Numerical investigation of vortex induced vibration of a circular cylinder for mass ratio less than 1.0

Liu, Mingming; Jin, Ruijia; Wang, Haocheng

doi:10.1016/j.oceaneng.2022.111130

Cited by 12 publications

(6 citation statements)

References 19 publications

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“…Te numerical model used in this study is consistent with the numerical model used by Liu et al [10][11][12], and the validation of the correctness of the model can be found in the paper by Liu et al [10][11][12], which will not be discussed here.…”

Section: Computing Model and Boundary Conditionssupporting

confidence: 80%

“…Prasanth and Mittal [5] investigated numerically the vortex vibration of a cylinder with a mass ratio M * of 10.0 at low Reynolds number (60 < Re < 200) by means of a fnite element method and found that the response of the crossfow displacement can reach 0.6D. Te response of the cross-fow displacement also has two branches, the initial branch and the lower branch, and the initial branch corresponds to the vortex shedding mode of 2S and the lower branch corresponds to the vortex shedding mode of C. Tere have also been many fruitful studies on cylindrical vortex excitation vibration problems [6][7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

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Simulation of Vortex-Induced Vibration for a Cylinder with Different Rounded Corners under Re = 150

Gong,

Jin,

Liu

et al. 2024

Shock and Vibration

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A comprehensive 2D numerical model was conscientiously developed to investigate the vortex-induced vibration phenomena in a cylindrical structure with rounded corners. The Navier-Stokes equation was adeptly solved under the specific condition of a Reynolds number (Re) of 150. The investigation reveals intricate details of the phenomena. The study aimed to systematically analyze the interaction between drag and lift force coefficients, cylinder vibration amplitude, and the patterns of vortex shedding modes under various conditions. This study systematically altered the radius of the cylinder’s rounded corners to evaluate their effects on both structural and hydrodynamic responses. This variation was crucial in comprehending how slight alterations in the cylinder’s geometry impact significant changes in the flow dynamics and correlated vibration behavior. The model’s numerical results revealed the significant impact of the curved edge ratio on both the hydrodynamic forces acting on the cylinder and its vibration response. The variation in edge curvature resulted in changes in drag and lift coefficients, leading to a significant impact on the amplitude of vibration. This elucidates the crucial role of geometric design in controlling and optimizing the structural behavior of cylindrical structures under fluid flow conditions.

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Section: Computing Model and Boundary Conditionssupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Simulation of Vortex-Induced Vibration for a Cylinder with Different Rounded Corners under Re = 150

Gong,

Jin,

Liu

et al. 2024

Shock and Vibration

Self Cite

View full text Add to dashboard Cite

show abstract

“…Spacing among the on-way anchors is the same, and the material properties of symmetrical anchors are the same. Based on the slicing method, the vibration of an SFT under current can be simplified as two-degree-of-freedom vibration in the plane, and the governing equations [21][22][23] can be expressed in Equation (1):…”

Section: Computational Domain and Meshesmentioning

confidence: 99%

“…(2) After obtaining F x (t) and F z (t), they are input into the UDF code for Equation (1) to calculate the displacement x and z of the SFT. Equation ( 1) is solved by the 4th-order Runge-Kutta method in Equation ( 2), and it is commonly utilized in studies related to SFT, as referenced in [21][22][23].…”

Section: Computational Domain and Meshesmentioning

confidence: 99%

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Numerical Simulation on the Two-Degree-of-Freedom Flow-Induced Vibration of a Submerged Floating Tunnel under Current

Wang,

Zhang,

Huang

et al. 2024

JMSE

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The submerged floating tunnel (SFT) is a novel form of transportation infrastructure for crossing deeper and wider seas. One of the primary challenges in designing SFTs is understanding their hydrodynamic response to complex environmental loads. In order to investigate the two-degree-of-freedom (2-DOF) flow-induced vibration (FIV) response of SFTs under current, a two-dimensional (2D) numerical model was developed using the Reynolds-averaged Navier–Stokes (RANS) method combined with the fourth-order Runge–Kutta method. The numerical results were validated by comparing them with the existing literature. The study then addressed the effects of coupled vibration and structural parameters, i.e., the mass ratio and natural frequency ratio, on the response and wake pattern of SFTs, numerically. The results indicated that coupled vibration had a significant impact on the SFT response at reduced velocities of Urwx ≥ 4.4. A decrease in mass ratio (m* < 1) notably amplified the 2-DOF vibration amplitudes of SFTs at Urwx ≥ 4.4, particularly for in-line vibration. Similarly, a decrease in natural frequency ratio (Rf < 1) significantly suppressed the in-line vibration of SFTs at Urwx ≥ 2.5. Therefore, for the design of SFTs, careful consideration should be given to the effect of mass ratio and natural frequency ratio on in-line vibration.

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Experimental Investigation of Multi-Mode Vortex-Induced Vibration of Flexible Risers with Different Mass Ratios

Wang

Lou²,

Ren³

et al. 2023

China Ocean Eng

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Numerical investigation of vortex induced vibration of a circular cylinder for mass ratio less than 1.0

Cited by 12 publications

References 19 publications

Simulation of Vortex-Induced Vibration for a Cylinder with Different Rounded Corners under Re = 150

Simulation of Vortex-Induced Vibration for a Cylinder with Different Rounded Corners under Re = 150

Numerical Simulation on the Two-Degree-of-Freedom Flow-Induced Vibration of a Submerged Floating Tunnel under Current

Experimental Investigation of Multi-Mode Vortex-Induced Vibration of Flexible Risers with Different Mass Ratios

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