Article(id=1228295812518703546, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.02.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1686585600000, receivedDateStr=2023-06-13, revisedDate=1689868800000, revisedDateStr=2023-07-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1770778142337, onlineDateStr=2026-02-11, pubDate=1739116800000, pubDateStr=2025-02-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770778142337, onlineIssueDateStr=2026-02-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770778142337, creator=13701087609, updateTime=1770778142337, updator=13701087609, issue=Issue{id=1228295801890336965, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='2', pageStart='223', pageEnd='448', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770778139803, creator=13701087609, updateTime=1770949100774, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1229012864237760763, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1229012864237760764, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=331, endPage=339, ext={EN=ArticleExt(id=1228295812829082060, articleId=1228295812518703546, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Calculation of the transverse natural frequency of single-pile foundation for offshore wind turbines considering water-pile-soil interaction, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
This paper presents a simplified structural model for continuous variable cross-section single-pile foundations of offshore wind turbines, considering the water-pile-soil interaction, using the Euler-Bernoulli beam theory. The simplified model is solved using the differential transform method to obtain the transverse vibration control equation. The investigation focuses on the impact of tower diameter, transition section height, water-added mass, impeller-nacelle assembly mass, and the stiffness of three springs on the transverse natural frequency. The results show that the influence of the bottom diameter of the variable cross-section tower on the natural frequency is greater than that of the top diameter. In offshore wind turbine installations with greater water depths, the effect of water-added mass on the structural natural frequency cannot be overlooked. The transverse natural frequency of the wind turbine decreases as the impeller-nacelle assembly mass increases. The sensitivity of the soil modulus to the spring stiffness is ranked as follows: horizontal spring > coupling spring > rotational spring. Similarly, the sensitivity of the natural frequency to the spring stiffness is ranked as: coupling spring > horizontal spring > rotational spring. When variations occur in the soil modulus, the primary influence on the natural frequency is predominantly exerted by the horizontal spring and the coupling spring.
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采用Euler-Beroulli梁理论,提出一种考虑水-桩-土相互作用的连续变截面海上风机单桩基础的结构简化模型,运用微分变换法求解简化模型横向振动控制方程。基于塔筒直径、连接段高度与水体附加质量、叶轮-机舱组件质量和三弹簧刚度对横向自振频率展开研究。研究表明,变截面塔筒底部直径对自振频率的影响大于顶部直径对自振频率的影响;水深较深时,水体附加质量对远海风机结构自振频率的影响不能忽略;风机横向自振频率随叶轮-机舱组件质量的增大而减小;弹簧刚度对土体模量敏感性大小为:水平弹簧>耦合弹簧>旋转弹簧;自振频率对弹簧刚度敏感性大小为:耦合弹簧>水平弹簧>旋转弹簧;土体模量发生变化时,主要通过水平弹簧和耦合弹簧影响自振频率。
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塔筒直径变化对风机自振频率的影响曲线, figureFileSmall=Cz0G7+SZebRRbDUbD2YQlg==, figureFileBig=8G7xUt4UuT1h+Zjqd/cmtw==, tableContent=null), ArticleFig(id=1228313060687934294, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Fig. 4, caption=
Impact curve of connection section height and water-added mass on wind turbine natural frequency, figureFileSmall=KvV1GOm0fwXlgE+KOa0wDw==, figureFileBig=ncZ9QC1LdH6HfSVS9Hx4Gg==, tableContent=null), ArticleFig(id=1228313060788597593, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=图4, caption=
连接段高度与水体附加质量对风机自振频率的影响曲线, figureFileSmall=KvV1GOm0fwXlgE+KOa0wDw==, figureFileBig=ncZ9QC1LdH6HfSVS9Hx4Gg==, tableContent=null), ArticleFig(id=1228313060893455197, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Fig. 5, caption=
Impact curve of impeller-cabin component mass on natural frequency, figureFileSmall=grxtR2W/+cTPXbGP3LaDDA==, figureFileBig=CtLOcv791dBGEIwGRt0UFQ==, tableContent=null), ArticleFig(id=1228313060998312803, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=图5, caption=
叶轮-机舱组件质量对自振频率的影响曲线, figureFileSmall=grxtR2W/+cTPXbGP3LaDDA==, figureFileBig=CtLOcv791dBGEIwGRt0UFQ==, tableContent=null), ArticleFig(id=1228313061103170406, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Fig. 6, caption=
