Article(id=1228805177549975806, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805175335383281, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.04.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1695139200000, receivedDateStr=2023-09-20, revisedDate=1699545600000, revisedDateStr=2023-11-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1770899584423, onlineDateStr=2026-02-12, pubDate=1744214400000, pubDateStr=2025-04-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770899584423, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770899584423, creator=13701087609, updateTime=1770899584423, updator=13701087609, issue=Issue{id=1228805175335383281, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='4', pageStart='663', pageEnd='888', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770899583895, creator=13701087609, updateTime=1770901458539, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228813038325789525, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805175335383281, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228813038329983830, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805175335383281, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=731, endPage=738, ext={EN=ArticleExt(id=1228805177789051136, articleId=1228805177549975806, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Spectral geometry-incremental harmonic balance solutions for nonlinear vibrations of FGP beams, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A spectral geometry-incremental harmonic balance method(SGM-IHBM)is proposed to study the nonlinear vibration characteristics of functionally graded porous(FGP)beams with geometric nonlinearities. The geometrically nonlinear strain-displacement relationship of the beam structure is obtained according to the Von-Karman theory,and the Lagrange energy function of the FGP beam is derived based on the Timoshenko theory. The spectral geometric series are used to characterize each displacement component of the beam structure,and the linear modal components are introduced to establish the nonlinear reduced-order equations of the FGP beams,and then the incremental harmonic balance(IHB)method is used to trace the dynamical response solution of the reduced-order model of the FGP beams. The correctness of the nonlinear model in this paper is verified by comparing the SGM-IHBM solution with the literature solution,and then the effects of porosity,thickness,and excitation amplitude on the nonlinear vibration characteristics of FGP beams are analyzed.
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针对含几何非线性因素的功能梯度多孔(FGP)梁动力学问题,提出一种谱几何-增量谐波平衡法(SGM-IHBM)研究其非线性振动特性。根据von Karman理论获得梁结构的几何非线性应变-位移关系,基于Timoshenko理论推导FGP梁的拉格朗日能量泛函。使用谱几何级数表征梁结构的各位移分量,并引入线性模态分量建立FGP梁的非线性降阶方程,进而采用增量谐波平衡(IHB)法追踪FGP梁降阶模型的动力学响应解。通过SGM-IHBM解与文献解的对比验证了本文非线性模型的正确性,进而分析了孔隙率、厚度、激励幅值等对FGP梁非线性振动特性的影响。
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1.中南大学机电工程学院,湖南 长沙 410083)]), AuthorCompany(id=1229121417799856196, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, xref=2., ext=[AuthorCompanyExt(id=1229121417808244805, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, companyId=1229121417799856196, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.中南大学极端服役性能精准制造全国重点实验室,湖南 长沙 410083)])], figs=[ArticleFig(id=1229121419859259584, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 1, caption=
Schematic diagram of FGP beam structure, figureFileSmall=/MDKiUbkjmAY0dT2h2giQw==, figureFileBig=5QTu5lZaOOtucBrpc5wCNQ==, tableContent=null), ArticleFig(id=1229121419930562757, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图1, caption=
