Article(id=1241394830820044937, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241394830056681606, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.05.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1691510400000, receivedDateStr=2023-08-09, revisedDate=1701014400000, revisedDateStr=2023-11-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1773901191668, onlineDateStr=2026-03-19, pubDate=1747238400000, pubDateStr=2025-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773901191668, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773901191668, creator=13701087609, updateTime=1773901191668, updator=13701087609, issue=Issue{id=1241394830056681606, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='5', pageStart='1', pageEnd='158', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773901191486, creator=13701087609, updateTime=1773901239759, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241395032599613636, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241394830056681606, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241395032599613637, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241394830056681606, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=46, endPage=54, ext={EN=ArticleExt(id=1241394831038148748, articleId=1241394830820044937, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Research on nonlinear dynamics of marine rotor-bearing system under complex transport motions, columnId=1228282191914926752, journalTitle=Journal of Mechanical Strength, columnName=Vibration·Noise·Monitoring·Diagnosis, runingTitle=null, highlight=null, articleAbstract=
In order to reveal the nonlinear dynamics behavior of the marine rotor-bearing system under complex transport motions (heaving, swaying, yawing and pitching), the dynamical model of the rotor-bearing system with the nonlinear oil film force and transport inertial forces was built based on, Lagrange’s equation.The effects of the rotating speed and transport motion parameters on the nonlinear dynamics behaviors of the system were mainly analyzed. The results show that the amplitude and oil film whirl interval of the system are larger when considering the coupling motion of heaving, swaying,yawing and pitching than those when not considering this motion. Affected by the coupled transport motion, the rotor will deflect obviously at a lower speed. At a certain rotational speed, with the increase of heaving amplitude, swaying frequency or swaying amplitude, the amplitude jump phenomenon caused by the oil whirl appears in the vibration response of the system,and the motion state of the system undergoes quasi-periodic and chaos. With the increase of swaying frequency, yawing amplitude, yawing frequency, pitching amplitude or pitching frequency, the system is always in a quasi-periodic vibration state,but the vibration amplitude of the rotor increases in varying degrees.
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为揭示复杂牵连运动(垂荡、横荡、艏摇和纵摇)下船用转子-轴承系统的非线性动力学行为,基于Lagrange方程建立了包含非线性油膜力和牵连惯性力的转子-轴承系统的动力学模型。主要分析了转子转速和牵连运动参数对系统非线性动力学行为的影响。结果表明,考虑垂荡、横荡、艏摇、纵摇耦合运动后,比不考虑此运动时系统的振幅及油膜涡动区间要大;受耦合牵连运动的影响,转子会在较低转速下发生明显偏转;在一定转速下,随着垂荡幅值、横荡频率或横荡幅值的增加,系统振动响应出现由油膜涡动引起的幅值突跳现象,系统运动状态历经准周期和混沌,而随横荡频率、艏摇幅值、艏摇频率、纵摇幅值或纵摇频率的增加,系统始终处于准周期振动状态,但转子的振动幅值有不同程度的增大。
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, authorsList=杜宝祥, 李明)}, authors=[Author(id=1241400388994257057, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=442309082@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241400389090726058, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, authorId=1241400388994257057, language=EN, stringName=Baoxiang DU, firstName=Baoxiang, middleName=null, lastName=DU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Department of Mechanics, School of Science, Xi’an University of Science and Technology, Xi’an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241400390592286898, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, authorId=1241400388994257057, language=CN, stringName=杜宝祥, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=西安科技大学 理学院 力学系,西安 710054, bio={"content":"
杜宝祥,男,1996年生,山东滕州人,硕士研究生;主要研究方向为转子动力学;E-mail:442309082@qq.com。
