Vibration frequency and lock-in bandwidth of tensioned, flexible cylinders experiencing vortex shedding
In-water vortex-induced vibration (VIV) tests of top-tensioned, flexible cylindrical structures were conducted at Shell Westhollow Technology Center current tank. These tests revealed that the top tension and structural stiffness (both lateral and axial) can have a significant impact on vibration fr...
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| Veröffentlicht in: | Journal of fluids and structures 2010-05, Vol.26 (4), p.602-610 |
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| container_title | Journal of fluids and structures |
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| creator | Lee, L. Allen, D. |
| description | In-water vortex-induced vibration (VIV) tests of top-tensioned, flexible cylindrical structures were conducted at Shell Westhollow Technology Center current tank. These tests revealed that the top tension and structural stiffness (both lateral and axial) can have a significant impact on vibration frequencies. During lock-in between the vortex-shedding frequency and the structure's natural frequency, the increase of the vibration frequency with flow speeds is strongly related to the rise of the axial tension. After an initial abrupt rise, the vibration frequency of a bending-stiffness-dominated structure only increased slightly during lock-in. Alternative explanations are provided on why the vibration frequency does not rise significantly but there can still exist a broad lock-in band, and why a more massive structure has a narrower lock-in bandwidth. |
| doi_str_mv | 10.1016/j.jfluidstructs.2010.02.002 |
| format | Article |
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Alternative explanations are provided on why the vibration frequency does not rise significantly but there can still exist a broad lock-in band, and why a more massive structure has a narrower lock-in bandwidth.</description><subject>Axial stress</subject><subject>Bandwidth</subject><subject>Exact sciences and technology</subject><subject>Flexible cylinder</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Lock-in band</subject><subject>Physics</subject><subject>Rotational flow and vorticity</subject><subject>Shells</subject><subject>Solid mechanics</subject><subject>Stiffness</subject><subject>Structural and continuum mechanics</subject><subject>Tanks</subject><subject>Tension</subject><subject>Vibration</subject><subject>Vibration frequency</subject><subject>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</subject><subject>Vortex-induced vibrations</subject><subject>Vortex-shedding</subject><issn>0889-9746</issn><issn>1095-8622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkMFuGyEURVGVSnXc_gNSFWXTcYCZYUBZVVbSRrKUTdstYuBh4-IZB3Bi_30YOarUXVboicN93IPQV0oWlFB-s11sXTh4m3I8mJwWjJQbwhaEsA9oRolsK8EZu0AzIoSsZNfwT-gypS0hRDY1naH1H99Hnf04YBfh6QCDOWE9WBxG87fyA-7L8OJt3uDR4QxDKijYb9gFOPo-ADan4AcLMWE47iH6kuCHNX4eY4YjThuwtsyf0UenQ4Ivb-cc_b6_-7X8Wa0efzwsv68qUwuZK9P0rO_Lv6WFThhuGiIc6J4LWjeSMgGmZY5Lw3ohO2hdW1NqWtuUlm0ju3qOrs-5-ziWNimrnU8GQtADjIekurbmXNTNRN6eSRPHlCI4tY9-p-NJUaImu2qr_rOrJruKMFXsltdXb3t0Mjq4qEvt9C-CMVET3k7c3ZmDUvrZQ1TJTIrA-ggmKzv6d-17BYdQmnE</recordid><startdate>20100501</startdate><enddate>20100501</enddate><creator>Lee, L.</creator><creator>Allen, D.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20100501</creationdate><title>Vibration frequency and lock-in bandwidth of tensioned, flexible cylinders experiencing vortex shedding</title><author>Lee, L. ; Allen, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-c4b2bb0959de78c6c408feab681349128ec52f69c2b897e5f5311c5d462254973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Axial stress</topic><topic>Bandwidth</topic><topic>Exact sciences and technology</topic><topic>Flexible cylinder</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Lock-in band</topic><topic>Physics</topic><topic>Rotational flow and vorticity</topic><topic>Shells</topic><topic>Solid mechanics</topic><topic>Stiffness</topic><topic>Structural and continuum mechanics</topic><topic>Tanks</topic><topic>Tension</topic><topic>Vibration</topic><topic>Vibration frequency</topic><topic>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</topic><topic>Vortex-induced vibrations</topic><topic>Vortex-shedding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, L.</creatorcontrib><creatorcontrib>Allen, D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of fluids and structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, L.</au><au>Allen, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vibration frequency and lock-in bandwidth of tensioned, flexible cylinders experiencing vortex shedding</atitle><jtitle>Journal of fluids and structures</jtitle><date>2010-05-01</date><risdate>2010</risdate><volume>26</volume><issue>4</issue><spage>602</spage><epage>610</epage><pages>602-610</pages><issn>0889-9746</issn><eissn>1095-8622</eissn><coden>JFSTEF</coden><abstract>In-water vortex-induced vibration (VIV) tests of top-tensioned, flexible cylindrical structures were conducted at Shell Westhollow Technology Center current tank. These tests revealed that the top tension and structural stiffness (both lateral and axial) can have a significant impact on vibration frequencies. During lock-in between the vortex-shedding frequency and the structure's natural frequency, the increase of the vibration frequency with flow speeds is strongly related to the rise of the axial tension. After an initial abrupt rise, the vibration frequency of a bending-stiffness-dominated structure only increased slightly during lock-in. Alternative explanations are provided on why the vibration frequency does not rise significantly but there can still exist a broad lock-in band, and why a more massive structure has a narrower lock-in bandwidth.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.jfluidstructs.2010.02.002</doi><tpages>9</tpages></addata></record> |
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| ispartof | Journal of fluids and structures, 2010-05, Vol.26 (4), p.602-610 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Axial stress Bandwidth Exact sciences and technology Flexible cylinder Fluid dynamics Fluid flow Fundamental areas of phenomenology (including applications) Lock-in band Physics Rotational flow and vorticity Shells Solid mechanics Stiffness Structural and continuum mechanics Tanks Tension Vibration Vibration frequency Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vortex-induced vibrations Vortex-shedding |
| title | Vibration frequency and lock-in bandwidth of tensioned, flexible cylinders experiencing vortex shedding |
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