Modeling unbalanced rotor system with continuous viscoelastic shaft by frequency-dependent shape function
A reduced-order dynamic model for an unbalanced rotor system is developed, taking the coupling between torsional and lateral vibrations into account. It is assumed that a shaft is regarded as a continuous viscoelastic shaft with unbalanced and small deformation properties. The equations of motion fo...
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| Veröffentlicht in: | Journal of Central South University 2013-12, Vol.20 (12), p.3421-3430 |
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| container_issue | 12 |
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| container_title | Journal of Central South University |
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| creator | 王书翰 郭伟 徐向阳 刘艳芳 黎文勇 |
| description | A reduced-order dynamic model for an unbalanced rotor system is developed, taking the coupling between torsional and lateral vibrations into account. It is assumed that a shaft is regarded as a continuous viscoelastic shaft with unbalanced and small deformation properties. The equations of motion for the torsional and lateral vibrations are derived using Lagrange＇s approach with the frequency-dependent shape function. The rotor torsional vibration is coupled with the lateral vibrations by unbalance elements in a way of excitations. Simulation and experiment results show clearly that the torsional vibration has strong impact on the rotor lateral vibrations, and it causes subharmonic and superharmonic excitations through unbalance elements, which leads to the superharmonic resonances in the lateral vibrations. This model with low-order and high accuracy is suitable for rotor dynamic analysis in real time simulation as well as for active vibration control syntheses. |
| doi_str_mv | 10.1007/s11771-013-1866-3 |
| format | Article |
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It is assumed that a shaft is regarded as a continuous viscoelastic shaft with unbalanced and small deformation properties. The equations of motion for the torsional and lateral vibrations are derived using Lagrange＇s approach with the frequency-dependent shape function. The rotor torsional vibration is coupled with the lateral vibrations by unbalance elements in a way of excitations. Simulation and experiment results show clearly that the torsional vibration has strong impact on the rotor lateral vibrations, and it causes subharmonic and superharmonic excitations through unbalance elements, which leads to the superharmonic resonances in the lateral vibrations. This model with low-order and high accuracy is suitable for rotor dynamic analysis in real time simulation as well as for active vibration control syntheses.</description><identifier>ISSN: 2095-2899</identifier><identifier>EISSN: 2227-5223</identifier><identifier>DOI: 10.1007/s11771-013-1866-3</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Engineering ; Metallic Materials ; 不平衡 ; 弹性轴 ; 形函数 ; 扭转振动 ; 横向振动 ; 率相关 ; 转子系统 ; 造型</subject><ispartof>Journal of Central South University, 2013-12, Vol.20 (12), p.3421-3430</ispartof><rights>Central South University Press and Springer-Verlag Berlin Heidelberg 2013</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-7758c7b908535a1b135a524fb7fb3911bdb3b5d64bd3d66b1be359825bd4b2e73</citedby><cites>FETCH-LOGICAL-c350t-7758c7b908535a1b135a524fb7fb3911bdb3b5d64bd3d66b1be359825bd4b2e73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85521A/85521A.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11771-013-1866-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11771-013-1866-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>王书翰 郭伟 徐向阳 刘艳芳 黎文勇</creatorcontrib><title>Modeling unbalanced rotor system with continuous viscoelastic shaft by frequency-dependent shape function</title><title>Journal of Central South University</title><addtitle>J. Cent. South Univ</addtitle><addtitle>Journal of Central South University of Technology</addtitle><description>A reduced-order dynamic model for an unbalanced rotor system is developed, taking the coupling between torsional and lateral vibrations into account. It is assumed that a shaft is regarded as a continuous viscoelastic shaft with unbalanced and small deformation properties. The equations of motion for the torsional and lateral vibrations are derived using Lagrange＇s approach with the frequency-dependent shape function. The rotor torsional vibration is coupled with the lateral vibrations by unbalance elements in a way of excitations. Simulation and experiment results show clearly that the torsional vibration has strong impact on the rotor lateral vibrations, and it causes subharmonic and superharmonic excitations through unbalance elements, which leads to the superharmonic resonances in the lateral vibrations. This model with low-order and high accuracy is suitable for rotor dynamic analysis in real time simulation as well as for active vibration control syntheses.