Impact curve of soil modulus on spring stiffness, figureFileSmall=QICttT+ck4WSp7svjs7zOw==, figureFileBig=Aai8YdjhJWKSSf1xxUkJEg==, tableContent=null), ArticleFig(id=1228313061199639400, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=图6, caption=
土体模量对弹簧刚度的影响曲线, figureFileSmall=QICttT+ck4WSp7svjs7zOw==, figureFileBig=Aai8YdjhJWKSSf1xxUkJEg==, tableContent=null), ArticleFig(id=1228313061279331181, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Fig. 7, caption=
Impact curve of spring stiffness on natural frequency, figureFileSmall=/xp0+4Pv0qcfbZGru4hsuA==, figureFileBig=wqdzwvy3HWETyyOCN229ug==, tableContent=null), ArticleFig(id=1228313062315324277, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=图7, caption=
弹簧刚度对自振频率的影响曲线, figureFileSmall=/xp0+4Pv0qcfbZGru4hsuA==, figureFileBig=wqdzwvy3HWETyyOCN229ug==, tableContent=null), ArticleFig(id=1228313062420181879, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Tab. 1, caption=
Spring stiffness formula for flexible pile[8]
, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1228313062533428091, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=表1, caption=
柔性桩的弹簧刚度公式[8]
, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1228313062613119869, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Tab. 2, caption=
Spring stiffness formula for rigid pile[8]
, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1228313062713783170, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=表2, caption=
刚性桩的弹簧刚度公式[8]
, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1228313062810252167, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Tab. 3, caption=
Basic transformation theorem of DTM
, figureFileSmall=null, figureFileBig=null, tableContent=
| 原函数 | 变换函数 |
|---|
| f(r)=y(r)±z(r) | F(k)=Y(k)±Z(k) |
| f(r)=cy(r) | F(k)=cY(k) |
 | F(k)=(k+1)(k+2)…Y(k+n) |
| f(r)=y(r)z(r) |  |
| f(r)=rn |  |
), ArticleFig(id=1228313062889943945, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=表3, caption=
DTM基本变换定理
, figureFileSmall=null, figureFileBig=null, tableContent=
| 原函数 | 变换函数 |
|---|
| f(r)=y(r)±z(r) | F(k)=Y(k)±Z(k) |
| f(r)=cy(r) | F(k)=cY(k) |
 | F(k)=(k+1)(k+2)…Y(k+n) |
| f(r)=y(r)z(r) |  |
| f(r)=rn |  |
), ArticleFig(id=1228313063003190157, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Tab. 4, caption=
Wind turbine structure input parameters[11,22]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 规格参数/单位 | Lely A2 | Irene Vorrink |
|---|
| MR/t | 32 | 35.7 |
| mt/t | 31.44 | 37 |
| Lt/m | 41.5 | 51 |
| Dt/m | 1.9 | 1.7 |
| Db/m | 3.2 | 3.5 |
| Lc/m | 4.6 | 3.8 |
| Dc/m | 3.7 | 3.5 |
| tt/m | 12 | 14 |
| E/GPa | 210 | 210 |
| ρ/(kg·m-3) | 7850 | 7850 |
| KL/(GN·m-1) | 0.52 | 0.58 |
| KLR/GN | -2.74 | -3.25 |
| KR/(GN·m·rad-1) | 23.63 | 29.67 |
), ArticleFig(id=1228313063087076241, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=表4, caption=
风机结构输入参数[11,22]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 规格参数/单位 | Lely A2 | Irene Vorrink |
|---|
| MR/t | 32 | 35.7 |
| mt/t | 31.44 | 37 |
| Lt/m | 41.5 | 51 |
| Dt/m | 1.9 | 1.7 |
| Db/m | 3.2 | 3.5 |
| Lc/m | 4.6 | 3.8 |
| Dc/m | 3.7 | 3.5 |
| tt/m | 12 | 14 |
| E/GPa | 210 | 210 |
| ρ/(kg·m-3) | 7850 | 7850 |
| KL/(GN·m-1) | 0.52 | 0.58 |
| KLR/GN | -2.74 | -3.25 |
| KR/(GN·m·rad-1) | 23.63 | 29.67 |
), ArticleFig(id=1228313063170962326, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=EN, label=Tab. 5, caption=
Calculation results and errors of the first-order lateral natural frequency
, figureFileSmall=null, figureFileBig=null, tableContent=
| 风机 | 实测频率/Hz | 本文三弹簧结果 | ARANY三弹簧结果[11] | 本文固接结果 | ARANY固接结果[11] |
|---|
| 频率/Hz | 误差/% | 频率/Hz | 误差/% | 频率/Hz | 误差/% | 频率/Hz | 误差/% |
|---|
| Lely A2 | 0.634 | 0.639 | 0.79 | 0.643 | 1.41 | 0.708 | 11.67 | 0.713 | 12.46 |
| Irene Vorrink | 0.546 | 0.549 | 0.55 | 0.552 | 1.10 | 0.584 | 6.96 | 0.583 | 6.78 |
), ArticleFig(id=1228313063284208538, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295812518703546, language=CN, label=表5, caption=
一阶横向自振频率计算结果与误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 风机 | 实测频率/Hz | 本文三弹簧结果 | ARANY三弹簧结果[11] | 本文固接结果 | ARANY固接结果[11] |
|---|
| 频率/Hz | 误差/% | 频率/Hz | 误差/% | 频率/Hz | 误差/% | 频率/Hz | 误差/% |
|---|
| Lely A2 | 0.634 | 0.639 | 0.79 | 0.643 | 1.41 | 0.708 | 11.67 | 0.713 | 12.46 |
| Irene Vorrink | 0.546 | 0.549 | 0.55 | 0.552 | 1.10 | 0.584 | 6.96 | 0.583 | 6.78 |
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