Citation:
Jang Kim,Sewan Park,Zhirong Shen,et al.High-Level Spectral Method for the Fully Nonlinear Waves[J].Journal of Marine Science and Application,2023,(1):115-127.[doi:10.1007/s11804-023-00323-z]
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High-Level Spectral Method for the Fully Nonlinear Waves
Jang Kim,Sewan Park,Zhirong Shen,et al.High-Level Spectral Method for the Fully Nonlinear Waves[J].Journal of Marine Science and Application,2023,(1):115-127.[doi:10.1007/s11804-023-00323-z]
Info
- Title:
- High-Level Spectral Method for the Fully Nonlinear Waves
- Author(s):
- Jang Kim1; Sewan Park2; Zhirong Shen1; Johyun Kyoung1; Aldric Baquet1; Hyungtae Lee1; Yoon-Jin Ha2; Ji-Yong Park2; and Kyong-Hwan Kim2
- Affilations:
- DOI:
- 10.1007/s11804-023-00323-z
- Abstract:
- Efficient generation of an accurate numerical wave is an essential part of the Numerical Wave Basin that simulates the interaction of floating structures with extreme waves. computational fluid dynamics (CFD) is used to model the complex free-surface flow around the floating structure. To minimize CFD domain that requires intensive computing resources, fully developed nonlinear waves are simulated in a large domain that covers far field by more efficient potential flow model and then coupled with the CFD solution nearfield. Several numerical models have been proposed for the potential flow model. the higher-level spectral (HLS) method presented in this paper is the extended version of HLS model for deep water recently been derived by combining efficiency and robustness of the two existing numerical models–Higher-Order Spectral method and Irrotational Green-Naghdi model (Kim et al. 2022). The HLS model is extended for the application of finite-depth of water considering interaction with background current. The verification of the HLS model for finite depth is made by checking the qualification criteria of the generated random waves for a wind-farm application in the Dong-Hae Sea of Korea. A selected wave event that represents P90 crest height is coupled to a CFD-based numerical wave tank for the future air-gap analysis of a floating wind turbine.
References:
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Memo
- Memo:
- Received date:2022-10-21;Accepted date:2023-2-9。<br>Foundation item:Supported by the R&D Project of "Develop- ment of core technology for offshore green hydrogen to realize a carbon-neutral society" by the Korea Research Institute of Ships and Ocean Engineering (PES4360).<br>Corresponding author:Jang Kim,E-mail:jang.kim@frontenergies.com
