Introduction of the open-source boundary element method solver hams to the ocean renewable energy community

研究成果: ジャーナルへの寄稿会議記事査読

1 被引用数 (Scopus)

抄録

A floating offshore renewable energy (ORE) device, such as an offshore wind turbine or wave energy converter, often consists of a floating foundation anchored by a mooring system. Wave interactions with the substructure are essential to its survivability and performance. In the recent decade, an open-source numerical solver HAMS has been developed based on the potential flow theory in analyzing wave-interactions with a three-dimensional arbitrarily-shaped floating or submerged body. The hybrid source-dipole boundary integral equation provides a high degree of accuracy. The so-called irregular frequencies are removed by applying the least-squares method, avoiding the additional numerical work in resolving the wave potentials on the water-plane cross-section. The lower–upper (LU) decomposition method is then used to solve the complex linear algebraic system. Planes of symmetry and parallelism techniques are employed to speed up the computation. Wave diffraction forces, radiation hydrodynamic coefficients and response amplitude operators (RAOs) are evaluated after the wave potentials are obtained. The freesurface elevation and the wave pressure field are also available at the users’ choice. A numerical benchmark of the DeepCwind semisubmersible platform is supplied for illustration of using the solver.

本文言語英語
ページ(範囲)2196-1-2196-5
ジャーナルProceedings of the European Wave and Tidal Energy Conference
出版ステータス出版済み - 2021
外部発表はい
イベント14th European Wave and Tidal Energy Conference, EWTEC 2021 - Virtual, Online
継続期間: 9月 5 20219月 9 2021

!!!All Science Journal Classification (ASJC) codes

  • エネルギー工学および電力技術
  • 再生可能エネルギー、持続可能性、環境
  • 海洋工学
  • 水の科学と技術

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