Article(id=1242150428041884201, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1242150427056222760, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2024.02.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1693065600000, receivedDateStr=2023-08-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774081340083, onlineDateStr=2026-03-21, pubDate=1708358400000, pubDateStr=2024-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774081340083, onlineIssueDateStr=2026-03-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774081340083, creator=13701087609, updateTime=1774081340083, updator=13701087609, issue=Issue{id=1242150427056222760, tenantId=1146029695717560320, journalId=1240685776644648972, year='2024', volume='28', issue='2', pageStart='169', pageEnd='318', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1774081339849, creator=13701087609, updateTime=1774081592202, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1242151485560136680, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1242150427056222760, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1242151485560136681, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1242150427056222760, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=261, endPage=272, ext={EN=ArticleExt(id=1242150428285153834, articleId=1242150428041884201, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Fatigue damage analysis of wide-band Gaussian processes based on the modified Tovo-Benasciutti (T-B) method, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
In this paper, a new frequency-domain analysis method based on the modified Tovo-Benasciutti (T-B) method was proposed to calculate the fatigue damage under wide-band Gaussian random processes. According to the parametric power spectrum with different spectral shapes, a new nonlinear function model for the key parameter bTB of T-B method was developed through the time-domain fatigue damage analysis. Compared with the original T-B method, the modified T-B method was proposed by introducing the slope parameter m of S-N curves into the new function model of parameter bMTB. Through the numerical tests with parametric power spectrum and real power spectrum, the results of time-domain rain-flow counting (RFC) method was used as reference, and the accuracy and robustness of the modified T-B method were verified against several existing frequency-domain methods.
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针对宽带高斯随机应力过程造成的疲劳损伤问题,本文提出一种基于改进Tovo-Benasciutti(T-B)法的疲劳损伤频域分析方法。通过不同参数形式的功率谱进行时域的疲劳损伤分析,针对T-B法中的关键参数bTB提出一个新的非线性函数模型。与原T-B法相比,新提出的函数模型bMTB可以考虑S-N曲线斜率参数m的影响,并以此为基础提出基于改进T-B法的疲劳损伤分析方法。以时域的雨流计数法结果作为基准,分别采用参数化功率谱和真实响应谱进行数值试验,并与现有的多种宽带高斯疲劳损伤分析方法进行对比,验证本文所提出的改进T-B法的准确性和适用性。
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孙卓成(1996-),男,硕士研究生。
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Journal of Offshore Mechanics and Arctic Engineering,
2011,
133(4): 41103., articleTitle=Extreme dynamic structural response analysis of catenary moored spar wind turbine in harsh environmental conditions, refAbstract=null)], funds=[Fund(id=1242150447654449240, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, awardId=52001058, language=CN, fundingSource=国家自然科学基金资助项目(52001058), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1242150442625479580, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, xref=null, ext=[AuthorCompanyExt(id=1242150442633868192, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, companyId=1242150442625479580, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=State