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The Physics of Fluids, 2023
We mitigate vortex-induced vibrations of a square cylinder at a Reynolds number of 100 using deep reinforcement learning (DRL)-based active flow control (AFC).
B. R. Noack
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We mitigate vortex-induced vibrations of a square cylinder at a Reynolds number of 100 using deep reinforcement learning (DRL)-based active flow control (AFC).
B. R. Noack
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Evidence and physical mechanism for vortex-induced vibration of a bluff body without an afterbody
The Physics of Fluids, 2023Afterbody—the portion of the body downstream of shear layer separation points—was believed to be essential for the vortex-induced vibration (VIV) of a bluff body. A recent study by Zhao et al. [“Flow-induced vibration of D-section cylinders: An afterbody
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Vortex-Induced vibration suppression for a cylinder with random grooves inspired by rough tree bark
The Physics of Fluids, 2023The vortex-induced vibration (VIV) response of a 2-degree-of-freedom cylinder with random grooves is investigated numerically based on the Reynolds Average Navier–Stokes (RANS) method.
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The Physics of Fluids, 2023
The vortex-induced vibration (VIV) response performances of a two-degree-of-freedom circular cylinder with different surface roughnesses were numerically investigated in this work.
Zecheng Jiang +4 more
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The vortex-induced vibration (VIV) response performances of a two-degree-of-freedom circular cylinder with different surface roughnesses were numerically investigated in this work.
Zecheng Jiang +4 more
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Closed‐form design formulas of TMDI for suppressing vortex‐induced vibration of bridge structures
Structural Control & Health Monitoring, 2022Tuned mass damper inerter (TMDI) is a promising device for structural vibration control. Existing design formulas for TMDI are derived based on an undamped single‐degree‐of‐freedom primary structure. When applied to vortex‐induced vibration (VIV) control
Kun Xu +4 more
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2016
Starting at a low Reynolds number of about 50, and reaching the highest Reynolds numbers recorded, bluff bodies placed within an external flow form an unstable wake that results in the formation of a regular pattern of vortices, the Karman street. If the structure is flexible or flexibly mounted, these vortices may cause vibrations, leading to stresses
Triantafyllou, Michael S. +3 more
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Starting at a low Reynolds number of about 50, and reaching the highest Reynolds numbers recorded, bluff bodies placed within an external flow form an unstable wake that results in the formation of a regular pattern of vortices, the Karman street. If the structure is flexible or flexibly mounted, these vortices may cause vibrations, leading to stresses
Triantafyllou, Michael S. +3 more
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Journal of Fluid Mechanics, 2022
We present a decomposition of the streamwise fluid force for in-line vortex-induced vibration (VIV) to provide insight into how the wake drag acts as a driving force in fluid–structure interaction.
Jisheng Zhao, M. Thompson, K. Hourigan
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We present a decomposition of the streamwise fluid force for in-line vortex-induced vibration (VIV) to provide insight into how the wake drag acts as a driving force in fluid–structure interaction.
Jisheng Zhao, M. Thompson, K. Hourigan
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Journal of Fluid Mechanics, 2022
Vortex-induced vibration (VIV) of a two degree-of-freedom (DOF) circular cylinder, placed in the test section of a recirculating water tunnel and free to oscillate in its first two vibrational modes in the crossflow direction, is studied experimentally ...
Seyedmohammad Mousavisani +4 more
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Vortex-induced vibration (VIV) of a two degree-of-freedom (DOF) circular cylinder, placed in the test section of a recirculating water tunnel and free to oscillate in its first two vibrational modes in the crossflow direction, is studied experimentally ...
Seyedmohammad Mousavisani +4 more
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Journal of Fluid Mechanics
The flow-induced vibrations (FIVs) of two identical tandem square cylinders with mass ratio m* = 3.5 at Reynolds number Re = 150 are investigated through two-dimensional direct numerical simulation (DNS) and linear stability analysis over a parameter ...
Cheng Zhang +5 more
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The flow-induced vibrations (FIVs) of two identical tandem square cylinders with mass ratio m* = 3.5 at Reynolds number Re = 150 are investigated through two-dimensional direct numerical simulation (DNS) and linear stability analysis over a parameter ...
Cheng Zhang +5 more
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