The VIV responses of the circular cylinder at low and moderate Reynolds numbers are calculated according to two-dimensional numerical simulation and the fourth-order Runge–Kutta algorithm. The first part of the study is focused on the applicability of 2D numerical simulation between the response of 2D numerical simulation and the actual response, which can guide the preliminary engineering studies by vortex shedding. The reasonable vortex shedding mode of each branch, and the change process of the trajectory from the ‘8’ type to the ‘droplet’ type, are discussed in the second part of the study. And independent calculations under different speed reduction conditions are employed to suit practical application scenarios. The comparison shows the applicability of the 2D numerical simulations at low Reynolds numbers. Although the amplitude calculation results at moderate Reynolds numbers are inconsistent with the experimental results, the two-dimensional numerical simulation has good reliability in the trailing vortex capture.


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    Title :

    Applicability of two-dimensional numerical simulation associated with vortex-induced vibration response of the circular cylinder


    Contributors:
    Guan, Guan (author) / He, Kaimeng (author) / Jin, Songyu (author) / Yang, Qu (author) / Wang, Panpan (author)

    Published in:

    Ships and Offshore Structures ; 18 , 9 ; 1313-1324


    Publication date :

    2023-09-02


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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