Key Lab of Structural Analysis for Industrial Equipment, School of Naval Architecture Engineering, Dalian University of Technology, Dalian 116024, China), AuthorCompanyExt(id=1242150442642256799, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, companyId=1242150442625479580, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=大连理工大学 工业装备结构分析国家重点实验室 船舶工程学院,辽宁 大连 116024)])], figs=[ArticleFig(id=1242150445540520934, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Fig.1, caption=
Comparison of the weighting factor bsim from numerical simulation and approximate formula of bTB, figureFileSmall=p0qNODtqcT4rPuwflWTxAg==, figureFileBig=uqoXoPUd7rplHLaVLzpvbw==, tableContent=null), ArticleFig(id=1242150445607629804, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=图1, caption=
权重系数的模拟结果bsim与拟合公式bTB的对比, figureFileSmall=p0qNODtqcT4rPuwflWTxAg==, figureFileBig=uqoXoPUd7rplHLaVLzpvbw==, tableContent=null), ArticleFig(id=1242150445829927930, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Fig.2, caption=
Illustration of spectral shapes considered in this study, figureFileSmall=iSR63aRKIpj1R0M+tTWRxA==, figureFileBig=elux0s0fgC5nyj+qf4ANDg==, tableContent=null), ArticleFig(id=1242150445897036797, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=图2, caption=
不同形状的功率谱, figureFileSmall=iSR63aRKIpj1R0M+tTWRxA==, figureFileBig=elux0s0fgC5nyj+qf4ANDg==, tableContent=null), ArticleFig(id=1242150446006087682, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Fig.3, caption=
Comparison of the weighting factors of b from numerical simulation and empirical formulae, figureFileSmall=fGMEy7BqGsTc30iArocuLA==, figureFileBig=9+SDdZCwLNadw7CmJ925ug==, tableContent=null), ArticleFig(id=1242150446089973765, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=图3, caption=
权重系数b的数值模拟结果与拟合公式结果对比, figureFileSmall=fGMEy7BqGsTc30iArocuLA==, figureFileBig=9+SDdZCwLNadw7CmJ925ug==, tableContent=null), ArticleFig(id=1242150446182248457, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Fig.4, caption=
Comparison of fatigue damage evaluated by DK, T-B and modified T-B methods, figureFileSmall=N08y+C2fL6i/vVKUxwH7Eg==, figureFileBig=jJr3/A+IMo8wPol7gQkr4Q==, tableContent=null), ArticleFig(id=1242150446282911756, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=图4, caption=
DK法、T-B法与改进T-B法疲劳损伤评估结果对比, figureFileSmall=N08y+C2fL6i/vVKUxwH7Eg==, figureFileBig=jJr3/A+IMo8wPol7gQkr4Q==, tableContent=null), ArticleFig(id=1242150446366797843, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Fig.5, caption=
Bimodal spectrum used in numerical simulation in case of TW=9 s, TN=2 s, x=0.04, figureFileSmall=fpK3CjV5XS5frcnChu/x2A==, figureFileBig=i+lM26eRCg+9TI46G/gE5g==, tableContent=null), ArticleFig(id=1242150446471655448, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=图5, caption=
双模态功率谱数值模拟算例(TW=9 s,TN=2 s,x=0.04), figureFileSmall=fpK3CjV5XS5frcnChu/x2A==, figureFileBig=i+lM26eRCg+9TI46G/gE5g==, tableContent=null), ArticleFig(id=1242150446538764317, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Fig.6, caption=
Tri-modal bending moment spectrum of a floating Spar wind turbine[17], figureFileSmall=2d34HdcPzD6dhhGVzID3rw==, figureFileBig=TmspJ7/Fztoz6qgf7LMiMQ==, tableContent=null), ArticleFig(id=1242150446610067491, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=图6, caption=
漂浮式Spar型风机三模态弯矩响应谱[17], figureFileSmall=2d34HdcPzD6dhhGVzID3rw==, figureFileBig=TmspJ7/Fztoz6qgf7LMiMQ==, tableContent=null), ArticleFig(id=1242150446672982056, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Tab.1, caption=
