Coupled delayed-detached-eddy simulation and structural vibration of a self-oscillating cylinder due to vortex-shedding

Abe H. Lee; Robert L. Campbell; Stephen A. Hambric

doi:10.1016/j.jfluidstructs.2014.02.019

Coupled delayed-detached-eddy simulation and structural vibration of a self-oscillating cylinder due to vortex-shedding

Abe H. Lee, Robert L. Campbell, Stephen A. Hambric

Applied Research Laboratory (ARL)

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The flow past a rigid-fixed cylinder and a self-oscillating cylinder is simulated at Re=5000. The finite-volume based CFD package OpenFOAM is used for flow computations for a rigid-fixed cylinder. Extensive mesh convergence and time-step studies are conducted for a cylinder span of 2. D (twice the diameter). Spanwise-pressure correlations and spectral calculations are conducted using longer cylinder span lengths: 4. D, 8. D and 16. D. As the cylinder span size increases, better spanwise correlations are obtained. For a self-oscillating cylinder, the numerical approach that tightly couples DDES and FEA based on a fixed point iteration is used to predict the amplitude response and drag in a lock-in condition. The results of the rigid-fixed and self-oscillating cylinder computations compare favorably with experimental data.

Original language	English (US)
Pages (from-to)	216-234
Number of pages	19
Journal	Journal of Fluids and Structures
Volume	48
DOIs	https://doi.org/10.1016/j.jfluidstructs.2014.02.019
State	Published - Jul 2014

All Science Journal Classification (ASJC) codes

Mechanical Engineering

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10.1016/j.jfluidstructs.2014.02.019

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title = "Coupled delayed-detached-eddy simulation and structural vibration of a self-oscillating cylinder due to vortex-shedding",

abstract = "The flow past a rigid-fixed cylinder and a self-oscillating cylinder is simulated at Re=5000. The finite-volume based CFD package OpenFOAM is used for flow computations for a rigid-fixed cylinder. Extensive mesh convergence and time-step studies are conducted for a cylinder span of 2. D (twice the diameter). Spanwise-pressure correlations and spectral calculations are conducted using longer cylinder span lengths: 4. D, 8. D and 16. D. As the cylinder span size increases, better spanwise correlations are obtained. For a self-oscillating cylinder, the numerical approach that tightly couples DDES and FEA based on a fixed point iteration is used to predict the amplitude response and drag in a lock-in condition. The results of the rigid-fixed and self-oscillating cylinder computations compare favorably with experimental data.",

author = "Lee, {Abe H.} and Campbell, {Robert L.} and Hambric, {Stephen A.}",

note = "Funding Information: This work was funded by Naval Sea Systems Command (NAVSEA), and was approved for State A, Public Release, distribution is unlimited under the subject number 405-13. ",

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AU - Lee, Abe H.

AU - Campbell, Robert L.

AU - Hambric, Stephen A.

N1 - Funding Information: This work was funded by Naval Sea Systems Command (NAVSEA), and was approved for State A, Public Release, distribution is unlimited under the subject number 405-13.

PY - 2014/7

Y1 - 2014/7

N2 - The flow past a rigid-fixed cylinder and a self-oscillating cylinder is simulated at Re=5000. The finite-volume based CFD package OpenFOAM is used for flow computations for a rigid-fixed cylinder. Extensive mesh convergence and time-step studies are conducted for a cylinder span of 2. D (twice the diameter). Spanwise-pressure correlations and spectral calculations are conducted using longer cylinder span lengths: 4. D, 8. D and 16. D. As the cylinder span size increases, better spanwise correlations are obtained. For a self-oscillating cylinder, the numerical approach that tightly couples DDES and FEA based on a fixed point iteration is used to predict the amplitude response and drag in a lock-in condition. The results of the rigid-fixed and self-oscillating cylinder computations compare favorably with experimental data.

AB - The flow past a rigid-fixed cylinder and a self-oscillating cylinder is simulated at Re=5000. The finite-volume based CFD package OpenFOAM is used for flow computations for a rigid-fixed cylinder. Extensive mesh convergence and time-step studies are conducted for a cylinder span of 2. D (twice the diameter). Spanwise-pressure correlations and spectral calculations are conducted using longer cylinder span lengths: 4. D, 8. D and 16. D. As the cylinder span size increases, better spanwise correlations are obtained. For a self-oscillating cylinder, the numerical approach that tightly couples DDES and FEA based on a fixed point iteration is used to predict the amplitude response and drag in a lock-in condition. The results of the rigid-fixed and self-oscillating cylinder computations compare favorably with experimental data.

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Coupled delayed-detached-eddy simulation and structural vibration of a self-oscillating cylinder due to vortex-shedding

Abstract

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