FGP梁结构示意图, figureFileSmall=/MDKiUbkjmAY0dT2h2giQw==, figureFileBig=5QTu5lZaOOtucBrpc5wCNQ==, tableContent=null), ArticleFig(id=1229121420035420362, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 2, caption=
Model of symmetric distributed FGP material, figureFileSmall=4YzeB+3OirqHAkPtIJP7CA==, figureFileBig=ArsCFvuv/UDporbSQ5xizQ==, tableContent=null), ArticleFig(id=1229121420157055184, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图2, caption=
对称分布FGP材料模型, figureFileSmall=4YzeB+3OirqHAkPtIJP7CA==, figureFileBig=ArsCFvuv/UDporbSQ5xizQ==, tableContent=null), ArticleFig(id=1229121420261912789, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 3, caption=
Convergence of the amplitude-frequency responses for a reduced-order model, figureFileSmall=hdD/945c2cenDCJ2bWZI7Q==, figureFileBig=WKQu+tHL58u/9riEKLjnUw==, tableContent=null), ArticleFig(id=1229121420345798871, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图3, caption=
降阶模型幅频响应的收敛性, figureFileSmall=hdD/945c2cenDCJ2bWZI7Q==, figureFileBig=WKQu+tHL58u/9riEKLjnUw==, tableContent=null), ArticleFig(id=1229121420438073564, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 4, caption=
Nonlinear amplitude-frequency characteristics of an isotropic beam, figureFileSmall=hh3iEtxgDLzTOMWTpAGDmg==, figureFileBig=G8yO3hK45CEPnMKy27GXZQ==, tableContent=null), ArticleFig(id=1229121420597457120, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图4, caption=
各向同性梁非线性幅频特性, figureFileSmall=hh3iEtxgDLzTOMWTpAGDmg==, figureFileBig=G8yO3hK45CEPnMKy27GXZQ==, tableContent=null), ArticleFig(id=1229121420698120419, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 5, caption=
Time-domain responses and phase plane for Ω/ω1=1.185, figureFileSmall=P4K8yGKk1Rj3dDZttgMiGw==, figureFileBig=HfUNPchDM31jHeF3dfwLGg==, tableContent=null), ArticleFig(id=1229121420798783721, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图5, caption=
Ω/ω1=1. 185的时域响应与相图, figureFileSmall=P4K8yGKk1Rj3dDZttgMiGw==, figureFileBig=HfUNPchDM31jHeF3dfwLGg==, tableContent=null), ArticleFig(id=1229121420895252719, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 6, caption=
Variation of nonlinear frequencies and modes of FGP beams with porosity parameter e0, figureFileSmall=m1AvUqCqr9hqgJjPyp17CQ==, figureFileBig=3jDKwhYREnJdjiBhnpdOag==, tableContent=null), ArticleFig(id=1229121420953972980, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图6, caption=
FGP梁非线性频率及模态随孔隙参数e0的变化, figureFileSmall=m1AvUqCqr9hqgJjPyp17CQ==, figureFileBig=3jDKwhYREnJdjiBhnpdOag==, tableContent=null), ArticleFig(id=1229121421050441978, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 7, caption=
Variation of nonlinear amplitude-frequency responses of FGP beams with thickness, figureFileSmall=FTrgtES9qBEFgVceedVPGQ==, figureFileBig=Kqn2YwkL3I0mWVaQDyKCmQ==, tableContent=null), ArticleFig(id=1229121421159493888, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图7, caption=
FGP梁非线性幅频响应随厚度的变化, figureFileSmall=FTrgtES9qBEFgVceedVPGQ==, figureFileBig=Kqn2YwkL3I0mWVaQDyKCmQ==, tableContent=null), ArticleFig(id=1229121421276934406, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 8, caption=
Variation of frequency and nonlinear amplitudefrequency responses of FGP beams with e0, figureFileSmall=pgPE0JpMJp43AGCW572mrg==, figureFileBig=n+2IlPrpTsOBh+Q6JTePdQ==, tableContent=null), ArticleFig(id=1229121421394374925, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图8, caption=
