, the effects of various structure parameters including the taper angle, the height and thickness of the tower, the depth, and the diameter and the cement filler of the monopile on the fundamental natural frequency of the wind turbine tower system are investigated in detail. It is found that the fundamental natural frequency decreases with the increase in the taper angle and the height and thickness of the tower, and increases with the increase in the diameter of the monopile. Moreover, filling cement into the monopile can effectively improve the fundamental natural frequency of the wind turbine tower system, but there is a critical value of the amount of cement maximizing the property of the monopile. This research may be helpful in the design and safety evaluation of offshore wind turbines. |
| doi_str_mv | 10.1007/s10483-020-2624-8 |
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In this work, a tapered beam model is proposed to investigate the dynamic response of an offshore wind turbine tower on the monopile foundation assembled with rotating blades in the complex ocean environment. Several environment factors like wind, wave, current, and soil resistance are taken into account. The proposed model is analytically solved with the Galerkin method. Based on the numerical results, the effects of various structure parameters including the taper angle, the height and thickness of the tower, the depth, and the diameter and the cement filler of the monopile on the fundamental natural frequency of the wind turbine tower system are investigated in detail. It is found that the fundamental natural frequency decreases with the increase in the taper angle and the height and thickness of the tower, and increases with the increase in the diameter of the monopile. Moreover, filling cement into the monopile can effectively improve the fundamental natural frequency of the wind turbine tower system, but there is a critical value of the amount of cement maximizing the property of the monopile. This research may be helpful in the design and safety evaluation of offshore wind turbines.</description><edition>English ed.</edition><identifier>ISSN: 0253-4827</identifier><identifier>EISSN: 1573-2754</identifier><identifier>DOI: 10.1007/s10483-020-2624-8</identifier><language>eng</language><publisher>Shanghai: Shanghai University</publisher><subject>Applications of Mathematics ; Classical Mechanics ; Diameters ; Dynamic response ; Fluid- and Aerodynamics ; Galerkin method ; Marine environment ; Mathematical Modeling and Industrial Mathematics ; Mathematics ; Mathematics and Statistics ; Mathematics, Applied ; Mechanics ; Offshore ; Offshore structures ; Partial Differential Equations ; Physical Sciences ; Resonant frequencies ; Safety ; Science & Technology ; Soil resistance ; Tapering ; Technology ; Thickness ; Turbines ; Wave resistance ; Wind turbines</subject><ispartof>Applied mathematics and mechanics, 2020-07, Vol.41 (7), p.999-1010</ispartof><rights>Shanghai University and Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Shanghai University and Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><rights>Copyright © Wanfang Data Co. 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All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>3</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000530191600002</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c351t-c4819c61d60696c334699f58b919e729368c6014ced8a6742877bc12b1ecc1293</citedby><cites>FETCH-LOGICAL-c351t-c4819c61d60696c334699f58b919e729368c6014ced8a6742877bc12b1ecc1293</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.wanfangdata.com.cn/images/PeriodicalImages/yysxhlx-e/yysxhlx-e.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10483-020-2624-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10483-020-2624-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Liu, Guanzhong</creatorcontrib><creatorcontrib>Guo, Xingming</creatorcontrib><creatorcontrib>Zhu, Li</creatorcontrib><title>Dynamic analysis of wind turbine tower structures in complex ocean environment</title><title>Applied mathematics and mechanics</title><addtitle>Appl. Math. Mech.-Engl. Ed</addtitle><addtitle>APPL MATH MECH-ENGL</addtitle><description>Studying and analyzing the dynamic behavior of offshore wind turbines are of great importance to ensure the safety and improve the efficiency of such expensive equipments. In this work, a tapered beam model is proposed to investigate the dynamic response of an offshore wind turbine tower on the monopile foundation assembled with rotating blades in the complex ocean environment. Several environment factors like wind, wave, current, and soil resistance are taken into account. The proposed model is analytically solved with the Galerkin method. Based on the numerical results, the effects of various structure parameters including the taper angle, the height and thickness of the tower, the depth, and the diameter and the cement filler of the monopile on the fundamental natural frequency of the wind turbine tower system are investigated in detail. It is found that the fundamental natural frequency decreases with the increase in the taper angle and the height and thickness of the tower, and increases with the increase in the diameter of the monopile. Moreover, filling cement into the monopile can effectively improve the fundamental natural frequency of the wind turbine tower system, but there is a critical value of the amount of cement maximizing the property of the monopile. This research may be helpful in the design and safety evaluation of offshore wind turbines.