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• This is being called the Lower Marine Riser Package system.

这个措施称为下层海底油管封装系统

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• Marine riser is a critical component of a floating vessel drilling system.

水管钻井系统一个关键部件

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• And the mechanics analysis of the Marine riser becomes more and more important.

钻井隔水管力学分析显得越来越重要。

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• Marine riser is a steel or flexible pipe which transfer well fluids from the seabed to the surface.

采油就是海底输送油气至海面的钢管软管

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• It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.

模型计算结果表明模态振型、频率激振动响应高度耦合，并且对于质量比的情况尤为明显。

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• Based on the flow moment equation, developed the lateral motion equation of a Marine riser by considering the coupling of the fluid and the pipe.

流体动量方程出发，考虑流体管道耦合，推导输运流体海洋管的微分运动方程。

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• Considering the internal flowing fluid and the external environmental loads, the lateral vibration differential equation of a Marine riser is derived.

考虑管内流动流体海洋环境荷载共同作用，建立海洋立管侧向运动微分方程

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• A formulation to analyse the large displacement problem of a Marine riser with two unequal principal moments of inertia of the cross section in the 3-d space is presented.

本文对截面具有两个不相等惯性海洋石油立管三向位移分析作了理论推导。

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• Considering the 3-d loads borne by the Marine riser, and using finite element method, the article analyzes the dynamics characteristics of the deep Marine riser with the 3-d dynamics model.

文章考虑水管所受载荷运用有限元，采用三维动力学模型深水钻井隔水管动力特性进行了计算分析

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• Considering the 3-d loads borne by the Marine riser, and using finite element method, the article analyzes the dynamics characteristics of the deep Marine riser with the 3-d dynamics model.

文章考虑水管所受载荷运用有限元，采用三维动力学模型深水钻井隔水管动力特性进行了计算分析

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