In this paper, the dynamic responses of jacket-type offshore platforms under random sea waves is studied, and the finite element of spatial frame is adopted.
本文分析研究了导管架平台结构在随机波浪作用下的动力响应问题。采用空间刚架单元建立有限元方程。
Due to the special manufacture craft and the new structure of laser welded dimple-plate jacket, it is necessary to be studied by experimental and theory analysis (mainly finite element analysis).
由于激光焊蜂窝夹套的特殊制造工艺及其新颖结构，需对其进行一个系统的实验研究和理论分析(主要是有限元数值模拟分析)。
And it is the groundwork of later jacket structure finite element analysis.
对夹套材料的弹性、塑性性能进行研究，为有限元分析打下基础。
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