海上采油平台的垂直立管频繁受到波浪力的作用。
In the riser system of offshore platform, the wave force ACTS frequently on the riser.
波浪荷载沿垂直立管的分布是不规则的，这对工程中用有限元法分析立管强度进行等效波浪结点力的计算带来困难。
The irregular distribution of the wave load along the erect riser makes the computation of equivalent wave nodal force difficult when applying Finite Element Method to analyze risers strength.
本文应用线性波理论，通过波浪叠加法，探讨了海洋平台油气生产立管系统的动力性质。
In this paper, linear wave theory and wave superposition method are used to study dynamic behavior of oil or gas production risers on the offshore platform.
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