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首页> 外文期刊>Journal of ocean engineering and marine energy >Extension of a coupled mooring-viscous flow solver to account for mooring-joint-multibody interaction in waves
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Extension of a coupled mooring-viscous flow solver to account for mooring-joint-multibody interaction in waves

机译：扩展耦合系泊-粘性流动求解器，以考虑波浪中的系泊-接头-多体相互作用

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摘要

To account for nonlinear wave-structure interaction, mooring dynamics and the associated viscous flow effects, a coupled mooring-viscous flow solver was formerly developed and validated (Jiang et al. in Mar Struct 72:783, 2020a, Validation of a dynamic mooring model coupled with a RANS solver). This paper presents an extension of the coupled mooring-viscous flow solver to solve mooring dynamics interacting with an articulated multibody offshore system. The presently extended solver is verified by comparing the predicted motions of and loads on a moored floating box to those obtained from the formerly validated solver, which was aimed for solving mooring dynamics interacting with a single floating body. The almost identical results obtained from both solvers verify the presently developed multi-module coupling technique for solving the mooring dynamics and articulated multibody dynamics in a coupled manner. Apart from the code comparison and verification, the numerical predictions are also validated against experimental tank measurements both for a single body and an articulated multibody. The good agreements between the numerical predictions and the experimental measurements validate the presently extended solver, where wave-induced body motions together with loads acting on mooring lines and joint connections were examined. Developed as an open-source tool, the extended solver shows a potential of the coupled methodology for analyzing an articulated multibody offshore system, moored with various mooring configurations in extreme sea states, which goes beyond the state of the art.
机译：考虑到非线性波结构相互作用,系泊动力学和相关联的耦合mooring-viscous粘性流的影响流解决以前开发和验证(2020年3月Struct 72:783江等人,验证动态系泊模型的耦合解决了)。耦合mooring-viscous流的延伸解决解决系泊动力学相互作用一个离岸铰接多体系统。目前扩展验证解决比较和负荷的预测运动那些从停泊浮动框以前验证解算器,这是目标解决系泊动力学相互作用单一的浮体。解决验证结果目前开发的多模块耦合系泊动态和技术来解决的多体动力学耦合的方式。也验证,数值预测验证与实验箱测量一个身体和一个铰接多体。数值预测和实验目前测量验证扩展解算器,海浪引发的身体动作与载荷作用于系泊缆绳和关节连接检查。开源工具,解算器显示了一个扩展潜在的耦合方法分析一个铰接多体离岸系统,与不同的系泊泊配置在极端海洋国家艺术的状态。

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