2020
DOI: 10.3390/app10227996
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Comparison of Two-Dimensional and Three- Dimensional Responses for Vortex-Induced Vibrations of a Rectangular Prism

Abstract: The accurate prediction of the amplitudes of vortex-induced vibrations (VIV) is important in wind-resistant design. Wind tunnel tests of scaled section models have been commonly used. However, the amplitude prediction processes were usually inaccurate because of insufficient evaluations of three-dimensional (3D) effects. This study presents experimental measurements of VIV responses in a prototype rectangular prism and its 1:1 two-dimensional section model in smooth flow. The results show that the section mode… Show more

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“…Zhao et al (2016) [7] investigated the impact of the gap ratio on the cylinders' response in depth and discovered that for all of the computed gap ratios in the tandem configuration, the maximum amplitude is larger than that of a single cylinder. Zhou et al (2020) [8] conducted experiments to compare the influence of twodimensional and three-dimensional analysis on the calculation results of VIV responses of rectangular prisms, and discovered that the three-dimensional result is 1.2 times that of the two-dimensional, and that the three-dimensional modal effect and span-wise correlation are important factors. Over a wide range of decreased velocity, Badhurshah et al (2021) [9] simulated VIV using linear springs as well as bistable springs with two distinct inter-well separations.…”
Section: Introductionmentioning
confidence: 99%
“…Zhao et al (2016) [7] investigated the impact of the gap ratio on the cylinders' response in depth and discovered that for all of the computed gap ratios in the tandem configuration, the maximum amplitude is larger than that of a single cylinder. Zhou et al (2020) [8] conducted experiments to compare the influence of twodimensional and three-dimensional analysis on the calculation results of VIV responses of rectangular prisms, and discovered that the three-dimensional result is 1.2 times that of the two-dimensional, and that the three-dimensional modal effect and span-wise correlation are important factors. Over a wide range of decreased velocity, Badhurshah et al (2021) [9] simulated VIV using linear springs as well as bistable springs with two distinct inter-well separations.…”
Section: Introductionmentioning
confidence: 99%