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杜宝祥,男,1996年生,山东滕州人,硕士研究生;主要研究方向为转子动力学;E-mail:442309082@qq.com。
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2019(1):7683952., articleTitle=Nonlinear dynamic characteristics of marine rotor-bearing system under heaving motion, refAbstract=null)], funds=[Fund(id=1241400395327656324, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, awardId=11972282, language=EN, fundingSource=National Natural Science Foundation of China(11972282), fundOrder=null, country=null), Fund(id=1241400395415736713, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, awardId=11972282, language=CN, fundingSource=国家自然科学基金项目(11972282), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241400388901982361, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, xref=null, ext=[AuthorCompanyExt(id=1241400388906176666, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, companyId=1241400388901982361, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Department of Mechanics, School of Science, Xi’an University of Science and Technology, Xi’an 710054, China), AuthorCompanyExt(id=1241400388910370972, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, companyId=1241400388901982361, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西安科技大学 理学院 力学系,西安 710054)])], figs=[ArticleFig(id=1241400391842189559, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.1, caption=
Schematic diagram of the marine rotor-bearing system under the transport motion, figureFileSmall=DdUksHbMdA/Py3o1HZXwCw==, figureFileBig=VQpw7nEZR5DlzfLwQsvF+Q==, tableContent=null), ArticleFig(id=1241400391955435772, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图1, caption=
牵连运动下船用转子-轴承系统示意图, figureFileSmall=DdUksHbMdA/Py3o1HZXwCw==, figureFileBig=VQpw7nEZR5DlzfLwQsvF+Q==, tableContent=null), ArticleFig(id=1241400392060293379, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.2, caption=
Bifurcation diagram and spectrum waterfall diagram of the system(exchuding ship motions), figureFileSmall=mkBZoap3IlvREl0UFsG+bQ==, figureFileBig=1K6osqRjMPZy5FPw6ge2sw==, tableContent=null), ArticleFig(id=1241400392160956682, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图2, caption=
系统的分岔图和频谱瀑布图(不考虑船舶的运动), figureFileSmall=mkBZoap3IlvREl0UFsG+bQ==, figureFileBig=1K6osqRjMPZy5FPw6ge2sw==, tableContent=null), ArticleFig(id=1241400392270008594, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.3, caption=
Axis orbit and Poincaré section of the system under different speeds, figureFileSmall=LIp7yzVDg8rqWKq86IlKOg==, figureFileBig=20V3jTeucfbZ1JtYMP9oIw==, tableContent=null), ArticleFig(id=1241400392383254811, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图3, caption=
不同转速下系统的轴心轨迹及庞加莱截面, figureFileSmall=LIp7yzVDg8rqWKq86IlKOg==, figureFileBig=20V3jTeucfbZ1JtYMP9oIw==, tableContent=null), ArticleFig(id=1241400392500695335, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.4, caption=
Bifurcation diagram and spectrum waterfall diagram of the system(corsidering ship motions), figureFileSmall=VwaN+2lZBmNBJptN7ATGGw==, figureFileBig=Q7Rn8ysb95pNlFVOk3eZsQ==, tableContent=null), ArticleFig(id=1241400392597164334, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图4, caption=
系统的分岔图和频谱瀑布图(考虑船舶运动), figureFileSmall=VwaN+2lZBmNBJptN7ATGGw==, figureFileBig=Q7Rn8ysb95pNlFVOk3eZsQ==, tableContent=null), ArticleFig(id=1241400392710410551, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.5, caption=
Steady-state response of the system under different speeds, figureFileSmall=Tq5gh51Vd0NPZEjPgBhW4Q==, figureFileBig=3/8+u1ZZteSQF4KA2UJ1Ow==, tableContent=null), ArticleFig(id=1241400392802685248, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图5, caption=
不同转速下系统的稳态响应, figureFileSmall=Tq5gh51Vd0NPZEjPgBhW4Q==, figureFileBig=3/8+u1ZZteSQF4KA2UJ1Ow==, tableContent=null), ArticleFig(id=1241400392894959940, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.6, caption=
Relation of system vibration amplitudes with speeds, figureFileSmall=5XJc0KgF6eGhainTNyUs5w==, figureFileBig=ZsZlOy4p9GFdJBCpf1xYqQ==, tableContent=null), ArticleFig(id=1241400392999817547, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图6, caption=