</description><subject>Applications of Mathematics</subject><subject>Classical Mechanics</subject><subject>Diameters</subject><subject>Dynamic response</subject><subject>Fluid- and Aerodynamics</subject><subject>Galerkin method</subject><subject>Marine environment</subject><subject>Mathematical Modeling and Industrial Mathematics</subject><subject>Mathematics</subject><subject>Mathematics and Statistics</subject><subject>Mathematics, Applied</subject><subject>Mechanics</subject><subject>Offshore</subject><subject>Offshore structures</subject><subject>Partial Differential Equations</subject><subject>Physical Sciences</subject><subject>Resonant frequencies</subject><subject>Safety</subject><subject>Science & Technology</subject><subject>Soil resistance</subject><subject>Tapering</subject><subject>Technology</subject><subject>Thickness</subject><subject>Turbines</subject><subject>Wave resistance</subject><subject>Wind turbines</subject><issn>0253-4827</issn><issn>1573-2754</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><recordid>eNqNkE2LFDEQhoMoOK7-AG8Bb0pr5aPzcZRx_YBFL3oO6Uz1mmUmGZNuZ_rfm6EX9yR4qqJ43qLqIeQlg7cMQL-rDKQRHXDouOKyM4_IhvVadFz38jHZAO9FJw3XT8mzWu8AQGopN-TrhyX5QwzUJ79faqw0j_QU045OcxliQjrlExZapzKHNsJKY6IhH457PNMc0CeK6XcsOR0wTc_Jk9HvK764r1fkx8fr79vP3c23T1-272-6IHo2dUEaZoNiOwXKqiCEVNaOvRkss6i5FcoEBUwG3BmvtORG6yEwPjAMrVhxRV6ve08-jT7durs8l_ZBdctSzz_3Z4e8uQANwBv8aoWPJf-asU4PNJfMGmWNuFBspULJtRYc3bHEgy-LY-Aujt3q2LW97uLYmZYx92fgkMcaIqaAf3NNci-AWaZaB3wbJz_FnLZ5TlOLvvn_aKP5StdGpFssDy_8-7o_dRuelw</recordid><startdate>20200701</startdate><enddate>20200701</enddate><creator>Liu, Guanzhong</creator><creator>Guo, Xingming</creator><creator>Zhu, Li</creator><general>Shanghai University</general><general>Shanghai Univ</general><general>Springer Nature B.V</general><general>Shanghai Institute of Applied Mathematics and Mechanics, Shanghai Key Laboratory of Mechanics in Energy Engineering, School of Mechanics and Engineering Science,Shanghai University, Shanghai 200072, China%School of Mathematics and Computational Sciences, Xiangtan University,Xiangtan 411105, Hunan Province, China</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</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>20200701</creationdate><title>Dynamic analysis of wind turbine tower structures in complex ocean environment</title><author>Liu, Guanzhong ; Guo, Xingming ; Zhu, Li</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-c4819c61d60696c334699f58b919e729368c6014ced8a6742877bc12b1ecc1293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applications of Mathematics</topic><topic>Classical Mechanics</topic><topic>Diameters</topic><topic>Dynamic response</topic><topic>Fluid- and Aerodynamics</topic><topic>Galerkin method</topic><topic>Marine environment</topic><topic>Mathematical Modeling and Industrial Mathematics</topic><topic>Mathematics</topic><topic>Mathematics and Statistics</topic><topic>Mathematics, Applied</topic><topic>Mechanics</topic><topic>Offshore</topic><topic>Offshore structures</topic><topic>Partial Differential Equations</topic><topic>Physical Sciences</topic><topic>Resonant frequencies</topic><topic>Safety</topic><topic>Science & Technology</topic><topic>Soil resistance</topic><topic>Tapering</topic><topic>Technology</topic><topic>Thickness</topic><topic>Turbines</topic><topic>Wave resistance</topic><topic>Wind turbines</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Guanzhong</creatorcontrib><creatorcontrib>Guo, Xingming</creatorcontrib><creatorcontrib>Zhu, Li</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</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>Applied mathematics and mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Guanzhong</au><au>Guo, Xingming</au><au>Zhu, Li</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dynamic analysis of wind turbine tower structures in complex ocean environment</atitle><jtitle>Applied mathematics and mechanics</jtitle><stitle>Appl. Math. Mech.-Engl. Ed</stitle><stitle>APPL MATH MECH-ENGL</stitle><date>2020-07-01</date><risdate>2020</risdate><volume>41</volume><issue>7</issue><spage>999</spage><epage>1010</epage><pages>999-1010</pages><issn>0253-4827</issn><eissn>1573-2754</eissn><abstract>Studying and analyzing the dynamic behavior of offshore wind turbines are of great importance to ensure the safety and improve the efficiency of such expensive equipments. In this work, a tapered beam model is proposed to investigate the dynamic response of an offshore wind turbine tower on the monopile foundation assembled with rotating blades in the complex ocean environment. Several environment factors like wind, wave, current, and soil resistance are taken into account. The proposed model is analytically solved with the Galerkin method. Based on the numerical results, the effects of various structure parameters including the taper angle, the height and thickness of the tower, the depth, and the diameter and the cement filler of the monopile on the fundamental natural frequency of the wind turbine tower system are investigated in detail. It is found that the fundamental natural frequency decreases with the increase in the taper angle and the height and thickness of the tower, and increases with the increase in the diameter of the monopile. Moreover, filling cement into the monopile can effectively improve the fundamental natural frequency of the wind turbine tower system, but there is a critical value of the amount of cement maximizing the property of the monopile. This research may be helpful in the design and safety evaluation of offshore wind turbines.</abstract><cop>Shanghai</cop><pub>Shanghai University</pub><doi>10.1007/s10483-020-2624-8</doi><tpages>12</tpages><edition>English ed.</edition></addata></record> |
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| subjects | Applications of Mathematics Classical Mechanics Diameters Dynamic response Fluid- and Aerodynamics Galerkin method Marine environment Mathematical Modeling and Industrial Mathematics Mathematics Mathematics and Statistics Mathematics, Applied Mechanics Offshore Offshore structures Partial Differential Equations Physical Sciences Resonant frequencies Safety Science & Technology Soil resistance Tapering Technology Thickness Turbines Wave resistance Wind turbines |
| title | Dynamic analysis of wind turbine tower structures in complex ocean environment |
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