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Keywords: vortex-induced vibration
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Proceedings Papers
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T08A018, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-122890
... Abstract The objective of this experimental study is to reveal the features of vortex-induced vibration (VIV) for a tandem rigidly coupled twin-tube model. A series of self-oscillation model tests were carried out under uniform flow with a range of reduced velocity from 3 to 20, and Reynolds...
Proceedings Papers
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T08A002, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-124260
... at two ends. The structural response of the SFT tube segment and the flow pattern around the structure are discussed and validated from the literature. submerged floating tunnel computational fluid dynamics fluid-structure interaction dynamic analysis vortex-induced vibration Proceedings...
Proceedings Papers
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T08A020, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-124811
... Abstract Vortex-induced vibration (VIV) of offshore cylindrical structures is a complex fluid-structure interaction (FSI) phenomenon that needs to be carefully considered in the design of subsea pipelines and risers. Computational fluid dynamics (CFD) methods have been recognized as useful...
Proceedings Papers
Proc. ASME. OMAE2024, Volume 6: Polar and Arctic Sciences and Technology; CFD, FSI, and AI, V006T08A019, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-123978
... Abstract The interfering characteristics of vortex-induced vibration (VIV) responses for tandem double risers under the recently discovered bidirectionally sheared flow are unclear. To reveal the interfering VIV characteristics in bidirectionally sheared flow, a rotating test rig was built...
Proceedings Papers
Proc. ASME. OMAE2024, Volume 8: Offshore Geotechnics; Petroleum Technology, V008T10A024, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-126583
... Abstract Free spans of a subsea pipeline may undergo vortex-induced vibrations (VIVs) and could be damaged by fatigue failure. The free span length is a key parameter for determining the structural natural frequency, which would correspondingly influence the reduced velocity (Vr) for the VIV...
Proceedings Papers
Proc. ASME. OMAE2023, Volume 8: Ocean Renewable Energy, V008T09A008, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-104810
... multiple FIV responses by using immersed boundary method (IBM). We found that as α increases, six distinct responses appear. At α = 0°–40°, typical vortex-induced vibration (VIV) occurs where the amplitude first increases and then decreases with reduced velocity, showing similar behaviour to that of VIV...
Proceedings Papers
Proc. ASME. OMAE2023, Volume 8: Ocean Renewable Energy, V008T09A004, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-101301
... Abstract The subject of vortex-induced vibration (VIV) in a steady flow has been extensively studied throughout the past decades. There is limited experimental research presenting the influence of incoming turbulent flow on the VIV of circular cylinders which may be useful in studying real-life...
Proceedings Papers
Proc. ASME. OMAE2023, Volume 7: CFD & FSI, V007T08A029, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-104396
... Abstract Helical strakes have been widely used in ocean engineering to suppress vortex-induced vibrations (VIV) of risers. To reveal the optimal layout scheme of helical strakes in engineering, a prediction method base on the non-iterative frequency domain is applied to investigate the VIV...
Proceedings Papers
Proc. ASME. OMAE2023, Volume 7: CFD & FSI, V007T08A027, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-103724
... vibration crossflow inline buoyancy module coverage rate Proceedings of the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering OMAE2023 June 11-16, 2023, Melbourne, Australia OMAE2023-103724 CFD SIMULATION OF VORTEX-INDUCED VIBRATION OF A FLEXIBLE RISER WITH BUOYANCY...
Proceedings Papers
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A034, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-80115
... at three different time steps. The experiments provided reliable benchmark data suitable for numerical validation of vortex-induced vibration for circular cylinders oscillating in two degrees-of-freedom. vortex-induced vibration fluid-structure interaction oscillating cylinder two degrees...
Proceedings Papers
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A024, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78236
... Abstract Flexible risers carrying multiphase gas-liquid flows may experience the vortex-induced vibration (VIV) due to the external current flow. Previous studies have mostly focused on either VIV of flexible risers or multiphase flows in static straight pipes, whereas understanding of combined...
Proceedings Papers
Proc. ASME. OMAE2022, Volume 7: CFD and FSI, V007T08A025, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78378
... Abstract Three-dimensional (3D) numerical simulations of the flow around a cylinder undergoing vortex-induced vibration (VIV) at Re = 3900 (defined as Re = U ∞ D/ v , where U ∞ is the inlet flow velocity, D is the diameter of the cylinder and v is the fluid kinematic viscosity...
Proceedings Papers
Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A003, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-63454
.... Ground effects on the power generation capacity of an oscillating cylinder operating in river current velocity at Reynolds number of 3 × 10 4 are studied at varying depths. Vortex-induced vibration is studied to observe the ground boundary layer influence on the structural response, vortex structure...
Proceedings Papers
Proc. ASME. OMAE2021, Volume 8: CFD and FSI, V008T08A020, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-61830
... Abstract Vortex-induced vibration (VIV) is one of the most critical issues in deepwater developments due to its resultant fatigue damage to subsea structures such as risers, pipelines and jumpers. Although VIV effects on slender bodies have been comprehensively studied over decades, very few...
Proceedings Papers
Proc. ASME. OMAE2021, Volume 8: CFD and FSI, V008T08A024, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62931
... Abstract This paper presents the experimental investigation of vortex-induced vibrations (VIV) of a flexibly mounted circular cylinder in combined current and wave flows. The same experimental setup has previously been used in our previous study (OMAE2020-18161) on VIV in regular waves...
Proceedings Papers
Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A034a, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18607
... Abstract Vortex-induced vibrations (VIV) of two elastically mounted circular cylinders with different diameters in tandem arrangement are investigated in a two-dimensional (2D) numerical simulation. The fluid domain is simulated by solving 2D Reynold-Averaged Navier-Stokes equations. Meanwhile...
Proceedings Papers
Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A022, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18085
... Abstract The interference phenomenon among multiple flexible cylinders is an important factor in designing offshore structures, which has been extensively studied by researchers in the past decades. In this paper, Vortex-induced Vibration (VIV) responses of two flexible cylinders experiencing...
Proceedings Papers
Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A023, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18161
... Abstract This paper presents new laboratory experiments of two-degree-of-freedom vortex-induced vibration of a flexibly mounted vertical circular cylinder in regular waves. A new experimental model has been developed and tested in the Wind, Wave & Current Tank at Newcastle University...
Proceedings Papers
Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A027, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18402
..., was found when wall-to-wall distances were 4D and 8D. tandem arrangement vortex-induced vibration unequal diameter dual flexible pipe EXPERIMENTAL INVESTIGATION ON VORTEX-INDUCED VIBRATION OF DUAL PIPES WITH UNEQUAL DIAMETERS IN TANDEM 1 Corresponding Author: Shixiao Fu, shixiao.fu@sjtu.edu.cn...
Proceedings Papers
Proc. ASME. OMAE2020, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A013, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18364
... Abstract In order to understand the relation between top-motion and VIV of flexible risers, this paper presents an experimental investigation on concomitant vortex-induced vibration and top-motion excitation with flexible risers. The riser can was mounted vertically, with the diameter of 2 cm...
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