系统振幅和转速关系, figureFileSmall=5XJc0KgF6eGhainTNyUs5w==, figureFileBig=ZsZlOy4p9GFdJBCpf1xYqQ==, tableContent=null), ArticleFig(id=1241400393108869456, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.7, caption=
Variation curves of the system amplitude varying with the rotor speed increasel decrease, figureFileSmall=4yWtC1TZHoaJAfH5qNLJjA==, figureFileBig=mypx0r0+owxBat4gZP57HA==, tableContent=null), ArticleFig(id=1241400393196949845, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图7, caption=
系统振幅随转子升降速变化曲线, figureFileSmall=4yWtC1TZHoaJAfH5qNLJjA==, figureFileBig=mypx0r0+owxBat4gZP57HA==, tableContent=null), ArticleFig(id=1241400393268253017, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Fig.8, caption=
Bifurcation diagram of the system displacement changing with parameters of the transport motion, figureFileSmall=ChPyJhg3HM+lKqMQFHLNxg==, figureFileBig=y9U9O6MniGl0QO4baOOF+w==, tableContent=null), ArticleFig(id=1241400393347944800, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=图8, caption=
系统位移随牵连运动参数变化的分岔图, figureFileSmall=ChPyJhg3HM+lKqMQFHLNxg==, figureFileBig=y9U9O6MniGl0QO4baOOF+w==, tableContent=null), ArticleFig(id=1241400393465385318, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Tab.1, caption=
Dimension one parameters of the system
, figureFileSmall=null, figureFileBig=null, tableContent=
| 量纲一参数Dimension one parameter | 表达式Expression | 量纲一参数Dimension one parameter | 表达式Expression |
|---|
| 时间Time τ | τ=ωt | 纵摇频率比Pitching frequency ratio ηP | ηP=ΩP/Ω |
| 偏心距Eccentricity α | α=e/c | 垂荡幅值Heaving amplitude AH | AH=aH/c |
| 转子转速Rotor speed Ω |  | 横荡幅值Swaying amplitude AS | AS=aS/c |
| 垂荡频率Heaving frequency ΩH |  | X向位移X⁃direction displacement X | X=x/c |
| 横荡频率Swaying frequency ΩS |  | Y向位移Y⁃direction displacement Y | Y=y/c |
| 艏摇频率Yawing frequency ΩY |  | Sommerfeld数Sommerfeld number σ |  |
| 纵摇频率Pitching frequency ΩP |  | 油膜力Oil film force fi | fi=Fi/(mg), i=x,y |
| 垂荡频率比Heave frequency ratio ηH | ηH=ΩH/Ω | 转子1/2长度1/2 length of the rotor L | L=l/c |
| 横荡频率比Swaying frequency ratio ηS | ηS=ΩS/Ω | 长径比 Aspect ratio λ | λ=B/(2R) |
| 艏摇频率比Yawing frequency ratio ηY | ηY=ΩY/Ω | 惯性半径Radius of inertia ρi | , i=1,2 |
), ArticleFig(id=1241400393561854317, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=表1, caption=
系统的量纲一参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 量纲一参数Dimension one parameter | 表达式Expression | 量纲一参数Dimension one parameter | 表达式Expression |
|---|
| 时间Time τ | τ=ωt | 纵摇频率比Pitching frequency ratio ηP | ηP=ΩP/Ω |
| 偏心距Eccentricity α | α=e/c | 垂荡幅值Heaving amplitude AH | AH=aH/c |
| 转子转速Rotor speed Ω |  | 横荡幅值Swaying amplitude AS | AS=aS/c |
| 垂荡频率Heaving frequency ΩH |  | X向位移X⁃direction displacement X | X=x/c |
| 横荡频率Swaying frequency ΩS |  | Y向位移Y⁃direction displacement Y | Y=y/c |
| 艏摇频率Yawing frequency ΩY |  | Sommerfeld数Sommerfeld number σ |  |
| 纵摇频率Pitching frequency ΩP |  | 油膜力Oil film force fi | fi=Fi/(mg), i=x,y |
| 垂荡频率比Heave frequency ratio ηH | ηH=ΩH/Ω | 转子1/2长度1/2 length of the rotor L | L=l/c |
| 横荡频率比Swaying frequency ratio ηS | ηS=ΩS/Ω | 长径比 Aspect ratio λ | λ=B/(2R) |
| 艏摇频率比Yawing frequency ratio ηY | ηY=ΩY/Ω | 惯性半径Radius of inertia ρi | , i=1,2 |
), ArticleFig(id=1241400393670906230, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=EN, label=Tab.2, caption=
Values of dimension one parameters of the rotor system
, figureFileSmall=null, figureFileBig=null, tableContent=
| 量纲一参数Dimension one parameter | 值Value |
|---|
| 长径比Aspect ratio λ | 0.2 |
| Sommerfeld数Sommerfeld number σ | 3 |
| 偏心距Eccentricity α | 0.05 |
| 转子1/2长度1/2 length of the rotor L | 22 |
圆盘对纵轴的惯性半径 Inertia radius of the disk to the longitudinal axis ρ1 | 10 |
圆盘对横轴的惯性半径 Inertia radius of the disk to the horizontal axis ρ2 | 12 |
), ArticleFig(id=1241400395143106938, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241394830820044937, language=CN, label=表2, caption=
转子系统的量纲一参数取值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 量纲一参数Dimension one parameter | 值Value |
|---|
| 长径比Aspect ratio λ | 0.2 |
| Sommerfeld数Sommerfeld number σ | 3 |
| 偏心距Eccentricity α | 0.05 |
| 转子1/2长度1/2 length of the rotor L | 22 |
圆盘对纵轴的惯性半径 Inertia radius of the disk to the longitudinal axis ρ1 | 10 |
圆盘对横轴的惯性半径 Inertia radius of the disk to the horizontal axis ρ2 | 12 |
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