Smart hybrid VIV control of a linearly sprung cylinder using an internal semi-active NES-based vibration absorber coupled with two active rotating wake-control rods
SM Hasheminejad, Y Masoumi - Ocean Engineering, 2022 - Elsevier
Extensive two dimensional CFD simulations were carried out to investigate the hybrid
active/semi-active cross-flow vortex induced vibration (VIV) suppression of a flexibly …
active/semi-active cross-flow vortex induced vibration (VIV) suppression of a flexibly …
Large eddy simulations of flow past an inclined circular cylinder: Insights into the three-dimensional effect
The flow past an inclined cylinder is simulated using large eddy simulations to study the
three-dimensional wake flow effects on the forces on the cylinder at Re= 3900. Four …
three-dimensional wake flow effects on the forces on the cylinder at Re= 3900. Four …
VIV of two rigidly coupled side-by-side cylinders at subcritical Re
Cross-flow vortex-induced vibration (VIV) of two rigidly coupled circular cylinders in side-by-
side arrangement at a Reynolds number of 1000 is numerically investigated using direct …
side arrangement at a Reynolds number of 1000 is numerically investigated using direct …
Large-eddy simulations of flow past a circular cylinder near a free surface
Three-dimensional large-eddy simulations are carried out for flow past a cylinder beneath a
deformable free surface at a fixed Reynolds number of Re= 7550. The results are examined …
deformable free surface at a fixed Reynolds number of Re= 7550. The results are examined …
Control of vortex-induced vibration of an elastically mounted cylinder with a pair of porous rods
J Chen, J Wu - Physics of Fluids, 2022 - pubs.aip.org
In this work, the control of vortex-induced vibration (VIV) of an elastically mounted cylinder
with a pair of porous rods is numerically investigated at a Reynolds number of 150. To …
with a pair of porous rods is numerically investigated at a Reynolds number of 150. To …
Investigation of the combined effect of control rods and forced rotation on a cylinder
A novel structure combining the application of control rods and forced rotation on a cylinder
is proposed based on the cylindrical vibration suppression, and the combined structure is …
is proposed based on the cylindrical vibration suppression, and the combined structure is …
Parameter optimization of open-loop control of a circular cylinder by simplified reinforcement learning
Open-loop control is commonly considered an efficient approach in flow control, in which the
search for control parameters with excellent performance is mostly carried out by grid …
search for control parameters with excellent performance is mostly carried out by grid …
Surrogate model-based deep reinforcement learning for experimental study of active flow control of circular cylinder
X Dong, H Hong, X Deng, W Zhong, G Hu - Physics of Fluids, 2023 - pubs.aip.org
The flow around a circular cylinder is a classical problem in fluid mechanics, and the
reduction of drag and lift has been a long-standing research focus in flow control. In this …
reduction of drag and lift has been a long-standing research focus in flow control. In this …
Wake suppression of a cylinder immersed in turbulence using rotating rods
In this study, we conducted three-dimensional direct numerical simulations to investigate the
control performance of the free-stream turbulence past a circular cylinder with two small …
control performance of the free-stream turbulence past a circular cylinder with two small …
On the three-dimensional wake flow behind a normal flat plate
Two-dimensional (2D) and three-dimensional (3D) numerical simulations are carried out for
uniform flow past a normal flat plate with two semicircular ends to investigate the three …
uniform flow past a normal flat plate with two semicircular ends to investigate the three …