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Haut PDF The onset of vortex-induced vibrations of a flexible cylinder at large inclination angle

The onset of vortex-induced vibrations of a flexible cylinder at large inclination angle

The onset of vortex-induced vibrations of a flexible cylinder at large inclination angle

... inclined at 80 ◦ within a uniform current is studied by means of direct numerical simulations, at Reynolds number 500 based on the body diameter and inflow velocity ...magnitude. ...

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The onset of vortex-induced vibrations of a flexible cylinder at large inclination angle

The onset of vortex-induced vibrations of a flexible cylinder at large inclination angle

... simulations, at Reynolds number 500 based on the body diameter and inflow velocity ...magnitude. A range of values of the reduced velocity, defined as the inverse ...

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Vortex-induced vibrations of a flexible cylinder at large inclination angle

Vortex-induced vibrations of a flexible cylinder at large inclination angle

... free vibrations of a flexible circular cylinder inclined at 80 ◦ within a uniform current are investigated by means of direct numerical simulation, at ...

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Vortex-induced vibrations of a flexible cylinder at large inclination angle

Vortex-induced vibrations of a flexible cylinder at large inclination angle

... free vibrations of a flexible circular cylinder inclined at 80 ◦ within a uniform current are investigated by means of direct numerical simulation, at ...

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Vortex-induced vibrations of a long flexible cylinder in shear flow

Vortex-induced vibrations of a long flexible cylinder in shear flow

... currents. The possible fatigue damage resulting from VIV on these structures and the significantly increased drag forces require a careful calculation and prediction of the responses, ...

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Vortex-induced vibration of a square-section cylinder with incidence angle variation

Vortex-induced vibration of a square-section cylinder with incidence angle variation

... Vortex-induced vibration of a square-section cylinder with incidence angle variation ...Zhao, A. Nemes , D. Lo Jacono and J. Sheridan Vortex-induced ...

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Two-degree-of-freedom flow-induced vibrations of a rotating cylinder

Two-degree-of-freedom flow-induced vibrations of a rotating cylinder

... concerns the FIV of an elastically mounted, rigid circular cylinder forced to rotate about its ...where the rotation could be used to reduce or enhance structural ...From a fundamental ...

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On the validity of the independence principle applied to the vortex-induced vibrations of a flexible cylinder inclined at 60 degrees

On the validity of the independence principle applied to the vortex-induced vibrations of a flexible cylinder inclined at 60 degrees

... Self-excited, large-amplitude vibrations appear when the frequency of vortex formation and the frequency of body oscillation coincide; this condition of wake-body ...

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On the validity of the independence principle applied to the vortex-induced vibrations of a flexible cylinder inclined at 60 degrees

On the validity of the independence principle applied to the vortex-induced vibrations of a flexible cylinder inclined at 60 degrees

... emphasized the close connection between deviation from the IP and occurrence of oblique vortex ...to the stationary body case, a transverse oscillation of the ...

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Vortex induced vibrations of rectangular cylinders arranged on a grid

Vortex induced vibrations of rectangular cylinders arranged on a grid

... effect of α and T /D on the wind tunnel model The grid effect is also presented in Figure 12 where the Strouhal number vs α is plotted for an isolated body and different value of ...

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Two-degree-of-freedom flow-induced vibrations of a rotating cylinder

Two-degree-of-freedom flow-induced vibrations of a rotating cylinder

... area of the parameter space where the flow undergoes three-dimensional transition is indicated by oblique blue stripes in the ...In the rigidly mounted body case, the transition ...

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Flow-induced vibrations of a rotating cylinder in an arbitrary direction

Flow-induced vibrations of a rotating cylinder in an arbitrary direction

... cylinder are investigated in § 5.2 . Finally, some properties of flow three-dimensional transition are presented in § ...In the absence of rotation and for α = 1, the flow is unsteady ...

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Flow-induced vibrations of a rotating cylinder in an arbitrary direction

Flow-induced vibrations of a rotating cylinder in an arbitrary direction

... with the cancellation of the von Kármán street when the body is rigidly mounted ...within the vibration region identified in figure 3 ( f ) and remains steady ...outside. The ...

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Flow-Induced Vibrations of In-Line Cylinder Arrangements at Low Reynolds Numbers

Flow-Induced Vibrations of In-Line Cylinder Arrangements at Low Reynolds Numbers

... in vortex-induced vibrations in the past four decades (Sarpkaya ...(2010)). A set of important non-dimensional parameters, ...ratio A ∗ , Reynolds number Re, reduced ...

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Vortex induced vibrations of rectangular cylinders arranged on a grid

Vortex induced vibrations of rectangular cylinders arranged on a grid

... shows the Fast Fourier Transform (FFT) and damping ratios of the mode of interest measured experimentally on every cylinder of the wind tunnel ...model. The ...

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Chaotic vortex induced vibrations

Chaotic vortex induced vibrations

... statistics of this competition ...that a stable, periodic 2S wake mode exists at the very beginning of the upper branch, which has not been predicted by any previous ...analysis. ...

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On the efficiency of energy harvesting using vortex-induced vibrations of cables

On the efficiency of energy harvesting using vortex-induced vibrations of cables

... consist of vortex-induced waves, which can be stationary or traveling ( Vandiver, 1993 ...). The excitation of the structure through lock-in, i.e. the synchronization ...

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Lock-in of the vortex-induced vibrations of a long tensioned beam in shear flow

Lock-in of the vortex-induced vibrations of a long tensioned beam in shear flow

... Open Archive TOULOUSE Archive Ouverte (OATAO) OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an ...

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Real-scale observations of vortex induced vibrations of stay-cables in the boundary layer

Real-scale observations of vortex induced vibrations of stay-cables in the boundary layer

... in the power spectral density of the measured acceleration on these cables of the first layer, which provides are very robust identification of the natural frequency ...

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Vortex-induced response of a long flexible marine riser in a shear current

Vortex-induced response of a long flexible marine riser in a shear current

... : flexible marine riser, large deformations, deep water, lumped mass, Kane's method, ocean current, hydrodynamic loads, experimental ...Introduction The marine riser is an important component ...

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