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| Nonlinear Finite Element Analysis of Ocean Cables |
| 作者：Nam-ⅡKIM[1] Sang-SooJEON[2] Moon-YoungKIM[1]； 出处：海洋工程：英文版. 2004,18(4).-537-550 |
| 关键词：非线性力学 有限元法 海浪 自加权 电缆分割 |
| 英文 |
| 文章摘要：This study has focused on developing numerical procedures for the dynamic nonlinear analysis of cable structures subjected to wave forces and ground motions in the ocean. A geometrically nonlinear finite element procedure using the isoparamnetrie curved cable element based on the Lagrangian folmulation is briefly summarized. A simple and accurate method to determine the initial equilibrium state of cable systems associated with self-weights, buoyancy and the motion of end points is presented using the load incremental method combined with penalty method. Also the Newmark method is used for dynamic nonlinear analysis of ocean cables. Numerical examples are presented to validate the present numerical method. |
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