半潜式波浪能养殖平台与系泊系统的耦合动力分析

黄硕; 梁诗琪; 盛松伟; 马山; 陈纪康; 李建东

doi:10.19912/j.0254-0096.tynxb.2021-0786

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (8) : 463-471. DOI: 10.19912/j.0254-0096.tynxb.2021-0786

半潜式波浪能养殖平台与系泊系统的耦合动力分析

黄硕^1,2, 梁诗琪^1,2, 盛松伟³, 马山⁴, 陈纪康⁴, 李建东⁴

作者信息 +

DYNAMIC ANALYSIS OF COUPLED SEMI-SUBMERSIBLE WAVE ENERGY AQUACULTURE PLATFORM AND MOORING SYSTEM

Huang Shuo^1,2, Liang Shiqi^1,2, Sheng Songwei³, Ma Shan⁴, Chen Jikang⁴, Li Jiandong⁴

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文章历史 +

摘要

以“澎湖号”半潜式波浪能养殖平台为研究对象,开展养殖平台及其系泊系统在浪、流联合作用下水动力性能的研究。基于三维势流理论,应用一阶泰勒展开边界元方法对其频域水动力进行计算,研究不同浪向下平台的运动响应和二阶波浪漂移力。采用间接时域分析方法和异步耦合方法实现平台和系泊系统的时域耦合动力求解,对不同浪流组合工况下平台的时域运动与锚链张力进行分析。研究表明,在南海常规海况中平台稳定性较好,立柱间水动力干扰尤为明显,顺浪时平台所受的二阶波浪漂移力最小。在与系泊系统的耦合作用下,平台的横摇与纵摇运动受入射波浪向的影响较大,入射波波高对顺浪下的平台横摇运动和横浪与斜浪下平台纵摇运动影响明显。

Abstract

The semi-submersible wave energy aquaculture platform "Penghu" is located in the open sea area, with large waves and rapid currents. Therefore, it is required that the platform not only meets the needs of aquaculture, but also has the ability of efficient power generation as well as wind and wave resistance. It is of great significance for the engineering safety and design to study the hydrodynamics characteristics of the aquaculture platform and its mooring system under the combined action of waves and currents. Based on the three-dimensional potential flow theory, the first-order Taylor expansion boundary element method is used to calculate the hydrodynamics characteristics in the frequency domain, and the first-order wave force and second-order wave drift force of the platform under waves from different directions are studied. Indirect time-domain analysis method and asynchronous coupling method are used to solve the time-domain coupling dynamic solution of the platform and its mooring system. The time-domain motion of the platform and the tension of mooring lines under different wave-current conditions are analyzed. The results show that under conventional sea conditions in the South China Sea the platform has great hydrodynamic performance with obvious hydrodynamic interference between columns, and the second-order wave drift force are the least when the platform stays in following seas. Under the coupling action with the mooring system, the pitch and roll motion responses of the platform are most affected by the incident wave angle, the roll motion response of the platform is most affected by the significant wave height when it performs in following sea, while the pitch motion response is most affected by significant wave height when it performs in beam sea or under oblique waves.

导出引用

黄硕, 梁诗琪, 盛松伟, 马山, 陈纪康, 李建东. 半潜式波浪能养殖平台与系泊系统的耦合动力分析[J]. 太阳能学报. 2022, 43(8): 463-471 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0786

Huang Shuo, Liang Shiqi, Sheng Songwei, Ma Shan, Chen Jikang, Li Jiandong. DYNAMIC ANALYSIS OF COUPLED SEMI-SUBMERSIBLE WAVE ENERGY AQUACULTURE PLATFORM AND MOORING SYSTEM[J]. Acta Energiae Solaris Sinica. 2022, 43(8): 463-471 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0786

中图分类号： O352

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