海上自升式钻井平台结构非线性分析
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摘要: 本文分析海上自升式钻井平台结构特征及其桩腿结构非线性大位移特点,采用非线性有限元分析方法,提出考虑剪切影响的三维梁单元几何非线性分析新的方法,并编制相应分析程序,对自升式钻井平台桩腿结构非线性问题进行了合理地分析,取得合理的分析结果.文中还通过自升式钻井平台实例分析说明了此法的应用.
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