</description><subject>Engineering</subject><subject>Metallic Materials</subject><subject>不平衡</subject><subject>弹性轴</subject><subject>形函数</subject><subject>扭转振动</subject><subject>横向振动</subject><subject>率相关</subject><subject>转子系统</subject><subject>造型</subject><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKxDAUhosoKOoDuItriebSNM1SxBuMuNF1yK2dyJiMSarWpzfDiO7c5ATO_50P_qY5wegcI8QvMsacY4gwhbjvOkh3mgNCCIeMELpb_0gwSHoh9pvjnL1GFJOOdqI7aPxDtG7lwwimoNVKBeMsSLHEBPKci3sFH74sgYmh-DDFKYN3n010K5WLNyAv1VCAnsGQ3NvkgpmhdWsXrAtls1w7MEzBFB_DUbM3qFV2xz_zsHm-uX66uoOLx9v7q8sFNJShAjlnveFaoJ5RprDG9WWkHTQfNBUYa6upZrZrtaW26zTWjjLRE6Ztq4nj9LA52979UGFQYZQvcUqhGuVXGGf7-amlI7UqTBASNY23aZNizskNcp38q0qzxEhuypXbcmUl5KZcSStDtkyu2TC69Kf4Dzr9ES1jGN8q92tqe9aKmqffln6Kew</recordid><startdate>20131201</startdate><enddate>20131201</enddate><creator>王书翰 郭伟 徐向阳 刘艳芳 黎文勇</creator><general>Springer Berlin Heidelberg</general><general>School of Transportation Science and Engineering, Beihang University, Beijing 100191, China%ITI GmbH, Dresden 01067, Germany</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</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>20131201</creationdate><title>Modeling unbalanced rotor system with continuous viscoelastic shaft by frequency-dependent shape function</title><author>王书翰 郭伟 徐向阳 刘艳芳 黎文勇</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-7758c7b908535a1b135a524fb7fb3911bdb3b5d64bd3d66b1be359825bd4b2e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Engineering</topic><topic>Metallic Materials</topic><topic>不平衡</topic><topic>弹性轴</topic><topic>形函数</topic><topic>扭转振动</topic><topic>横向振动</topic><topic>率相关</topic><topic>转子系统</topic><topic>造型</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>王书翰 郭伟 徐向阳 刘艳芳 黎文勇</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</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>Journal of Central South University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>王书翰 郭伟 徐向阳 刘艳芳 黎文勇</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling unbalanced rotor system with continuous viscoelastic shaft by frequency-dependent shape function</atitle><jtitle>Journal of Central South University</jtitle><stitle>J. Cent. South Univ</stitle><addtitle>Journal of Central South University of Technology</addtitle><date>2013-12-01</date><risdate>2013</risdate><volume>20</volume><issue>12</issue><spage>3421</spage><epage>3430</epage><pages>3421-3430</pages><issn>2095-2899</issn><eissn>2227-5223</eissn><abstract>A reduced-order dynamic model for an unbalanced rotor system is developed, taking the coupling between torsional and lateral vibrations into account. It is assumed that a shaft is regarded as a continuous viscoelastic shaft with unbalanced and small deformation properties. The equations of motion for the torsional and lateral vibrations are derived using Lagrange＇s approach with the frequency-dependent shape function. The rotor torsional vibration is coupled with the lateral vibrations by unbalance elements in a way of excitations. Simulation and experiment results show clearly that the torsional vibration has strong impact on the rotor lateral vibrations, and it causes subharmonic and superharmonic excitations through unbalance elements, which leads to the superharmonic resonances in the lateral vibrations. This model with low-order and high accuracy is suitable for rotor dynamic analysis in real time simulation as well as for active vibration control syntheses.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11771-013-1866-3</doi><tpages>10</tpages></addata></record> |
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| ispartof | Journal of Central South University, 2013-12, Vol.20 (12), p.3421-3430 |
| issn | 2095-2899 2227-5223 |
| language | eng |
| recordid | cdi_wanfang_journals_zngydxxb_e201312009 |
| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Engineering Metallic Materials 不平衡 弹性轴 形函数 扭转振动 横向振动 率相关 转子系统 造型 |
| title | Modeling unbalanced rotor system with continuous viscoelastic shaft by frequency-dependent shape function |
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