... , “ Vortex-Induced Vibration of Spar Platforms for Floating Offshore Wind Turbines ,” Wind Energy , 21 ( 11 ), pp. 1169 – 1176 . 10.1002/we.2221 [10] Gonçalves , R. T. , Chame , M. E. F. , Silva , L. S. P. , Koop , A. , Hirabayashi , S. , and Suzuki , H. , 2021...

...Guang Yin; Marek Jan Janocha; Muk Chen Ong The objective of the present study is estimating hydrodynamic forces acting on cylinders undergoing vortex-induced vibration (VIV) using dynamic mode decomposition (DMD). The cylinders are subjected to a uniform incoming flow at a laminar Reynolds number...

...Marek Jan Janocha; Lukas Philip Fabricius; Guang Yin; Muk Chen Ong Three-dimensional (3D) numerical simulations of the flow around a cylinder undergoing vortex-induced vibration (VIV) at Re = 3900 (defined as Re = U ∞ D/ ν , where U ∞ is the inlet flow velocity, D is the diameter of the cylinder...

... the conventional Strouhal number relationship. It is well established for vortex-induced vibration (VIV) that the eddy-shedding frequency will synchronize with the near-resonant motions of a dynamically oscillating cylinder, such that the resultant bandwidth of lock-in exhibits a wider range of effective Strouhal...

...Decao Yin Deepwater steel lazy wave risers (SLWR) subject to vessel motion will be exposed to time-varying oscillatory flow, vortices could be generated and the cyclic vortex-shedding force causes the structure vibrate, such fluid–structure interaction is called vortex-induced vibrations (VIV...

...Daniel P. Vieira; Guilherme R. Franzini; Fredi Cenci; André L. C. Fujarra An experimental setup was built to investigate the vortex-induced vibration (VIV) phenomenon on yawed and inclined flexible cylinders, in which five yaw angles θ = 0 deg, 10 deg, 20 deg, 30 deg, and 45 deg and five azimuth...

...Wenyong Yuan; Hai Sun; Eun Soo Kim; Hui Li; Nicholas Beltsos; Michael M. Bernitsas The vortex-induced vibration for aquatic clean energy (VIVACE) converter harnesses hydrokinetic energy by enhancing flow-induced oscillations (FIOs) of elastically supported rigid cylinders in a river, tide, or ocean...

...Sang Woo Kim; Svein Sævik; Jie Wu; Bernt Johan Leira As the development of offshore oil and gas continues to move into deeper waters, the risers connecting the seabed infrastructure to the offshore platform are getting longer. This means that vortex-induced vibration (VIV) may occur at different...

... for publication in the J ournal of O ffshore M echanics and A rctic E ngineering . 20 03 2020 17 11 2020 17 11 2020 12 01 2021 vortex-induced vibration cylinders piggyback POD DMD computational fluid dynamics hydrodynamics The flow around a bluff body at high...

... , K. , Xiang , Y. , and Cheng , L. , 2016 , “ Vortex-Induced Vibration of Four Cylinders in an In-Line Square Configuration ,” Phys. Fluids , 28 ( 2 ), p. 023602 . 10.1063/1.4941774 [14] Wolfgang , M. J. , Anderson , J. M. , Grosenbaugh , M. A. , Yue , D. K...

...Jie Wu; Decao Yin; Elizabeth Passano; Halvor Lie; Ralf Peek; Octavio E. Sequeiros; Sze Yu Ang; Chiara Bernardo; Meliza Atienza Helical strakes can suppress vortex-induced vibrations (VIVs) in pipelines spans and risers. Pure in-line (IL) VIV is more of a concern for pipelines than for risers...

... of structures fluid–structure interaction hydrodynamics vortex-induced vibration Offshore wind energy is one of the largest renewable sources. A considerable amount of wind energy is located even further offshore, in deeper waters. Due to the limitation of using the bottom-mounted offshore wind...

...Ralf Peek Although it has long been recognized that vortex-induced vibrations of subsea pipeline spans involve nonlinear and inelastic behavior, the current practice to assess such spans for fatigue and ultimate loading conditions is based on the modal analysis assuming linear behavior...

... ). To calculate the VIV responses on the buoyant section using the empirical tool, hydrodynamic coefficients such as lift coefficients and added mass coefficients are needed. Vortex-induced vibration mitigation devices such as helical strakes and fairings are commonly deployed to reduce the vibrations...

... production systems fluid–structure interaction hydrodynamics vortex-induced vibration Fig. 4 Sketch of the four-column array for 45-deg incidence with different column section geometries (from right to left: circular, square, and diamond) and different spacing ratios (from top to bottom: S/L...

... in water and further generate an equivalent oscillatory current around themselves, due to the vessel motions. Both in full-scale marine operations and model tests, it has been reported that such oscillatory current leads to riser vortex-induced vibration (VIV) and therefore causes structural fatigue damage...

... vortex induced vibrations (VIV). However, when VIV occurs, hydrodynamic characteristics of the buoyancy elements and its influence on hydrodynamic force of the bare pipe still need investigation. The purpose of this paper is to reveal the hydrodynamic characteristics of flexible pipe with staggered...

...H. Marcollo; A. E. Potts; D. R. Johnstone; P. Pezet; P. Kurts Drilling risers are regularly deployed in deep water (over 1500 m) with large sections covered in buoyancy modules. The smooth cylindrical shape of these modules can result in significant vortex-induced vibration (VIV) response, causing...

..., 2017; final manuscript received April 8, 2018; published online May 21, 2018. Assoc. Editor: Qing Xiao. 10 10 2017 08 04 2018 Hydrodynamics Ocean energy technology Vortex-induced vibration With growing demands, the problem of energy shortage attracts more and more...

... Computational fluid dynamics Vortex-induced vibration Turbulent flow around a cylinder is a complex phenomenon within fluid mechanics, to which a lot of researchers have devoted efforts. When the natural frequency of the cylinder approaches that of the vortex shedding downstream of the cylinder, vortex...