Considering the floating system pitching and sway motion,internal fluid flowing and external wave load,the vibration equation of marine riser is established. The finite element method is implemented to solve the matrix equation of equilibrium.
考虑浮式装置升沉及横荡运动、立管内流体流动及立管外波浪荷载的共同作用,建立立管振动方程,采用有限元法进行求解,并分析升沉及横荡运动对海洋立管动力响应的影响规律。
参考来源 - 浮式装置升沉及横荡运动下海洋立管动力响应研究Marine riser system is the main constituent of ocean infrastructure, and it is one of the weakest and most delicate components.
海洋立管系统是海洋下部基础结构的关键组成部分,但也是薄弱易损的构件之一。
参考来源 - 深水顶张式立管的非线性动力分析及浪致疲劳研究·2,447,543篇论文数据，部分数据来源于NoteExpress
海洋立管是海洋平台与海底井口间的主要连接件。
Marine risers are the main connecter between a platform and the mouth of a well in the seabed.
由手中国大部分的海上油田水深都比较浅，所以重点研究浅水中的海洋立管。
Because most of the offshore oil fields in China are in the shallow water, the experiment and numeric simulation are focused on the risers in the shallow water.
考虑管内流动流体和管外海洋环境荷载共同作用，建立海洋立管侧向运动微分方程。
Considering the internal flowing fluid and the external environmental loads, the lateral vibration differential equation of a Marine riser is derived.
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