对约束条件以及结构单元参数进行了分析，得到了龙骨结构在重力载荷作用下的应力和变形。
By dealing with constraint condition and cell parameter, results of elements' stress and nodal displacement of the keel were obtained under gravity load condition.
本文介绍了海上钻井平台由重力、浮力、风、波浪、潮流及地震力引起的外载荷计算方法，并编制了相应的计算程序。
This paper presents the calculation method of external loadings for offshore drilling platforms induced by gravity, buoyancy, wind, wave, current and seismic force, and relative computer programs.
完成了硬管在海洋载荷和中间仓重力作用下的模拟实验，并对实验结果与理论计算结果进行了对比研究。
Simulation experiment of the rigid pipe suffered from oceanic forces and buffer station were done. Experimental result were contrasted to the academic calculated value.
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