Dinh Tung Nguyen
Computational studies on pressure distribution around a bending 5:1 rectangular cylinder
Nguyen, Dinh Tung; Hargreaves, David; Owen, John
Authors
DAVID HARGREAVES DAVID.HARGREAVES@NOTTINGHAM.AC.UK
Associate Professor
Dr JOHN OWEN JOHN.OWEN@NOTTINGHAM.AC.UK
Associate Professor
Abstract
This paper describes the development and testing of a numerical model, based around the Large Eddy Simulation model, of a flexible 5:1 rectangular cylinder. We report on the vortex-induced vibration (VIV) of the bending cylinder, which is an analogue for a flexible bridge deck. Compared with a 3D heaving sectional model, distinct differences in surface pressure distributions and Strouhal number in the span-wise direction were found. In addition, certain span-wise flow features were thought to trigger the lock-in when the flexible model underwent the bending VIV response.
Citation
Nguyen, D. T., Hargreaves, D., & Owen, J. (2016). Computational studies on pressure distribution around a bending 5:1 rectangular cylinder.
Conference Name | 8th International Colloquium on Bluff Body Aerodynamics and Applications |
---|---|
End Date | Jun 11, 2016 |
Acceptance Date | Mar 9, 2016 |
Publication Date | Jun 11, 2016 |
Deposit Date | Aug 12, 2016 |
Publicly Available Date | Aug 12, 2016 |
Peer Reviewed | Peer Reviewed |
Keywords | Bridge aeroelasticity, 5:1 ratio, Rectangular cylinder, Pressure distribution, CFD, Fluid-structure interation |
Public URL | https://nottingham-repository.worktribe.com/output/795630 |
Files
BBAA-VIII_Computational.pdf
(1.3 Mb)
PDF
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