vortex-induced vibration
Reduced-order modelling of vortex-induced vibration of catenary riser
... Steel catenary risers (SCRs) are widely used in offshore installation, exploration and production. Because of their promising technological and commercial solutions, SCRs have become primary candidates for future ultra ...
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Vortex-induced vibration of catenary riser: reduced-order modeling and lock-in analysis using wake oscillator
... Ongoing deepwater applications in oil & gas industry have demonstrated the need to thoroughly understand the nonlinear dynamic behaviors of a steel catenary riser (SCR) undergoing vortex-induced ...
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Simulation of vortex induced vibration of a bluff body structure
... Karman vortex shedding can be estimated by the Strouhal number. A vortex shed from the other side causes a force in the opposite ...alternate vortex shedding characterized by definite periodicity ...
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Numerical simulation of vortex-induced vibration of a vertical riser in uniform and linearly sheared currents
... on vortex-induced vibration (VIV) of a vertical riser subject to uniform and linearly sheared ...the vortex shedding shows a clear 2S pattern, whereas a 2P mode is observed near the position ...
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CFD simulation of vortex-induced vibration of a vertical riser
... Important vortex-induced vibration (VIV) parameters including the amplitude responses, orbital trajectories, oscillation frequencies and vorticity contours are ...different vortex shedding ...
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Experimental investigation of the vortex-induced vibration of a curved cylinder
... the vortex-induced vibration (VIV) response of a rigid section of a curved circular ...on vortex formation and ...of vibration that are sustained beyond the typical synchronisation ...
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High Mode Vortex Induced Vibration (VIV) Experiments on a Large Scale Riser
... of vortex shedding around cylindrical structures is a concern in many different engineering ...fields. Vortex Induced Vibration (VIV) occurs when the vortex shed- ding frequency is ...
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Vortex Induced Vibration of Subsea Umbilicals: A Case Study of Deep Offshore Nigeria
... Fatigue damage in an umbilical tube can be checked using global dynamic analysis with use of a linear Finite Element (FE) analysis computer program, which includes Flexcom, OrcaFlex, and/or RIFLEX. Global analysis ...
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New model for vortex-induced vibration of catenary riser
... Steel catenary riser (SCR) has become a primary candidate for future ultra deepwater oil/gas industry because it offers the most promising technological and commercial solution. One of the key issues in the analysis and ...
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Study on Vortex induced Vibration Characteristics of Large Slenderness Ratio Tandem Risers
... simulate vortex-induced vibration (VIV) of flexible tandem risers with large slenderness ...2-DOF vortex-induced fluid-structure coupled ...of vibration frequency between ...
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CFD simulation of vortex induced vibration of a bluff body structure by ANSYS fluent
... Vortex-induced vibration is a vibration phenomenon which occurred to the bluff body structure either on the ground or sea ...transverse vibration of bluff body were done to determine ...
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Vortex-induced vibration of circular cylinder with two degrees of freedom : CFD vs. reduced-order models
... The phenomenon of vortex-induced vibration (VIV) has been of great practical interest in offshore, ocean and subsea engineering. It is well known that when a bluff body is placed in a fluid flow, the ...
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Influence of Frequency Ratio on the Hydroelastic Response of a Cylinder with Degrees of Freedom under Vortex Induced Vibration
... Abstract: Vortex induced vibration of cylindrical structures is an extensively researched topic. Most of the studies have concentrated on the response of the cylinder in the cross flow (CF) ...
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EFFECT OF VORTEX INDUCED VIBRATION ON FATIGUE DAMAGE OF TOP-TENSIONED RISER SUBJECTED TO CURRENT LOAD
... with vortex-induced vibration (VIV) is relatively important, considering VIV as one of the most important factors causing fatigue damage in deepwater ...
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Two-dimensional coupled vortex-induced vibration of circular cylinder : prediction and extraction of hydrodynamics properties
... An advanced model for predicting a two-dimensional coupled cross-flow and in-line vortex-induced vibration (VIV) of a flexibly-mounted circular cylinder in a uniform flow is proposed and ...
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Vortex induced vibration of a 5:1 rectangular cylinder: A comparison of wind tunnel sectional model tests and computational simulations
... the vortex-induced vibration (VIV) and (ii) of the turbulence-induced effect for this particular ...leading-edge vortex; a strongly correlated flow feature close to the trailing edge ...
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A Coupled Simulation Method For A Vortex-Induced Vibration System
... Circle shape is the most common cross-section used in Vortex Induced Vibration study such as by Singh & Mittal, (2005) and Mysa, et al, (2016). The shape or cross- section of the object to be ...
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VIVEC (VORTEX INDUCED VIBRATION ENERGY CONVERTER): A NEW AND RENEWABLE APPROACH TO HARNESS THE HYDRO-KINETIC ENERGY OF GEOPHYSICAL FLUID FLOW
... such vibration has been investigated as an energy source that can be used to generate electrical energy and the idea been proposed to enhance the vibrations in order to extract useful kinetic energy from the ...
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Coupled Structure (FE) & Fluid Flow (FV) Analysis for Vortex Induced Vibration
... The demonstrated software capability to adapt the fluid mesh to the displacements of the structure allows to keep a relatively low mesh density in the strong gr[r] ...
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Hummingbird feather sounds are produced by aeroelastic flutter, not vortex induced vibration
... Airflow and orientation-induced changes in feather aeroelastic bending seemed to greatly influence the dynamics of sound production of some of the feathers. The white-bellied woodstar (C. mulsant) R4 was a ...
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