Computational study on aerodynamic mitigation of wind-induced, large-amplitude vibrations of stay cables with strakes
Modifications of circular cylinder surfaces, such as strakes and helical wires, effectively mitigate Kármán vortex-induced vibrations normal to flow and have been applied to the reduction of large-amplitude vibrations of stay cables in bridges, which occur under wind oblique to a cable with or witho...
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| Veröffentlicht in: | Journal of wind engineering and industrial aerodynamics 2011-04, Vol.99 (4), p.389-399 |
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| container_title | Journal of wind engineering and industrial aerodynamics |
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| creator | Yeo, DongHun Jones, Nicholas P. |
| description | Modifications of circular cylinder surfaces, such as strakes and helical wires, effectively mitigate Kármán vortex-induced vibrations normal to flow and have been applied to the reduction of large-amplitude vibrations of stay cables in bridges, which occur under wind oblique to a cable with or without rainfall. This aerodynamic control method cannot be fully effective without understanding the behavior of the flow around and the associated forces on oblique cables. To address this issue, flow around a yawed cylinder with various strake patterns was studied using three-dimensional detached eddy simulation (DES) at Reynolds number of 1.4×10
5. Results demonstrated that strake patterns strongly influence the development of flow structures around a yawed cylinder and therefore the associated forces on the cylinder. The results suggest that particular strake patterns can mitigate large-amplitude and low-frequency vibrations of stay cables induced by oblique wind. |
| doi_str_mv | 10.1016/j.jweia.2011.01.001 |
| format | Article |
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5. Results demonstrated that strake patterns strongly influence the development of flow structures around a yawed cylinder and therefore the associated forces on the cylinder. The results suggest that particular strake patterns can mitigate large-amplitude and low-frequency vibrations of stay cables induced by oblique wind.</description><identifier>ISSN: 0167-6105</identifier><identifier>EISSN: 1872-8197</identifier><identifier>DOI: 10.1016/j.jweia.2011.01.001</identifier><identifier>CODEN: JWEAD6</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Aerodynamic control ; Aerodynamics ; Applied sciences ; Bridges ; Buildings. Public works ; Cable vibration ; Cable-stayed bridge ; Cables ; Climatology and bioclimatics for buildings ; Cylinders ; Detached eddy simulation (DES) ; Exact sciences and technology ; Rainfall ; Reduction ; Strake effect ; Strakes ; Stresses. Safety ; Structural analysis. Stresses ; Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges ; Vibration ; Vortex-induced vibrations ; Yawed circular cylinder</subject><ispartof>Journal of wind engineering and industrial aerodynamics, 2011-04, Vol.99 (4), p.389-399</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-27169f126c956fbbd183ff8591c67f2d91fa74d119ef776dac1cb1203f6497883</citedby><cites>FETCH-LOGICAL-c398t-27169f126c956fbbd183ff8591c67f2d91fa74d119ef776dac1cb1203f6497883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jweia.2011.01.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3536,23910,23911,25119,27903,27904,45974</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24199548$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yeo, DongHun</creatorcontrib><creatorcontrib>Jones, Nicholas P.</creatorcontrib><title>Computational study on aerodynamic mitigation of wind-induced, large-amplitude vibrations of stay cables with strakes</title><title>Journal of wind engineering and industrial aerodynamics</title><description>Modifications of circular cylinder surfaces, such as strakes and helical wires, effectively mitigate Kármán vortex-induced vibrations normal to flow and have been applied to the reduction of large-amplitude vibrations of stay cables in bridges, which occur under wind oblique to a cable with or without rainfall. This aerodynamic control method cannot be fully effective without understanding the behavior of the flow around and the associated forces on oblique cables. To address this issue, flow around a yawed cylinder with various strake patterns was studied using three-dimensional detached eddy simulation (DES) at Reynolds number of 1.4×10
5. Results demonstrated that strake patterns strongly influence the development of flow structures around a yawed cylinder and therefore the associated forces on the cylinder. The results suggest that particular strake patterns can mitigate large-amplitude and low-frequency vibrations of stay cables induced by oblique wind.</description><subject>Aerodynamic control</subject><subject>Aerodynamics</subject><subject>Applied sciences</subject><subject>Bridges</subject><subject>Buildings. Public works</subject><subject>Cable vibration</subject><subject>Cable-stayed bridge</subject><subject>Cables</subject><subject>Climatology and bioclimatics for buildings</subject><subject>Cylinders</subject><subject>Detached eddy simulation (DES)</subject><subject>Exact sciences and technology</subject><subject>Rainfall</subject><subject>Reduction</subject><subject>Strake effect</subject><subject>Strakes</subject><subject>Stresses. Safety</subject><subject>Structural analysis. Stresses</subject><subject>Suspension bridges. Stayed girder bridges. Bascule bridges. 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Public works</topic><topic>Cable vibration</topic><topic>Cable-stayed bridge</topic><topic>Cables</topic><topic>Climatology and bioclimatics for buildings</topic><topic>Cylinders</topic><topic>Detached eddy simulation (DES)</topic><topic>Exact sciences and technology</topic><topic>Rainfall</topic><topic>Reduction</topic><topic>Strake effect</topic><topic>Strakes</topic><topic>Stresses. Safety</topic><topic>Structural analysis. Stresses</topic><topic>Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges</topic><topic>Vibration</topic><topic>Vortex-induced vibrations</topic><topic>Yawed circular cylinder</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yeo, DongHun</creatorcontrib><creatorcontrib>Jones, Nicholas P.</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>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Journal of wind engineering and industrial aerodynamics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yeo, DongHun</au><au>Jones, Nicholas P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Computational study on aerodynamic mitigation of wind-induced, large-amplitude vibrations of stay cables with strakes</atitle><jtitle>Journal of wind engineering and industrial aerodynamics</jtitle><date>2011-04-01</date><risdate>2011</risdate><volume>99</volume><issue>4</issue><spage>389</spage><epage>399</epage><pages>389-399</pages><issn>0167-6105</issn><eissn>1872-8197</eissn><coden>JWEAD6</coden><abstract>Modifications of circular cylinder surfaces, such as strakes and helical wires, effectively mitigate Kármán vortex-induced vibrations normal to flow and have been applied to the reduction of large-amplitude vibrations of stay cables in bridges, which occur under wind oblique to a cable with or without rainfall. This aerodynamic control method cannot be fully effective without understanding the behavior of the flow around and the associated forces on oblique cables. To address this issue, flow around a yawed cylinder with various strake patterns was studied using three-dimensional detached eddy simulation (DES) at Reynolds number of 1.4×10
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| identifier | ISSN: 0167-6105 |
| ispartof | Journal of wind engineering and industrial aerodynamics, 2011-04, Vol.99 (4), p.389-399 |
| issn | 0167-6105 1872-8197 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Aerodynamic control Aerodynamics Applied sciences Bridges Buildings. Public works Cable vibration Cable-stayed bridge Cables Climatology and bioclimatics for buildings Cylinders Detached eddy simulation (DES) Exact sciences and technology Rainfall Reduction Strake effect Strakes Stresses. Safety Structural analysis. Stresses Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges Vibration Vortex-induced vibrations Yawed circular cylinder |
| title | Computational study on aerodynamic mitigation of wind-induced, large-amplitude vibrations of stay cables with strakes |
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