Vortex-induced vibrations of two side-by-side cylinders of different diameters in steady incompressible flow are studied. The diameter ratio of cylinders is fixed at 0.1. The Reynolds number is fixed at 5000 based on the large cylinder diameter and free stream velocity. A Petrov-Galerkin finite element method is used to solve the two dimensional Reynolds-averaged Navier Stokes equations using the Arbitrary Lagrangian Eulerian scheme with a SST k-ω turbulence model closure. The numerical method has been validated against available experimental results. Then, the effects of natural frequencies of the cylinders on the vibration amplitude and vortex shedding regimes are investigated. It is found that for the range of considered parameters, collision of the cylinders is dependent on the difference of the natural frequencies of the cylinders.
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ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
July 1–6, 2012
Rio de Janeiro, Brazil
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4491-5
PROCEEDINGS PAPER
Vortex-Induced Vibration of Two Side-by-Side Circular Cylinders of Different Diameters in Close Proximity in Steady Flow Available to Purchase
Mehran Rahmanian,
Mehran Rahmanian
University of Western Australia, Crawley, WA, Australia
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Liang Cheng,
Liang Cheng
University of Western Australia, Crawley, WA, Australia
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Ming Zhao,
Ming Zhao
University of Western Sydney, Penrith, NSW, Australia
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Tongming Zhou
Tongming Zhou
University of Western Australia, Crawley, WA, Australia
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Mehran Rahmanian
University of Western Australia, Crawley, WA, Australia
Liang Cheng
University of Western Australia, Crawley, WA, Australia
Ming Zhao
University of Western Sydney, Penrith, NSW, Australia
Tongming Zhou
University of Western Australia, Crawley, WA, Australia
Paper No:
OMAE2012-83223, pp. 309-316; 8 pages
Published Online:
August 23, 2013
Citation
Rahmanian, M, Cheng, L, Zhao, M, & Zhou, T. "Vortex-Induced Vibration of Two Side-by-Side Circular Cylinders of Different Diameters in Close Proximity in Steady Flow." Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 4: Offshore Geotechnics; Ronald W. Yeung Honoring Symposium on Offshore and Ship Hydrodynamics. Rio de Janeiro, Brazil. July 1–6, 2012. pp. 309-316. ASME. https://doi.org/10.1115/OMAE2012-83223
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