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Small-Scale Vortex-Induced Vibration Wind Energy Harvesters

, 2019
Brooke Katherine Pierce, Carly Jane Neeld, Ethan Edward Shipulski, Frank R Ciliberto   +3 more
openalex   +1 more source

Research on Microstructure and Corrosion Behavior of Aluminum Alloy Laser-Welded Joints Assisted by Ultrasonic Vibration. [PDF]

Micromachines (Basel)
Bai D, Li A, Liu J, Shi Y, Zhang H, Yang L.   +5 more
europepmc   +1 more source

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Vortex-Induced Vibrations

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., Bourguet, Rémi, Dahl, Jason, Modarres-Sadeghi, Yahya   +3 more
openaire   +2 more sources

Vortex-induced vibrations of a sphere

Journal of Fluid Mechanics, 2005
There are many studies on the vortex-induced vibrations of a cylindrical body, but almost none concerned with such vibrations for a sphere, despite the fact that tethered bodies are a common configuration. In this paper, we study the dynamics of an elastically mounted or tethered sphere in a steady flow, employing displacement, force and vorticity ...
Govardhan, RN, Williamson, CHK
openaire   +1 more source

Lock-in in vortex-induced vibration

Journal of Fluid Mechanics, 2016
The phenomenon of lock-in in vortex-induced vibration of a circular cylinder is investigated in the laminar flow regime ($20\leqslant Re\leqslant 100$). Direct time integration (DTI) and linear stability analysis (LSA) of the governing equations are carried out via a stabilized finite element method.
null Navrose, Sanjay Mittal
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Effects of Oblique Inflow in Vortex-Induced Vibrations

Flow, Turbulence and Combustion, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lucor, Didier, Karniadakis, George Em
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Vortex-induced vibrations at subcritical Re

Journal of Fluid Mechanics, 2005
Flow past a stationary cylinder becomes unstable at Re$\,{\sim}\,47$. Flow-induced vibrations of an elastically mounted cylinder, of low non-dimensional mass, is investigated at subcritical Reynolds numbers. A stabilized finite-element formulation is used to solve the incompressible flow equations and the cylinder motion in two dimensions. The cylinder
Mittal, Sanjay, Singh, Saurav
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Maximum vortex-induced vibrations of a square prism

Wind and Structures, 2013
This paper presents an experimental investigation concerning the peak amplitudes of oscillation of a square prism due to Vortex-Induced-Vibrations (VIV) as a function of the mass damping parameter (the so called Griffin--plot); and being, respectively, the non-dimensional mass and the mechanical (structural) damping ratio. With this purpose in mind, an
A. Barrero-Gil, P. Fernandez-Arroyo
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The Cell Spar and Vortex Induced Vibrations

Offshore Technology Conference, 2003
Abstract Vortex Induced Vibrations (VIV) of Spars under current flow is an important consideration of Spar mooring design. Model tests and Field data show that Spar VIV is a complex issue that can involve a large number of parameters which include Spar hull characteristics, dynamic characteristics of the moored ...
L.D. Finn, J.V. Maher, H. Gupta
openaire   +1 more source