vortex induced vibration (VIV)
CFD simulation of vortex-induced vibration of a vertical riser
... Vortex-induced vibration (VIV) is a major cause of fatigue failure in offshore slender structures. The reliable estimation of the fatigue damage of risers and mooring lines requires detailed ...
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EFFECT OF VORTEX INDUCED VIBRATION ON FATIGUE DAMAGE OF TOP-TENSIONED RISER SUBJECTED TO CURRENT LOAD
... As water depth increases, the cost of the riser system and the technological challenges both increase rapidly. One of the main concerns in the design of TTR is the dynamic fatigue loading from the platform motion and ...
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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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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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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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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
... Transverse Vortex Force (TVF) range of ...higher vortex induced vibration (VIV) at near surfaces leading to higher TVF, and higher fatigue damage ...
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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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Experimental investigation of the vortex-induced vibration of a curved cylinder
... of new viable technologies. One of these is the requirement of a robust and completely-reliable analysis tool for the prediction of vortex-induced vibration (VIV) of marine structures exposed to ...
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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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Influence of Frequency Ratio on the Hydroelastic Response of a Cylinder with Degrees of Freedom under Vortex Induced Vibration
... Vortex induced vibration (VIV) of marine risers has ever been quite an enticing topic for ...IL vibration has significant impact on the shedding pattern and also on the amplitude of CF ...
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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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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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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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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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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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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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Reducing Vortex-Induced Vibration of Drilling Risers with Marine Fairing
... VIV induces an increase in the drag force on the drilling risers and thus reduces its fatigue life. So, it is highly advised to take measures to suppress the shedding of Karman vortex sheets [9] from the ...
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Transverse vortexinduced vibration of spring supported circular cylinder with mass ratio of 10 translating close to a plane wall
... researchers. Vortex shedding in the wake of the circular cylinder frequently occurs and causes periodic forcing to the ...the vortex shedding and the cylinder motion will influence each other, eventually ...
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