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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：Extension of a coupled mooring-viscous flow solver to account for mooring-joint-multibody interaction in waves

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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.

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