内容：
针对目前内波对海洋立管作用研究缺乏的现状,基于MATLAB开发出内波作用下海洋立管动力响应数值模拟系统NSDRI 1.0。该系统主要考虑内孤立波作用,基于m Kd V理论求解内孤立波,使用改进的Morison方程计算作用在海洋立管上内孤立波的荷载,进而求解出立管的水平位移以及应力响应。该系统界面清晰友好,操作简单,适用于顶张力立管。选取一定参数,使用该系统进行计算,并将计算结果与已发表的成果进行对比,发现结果较为吻合,从一定程度上验证了系统的可行性,可对立管的设计提供借鉴。Aiming at the current situation of the lack of research on the effect of internal wave on marine riser, based on MATLAB, the numerical simulation system of marine riser dynamic response under internal wave is developed. The system mainly considers the solitary wave effect, and solves the solitary wave based on the m Kd V theory. The improved Morison equation is used to calculate the load of the solitary wave acting on the offshore riser, and then the horizontal displacement and stress response of the riser are solved. The system interface is clear and friendly, simple operation, suitable for top tension riser. Select the parameters, use the system to calculate, and the results of the results with the published results were compared, found that the results are more consistent, to a certain extent, verify the feasibility of the system can provide reference for the design of the riser.

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