悬垂状海洋管线建模和分析方法综述

Review of Suspended Submarine Pipeline Modelling and Analysis Techniques

全面地阐述悬垂状管线常用的空间建模方法:悬链线法、非线性梁理论、弹性杆理论、集中质量法和多刚体理论;分析各方法的计算精度、效率和适用范围;分别针对悬垂状海洋管线在时间上离散的静力分析和动力响应分析,总结常用的数值算法,简单说明这些算法的优势和不足之处;对悬垂状海洋管线建模和分析方法的研究现状进行总结,并对今后的研究热点进行展望。

The common modelling approach of suspended submarine pipeline in the space： catenary method, nonlinear beam theory, elastic rod theory, lumped mass method and rigid finite element method, are introduced, the computational accuracy and efficiency of each method are analyzed, and the scope of application is pointed out. The numerical algorithms of the time used in static and dynamic analysis of pipeline are summarized and their advantages and disadvantages are listed. The research status of suspended submarine pipeline modelling and analysis techniques are summarized, and future research works are discussed.