FGP梁的频率特性和非线性幅频响应随e0的变化, figureFileSmall=pgPE0JpMJp43AGCW572mrg==, figureFileBig=n+2IlPrpTsOBh+Q6JTePdQ==, tableContent=null), ArticleFig(id=1229121421495038229, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Fig. 9, caption=
Variation of nonlinear responses with the excitation amplitude F, figureFileSmall=Ovfz/MJT4C+jfx96+HFKtA==, figureFileBig=s/9hPYl6PapHvEryElueOQ==, tableContent=null), ArticleFig(id=1229121421599895832, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=图9, caption=
非线性响应随激励幅值F的变化, figureFileSmall=Ovfz/MJT4C+jfx96+HFKtA==, figureFileBig=s/9hPYl6PapHvEryElueOQ==, tableContent=null), ArticleFig(id=1229121421692170525, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Tab. 1, caption=
Comparison of dimensionless frequencies of FGP beams with different boundaries
, figureFileSmall=null, figureFileBig=null, tableContent=
| 边界 | L/h | 文献[14] | ANSYS[14] | 本文方法 |
|---|
| SS | 10 | 0.2798 | 0.2778 | 0.2803 |
| 50 | 0.0571 | 0.0571 | 0.0571 |
| CC | 10 | 0.5944 | 0.6101 | 0.5994 |
| 50 | 0.1291 | 0.1289 | 0.1292 |
| CS | 10 | 0.4242 | 0.4227 | 0.4263 |
| 50 | 0.0891 | 0.0891 | 0.0891 |
| CF | 10 | 0.1008 | 0.1007 | 0.1009 |
| 50 | 0.0204 | 0.0204 | 0.0204 |
), ArticleFig(id=1229121421776056607, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=表1, caption=
不同边界下FGP梁的无量纲频率比较
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| 边界 | L/h | 文献[14] | ANSYS[14] | 本文方法 |
|---|
| SS | 10 | 0.2798 | 0.2778 | 0.2803 |
| 50 | 0.0571 | 0.0571 | 0.0571 |
| CC | 10 | 0.5944 | 0.6101 | 0.5994 |
| 50 | 0.1291 | 0.1289 | 0.1292 |
| CS | 10 | 0.4242 | 0.4227 | 0.4263 |
| 50 | 0.0891 | 0.0891 | 0.0891 |
| CF | 10 | 0.1008 | 0.1007 | 0.1009 |
| 50 | 0.0204 | 0.0204 | 0.0204 |
), ArticleFig(id=1229121421872525604, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=EN, label=Tab. 2, caption=
Nonlinear frequency ratio ωnl/ω1 for isotropic beams with different boundaries
, figureFileSmall=null, figureFileBig=null, tableContent=
| wmax/R | SS边界 | CC边界 | CS边界 |
|---|
| 文献[17] | 文献[18] | 文献[19] | 本文方法 | 文献[17] | 文献[18] | 文献[19] | 本文方法 | 文献[17] | 文献[18] | 文献[19] | 本文方法 |
|---|
| 1 | 1.1192 | 1.1180 | 1.1180 | 1.1181 | 1.0303 | 1.0283 | 1.0295 | 1.0295 | 1.0592 | 1.0582 | 1.0641 | 1.0611 |
| 2 | 1.4180 | 1.4135 | 1.4141 | 1.4143 | 1.1152 | 1.1105 | 1.1127 | 1.1128 | 1.2179 | 1.2150 | 1.2318 | 1.2227 |
| 3 | 1.8092 | 1.8027 | 1.8026 | 1.8029 | 1.2419 | 1.2336 | 1.2377 | 1.2378 | 1.4402 | 1.4368 | 1.4603 | 1.4460 |
| 4 | 2.2451 | 2.2361 | 2.2359 | 2.2363 | 1.3983 | 1.3856 | 1.392 | 1.3921 | 1.6958 | 1.6822 | 1.721 | 1.7034 |
| 5 | — | 2.6925 | 2.6923 | 2.6928 | — | 1.5574 | 1.5659 | 1.5660 | — | 1.9180 | 1.999 | 1.9802 |
), ArticleFig(id=1229121421981577514, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805177549975806, language=CN, label=表2, caption=
不同边界下各向同性梁非线性频率比ωnl/ω1
, figureFileSmall=null, figureFileBig=null, tableContent=
| wmax/R | SS边界 | CC边界 | CS边界 |
|---|
| 文献[17] | 文献[18] | 文献[19] | 本文方法 | 文献[17] | 文献[18] | 文献[19] | 本文方法 | 文献[17] | 文献[18] | 文献[19] | 本文方法 |
|---|
| 1 | 1.1192 | 1.1180 | 1.1180 | 1.1181 | 1.0303 | 1.0283 | 1.0295 | 1.0295 | 1.0592 | 1.0582 | 1.0641 | 1.0611 |
| 2 | 1.4180 | 1.4135 | 1.4141 | 1.4143 | 1.1152 | 1.1105 | 1.1127 | 1.1128 | 1.2179 | 1.2150 | 1.2318 | 1.2227 |
| 3 | 1.8092 | 1.8027 | 1.8026 | 1.8029 | 1.2419 | 1.2336 | 1.2377 | 1.2378 | 1.4402 | 1.4368 | 1.4603 | 1.4460 |
| 4 | 2.2451 | 2.2361 | 2.2359 | 2.2363 | 1.3983 | 1.3856 | 1.392 | 1.3921 | 1.6958 | 1.6822 | 1.721 | 1.7034 |
| 5 | — | 2.6925 | 2.6923 | 2.6928 | — | 1.5574 | 1.5659 | 1.5660 | — | 1.9180 | 1.999 | 1.9802 |
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