半潜平台自由衰减时域运动数值仿真
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作者单位:

1.哈尔滨工程大学;2.海洋石油股份有限公司;3.哈尔滨工程大学 船舶工程学院

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P751

基金项目:

陵水半潜式生产平台研究专项(编号:LSZX-2020-HN-02), 中国海洋石油集团有限公司科技项目(项目编号: CNOOC-KJ 135 GJJS 07 GC 2020-02)


The Simulation Study on The Coupling Dynamic Response of Steel Catenary Riser Lifting Operation
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Affiliation:

1.Harbin Engineering University;2.Offshore Oil Engineering CO.LTD

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    摘要:

    本文以陵水17-2半潜平台为研究对象,为研究其自由衰减运动响应特点,建立该半潜平台运动学数值仿真模型,并对其不同自由度的自由衰减进行运动仿真。为确保数值仿真模型可信度,通过缩尺比模型实验方法对仿真模型进行校核,将给定初始条件下自由衰减运动响应的仿真结果与模型实验结果进行比对,两者基本吻合。基于自由衰减曲线计算半潜平台阻尼系数,对阻尼力(矩)时历曲线进行数值分析,结果证明可基于该仿真模型开展陵水17-2平台海上作业运动评估。

    Abstract:

    At present, numerical simulation has been widely used in the field of ocean engineering and can provide reference for practical engineering operations. In this paper, the newly delivered Lingshui 17-2 semi-submersible platform is taken as the research object. In order to study its free decay motion response characteristics, the kinematics numerical simulation model of the semi-submersible platform is established, and the free decay motion of the semi-submersible platform with different degrees of freedom is simulated. In order to ensure the reliability of the numerical simulation model, the scale ratio model test method was used to check the simulation model, and the simulation results of free attenuation motion response under given initial conditions were compared with the model experiment results, which were basically consistent. Based on the free decay curve, calculating the damping coefficient of the semi-submersible platform and numerically analyzing the damping force (moment) time history curve. The results prove that the offshore operation simulation of Lingshui 17-2 platform could be carried out based on the simulation model.

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  • 收稿日期:2021-04-05
  • 最后修改日期:2021-05-08
  • 录用日期:2021-05-12
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