Fitted coefficients ai (i = 1, 2, 3, 4)
, figureFileSmall=null, figureFileBig=null, tableContent=
| m | a1 | a2 | a3 | a4 |
|---|
| 3 | 0.3800 | -0.0947 | 0.2793 | 0.3290 |
| 4 | 0.2745 | 0.0285 | 0.2978 | 0.2465 |
| 5 | 0.2100 | 0.0942 | 0.2994 | 0.1968 |
| 6 | 0.1672 | 0.1328 | 0.2955 | 0.1637 |
), ArticleFig(id=1242150446773645355, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=表1, caption=
拟合系数ai(i = 1,2,3,4)
, figureFileSmall=null, figureFileBig=null, tableContent=
| m | a1 | a2 | a3 | a4 |
|---|
| 3 | 0.3800 | -0.0947 | 0.2793 | 0.3290 |
| 4 | 0.2745 | 0.0285 | 0.2978 | 0.2465 |
| 5 | 0.2100 | 0.0942 | 0.2994 | 0.1968 |
| 6 | 0.1672 | 0.1328 | 0.2955 | 0.1637 |
), ArticleFig(id=1242150446878502961, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Tab.2, caption=
Determination coefficients R2 for different frequency-domain methods
, figureFileSmall=null, figureFileBig=null, tableContent=
| 谱型 | m=3 | m=5 |
|---|
| W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 | W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 |
|---|
| a | 0.8798 | 0.9870 | 0.8711 | 0.9925 | 0.9996 | 0.9446 | 0.9426 | 0.7376 | 0.9323 | 0.9960 |
| b | 0.9637 | 0.9896 | 0.9636 | 0.9932 | 0.9997 | 0.9446 | 0.9645 | 0.9183 | 0.9450 | 0.9971 |
| c | 0.9148 | 0.9886 | 0.9714 | 0.9826 | 0.9994 | 0.7473 | 0.9667 | 0.9548 | 0.9109 | 0.9926 |
| d | 0.9210 | 0.9841 | 0.9223 | 0.9888 | 0.9996 | 0.8818 | 0.9434 | 0.8460 | 0.9147 | 0.9966 |
| e | 0.9548 | 0.9859 | 0.9772 | 0.9853 | 0.9997 | 0.8914 | 0.9681 | 0.9528 | 0.9138 | 0.9968 |
| f | 0.8387 | 0.9986 | 0.8202 | 0.9991 | 0.9995 | 0.7025 | 0.9876 | 0.4995 | 0.9892 | 0.9986 |
| Mean | 0.9121 | 0.9890 | 0.9210 | 0.9903 | 0.9996 | 0.8520 | 0.9622 | 0.8182 | 0.9343 | 0.9963 |
| Std | 0.0428 | 0.0047 | 0.0580 | 0.0054 | 0.0001 | 0.0939 | 0.0155 | 0.1611 | 0.0273 | 0.0018 |
), ArticleFig(id=1242150446983360568, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=表2, caption=
不同频域方法的决定系数R2
, figureFileSmall=null, figureFileBig=null, tableContent=
| 谱型 | m=3 | m=5 |
|---|
| W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 | W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 |
|---|
| a | 0.8798 | 0.9870 | 0.8711 | 0.9925 | 0.9996 | 0.9446 | 0.9426 | 0.7376 | 0.9323 | 0.9960 |
| b | 0.9637 | 0.9896 | 0.9636 | 0.9932 | 0.9997 | 0.9446 | 0.9645 | 0.9183 | 0.9450 | 0.9971 |
| c | 0.9148 | 0.9886 | 0.9714 | 0.9826 | 0.9994 | 0.7473 | 0.9667 | 0.9548 | 0.9109 | 0.9926 |
| d | 0.9210 | 0.9841 | 0.9223 | 0.9888 | 0.9996 | 0.8818 | 0.9434 | 0.8460 | 0.9147 | 0.9966 |
| e | 0.9548 | 0.9859 | 0.9772 | 0.9853 | 0.9997 | 0.8914 | 0.9681 | 0.9528 | 0.9138 | 0.9968 |
| f | 0.8387 | 0.9986 | 0.8202 | 0.9991 | 0.9995 | 0.7025 | 0.9876 | 0.4995 | 0.9892 | 0.9986 |
| Mean | 0.9121 | 0.9890 | 0.9210 | 0.9903 | 0.9996 | 0.8520 | 0.9622 | 0.8182 | 0.9343 | 0.9963 |
| Std | 0.0428 | 0.0047 | 0.0580 | 0.0054 | 0.0001 | 0.0939 | 0.0155 | 0.1611 | 0.0273 | 0.0018 |
), ArticleFig(id=1242150447071440957, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Tab.3, caption=
Error indexes EI for different frequency-domain methods
, figureFileSmall=null, figureFileBig=null, tableContent=
| 谱型 | m=3 | m=5 |
|---|
| W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 | W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 |
|---|
| a | 0.1330 | 0.0340 | 0.1112 | 0.0163 | 0.0076 | 0.1493 | 0.0774 | 0.1497 | 0.0678 | 0.0285 |
| b | 0.0898 | 0.0290 | 0.1474 | 0.0165 | 0.0062 | 0.0856 | 0.0487 | 0.0794 | 0.0553 | 0.0184 |
| c | 0.0638 | 0.0226 | 0.0462 | 0.0197 | 0.0064 | 0.0826 | 0.0468 | 0.0985 | 0.0551 | 0.0236 |
| d | 0.1042 | 0.0323 | 0.0838 | 0.0184 | 0.0070 | 0.1117 | 0.0648 | 0.1087 | 0.0649 | 0.0232 |
| e | 0.0709 | 0.0268 | 0.0491 | 0.0197 | 0.0058 | 0.0748 | 0.0427 | 0.0593 | 0.0561 | 0.0181 |
| f | 0.1385 | 0.0202 | 0.1739 | 0.0130 | 0.0089 | 0.1718 | 0.0586 | 0.2177 | 0.0488 | 0.0199 |
| Mean | 0.1000 | 0.0275 | 0.1019 | 0.0173 | 0.0070 | 0.1126 | 0.0565 | 0.1189 | 0.0580 | 0.0220 |
| Std | 0.0284 | 0.0049 | 0.0475 | 0.0023 | 0.0010 | 0.0363 | 0.0119 | 0.0522 | 0.0064 | 0.0036 |
), ArticleFig(id=1242150447167909954, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=表3, caption=
不同频域方法的误差指标EI
, figureFileSmall=null, figureFileBig=null, tableContent=
| 谱型 | m=3 | m=5 |
|---|
| W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 | W-L法 | DK法 | Z-B法 | T-B法 | 改进T-B法 |
|---|
| a | 0.1330 | 0.0340 | 0.1112 | 0.0163 | 0.0076 | 0.1493 | 0.0774 | 0.1497 | 0.0678 | 0.0285 |
| b | 0.0898 | 0.0290 | 0.1474 | 0.0165 | 0.0062 | 0.0856 | 0.0487 | 0.0794 | 0.0553 | 0.0184 |
| c | 0.0638 | 0.0226 | 0.0462 | 0.0197 | 0.0064 | 0.0826 | 0.0468 | 0.0985 | 0.0551 | 0.0236 |
| d | 0.1042 | 0.0323 | 0.0838 | 0.0184 | 0.0070 | 0.1117 | 0.0648 | 0.1087 | 0.0649 | 0.0232 |
| e | 0.0709 | 0.0268 | 0.0491 | 0.0197 | 0.0058 | 0.0748 | 0.0427 | 0.0593 | 0.0561 | 0.0181 |
| f | 0.1385 | 0.0202 | 0.1739 | 0.0130 | 0.0089 | 0.1718 | 0.0586 | 0.2177 | 0.0488 | 0.0199 |
| Mean | 0.1000 | 0.0275 | 0.1019 | 0.0173 | 0.0070 | 0.1126 | 0.0565 | 0.1189 | 0.0580 | 0.0220 |
| Std | 0.0284 | 0.0049 | 0.0475 | 0.0023 | 0.0010 | 0.0363 | 0.0119 | 0.0522 | 0.0064 | 0.0036 |
), ArticleFig(id=1242150447272767558, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Tab.4, caption=
Relative errors of different methods compared with RFC method (%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| m | WL | DK | ZB | TB | MTB |
|---|
| 3 | -5.16 | -5.63 | -5.66 | -5.40 | -1.79 |
| 4 | -9.26 | -6.73 | -7.27 | -9.74 | -3.09 |
| 5 | -13.08 | -7.17 | -7.96 | -12.35 | -3.74 |
| 6 | -16.61 | -7.01 | -7.99 | -13.63 | -3.56 |
), ArticleFig(id=1242150447373430859, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=表4, caption=
各方法计算结果相对于雨流法的相对误差(%,双模态功率谱时)
, figureFileSmall=null, figureFileBig=null, tableContent=
| m | WL | DK | ZB | TB | MTB |
|---|
| 3 | -5.16 | -5.63 | -5.66 | -5.40 | -1.79 |
| 4 | -9.26 | -6.73 | -7.27 | -9.74 | -3.09 |
| 5 | -13.08 | -7.17 | -7.96 | -12.35 | -3.74 |
| 6 | -16.61 | -7.01 | -7.99 | -13.63 | -3.56 |
), ArticleFig(id=1242150447461511250, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=EN, label=Tab.5, caption=
Relative errors of different methods compared with RFC method (%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| m | WL | DK | ZB | TB | MTB |
|---|
| 3 | 18.96 | -10.25 | 14.40 | -4.60 | -3.56 |
| 4 | 15.92 | -14.15 | 14.27 | -12.04 | -7.38 |
| 5 | 9.55 | -17.37 | 11.91 | -18.02 | -10.65 |
| 6 | 3.28 | -19.33 | 9.96 | -21.71 | -12.16 |
), ArticleFig(id=1242150447553785943, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1242150428041884201, language=CN, label=表5, caption=
各方法计算结果相对于雨流法的相对误差(%,三模态功率谱时)
, figureFileSmall=null, figureFileBig=null, tableContent=
| m | WL | DK | ZB | TB | MTB |
|---|
| 3 | 18.96 | -10.25 | 14.40 | -4.60 | -3.56 |
| 4 | 15.92 | -14.15 | 14.27 | -12.04 | -7.38 |
| 5 | 9.55 | -17.37 | 11.91 | -18.02 | -10.65 |
| 6 | 3.28 | -19.33 | 9.96 | -21.71 | -12.16 |
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