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A blind comparative study of focused wave Interactions with floating structures (CCP-WSI Blind Test Series 3)

Ransley, Edward, Yan, Shiqiang, Brown, Scott, Hann, Martyn, Graham, David, Windt, Christian, Schmitt, Pál, Davidson, Josh, Ringwood, John, Musiedlak, Pierre-Henri, Wang, Jinghua, Wang, Junxian, Ma, Qingwei, Xie, Zhihua, Zhang, Ningbo, Zheng, Xing, Giorgi, Giuseppe, Chen, Hao, Lin, Zaibin, Qian, Ling, Ma, Zhihua, Bai, Wei, Chen, Qiang, Zang, Jun, Ding, Haoyu, Cheng, Lin, Zheng, Jinhai, Gu, Hanbin, Gong, Xiwu, Liu, Zhenghao, Zhuang, Yuan, Wan, Decheng, Bingham, Harry and Greaves, Deborah 2020. A blind comparative study of focused wave Interactions with floating structures (CCP-WSI Blind Test Series 3). International Journal of Offshore and Polar Engineering 30 (1) , pp. 1-10. 10.17736/ijope.2020.jc774

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Abstract

Results from the CCP-WSI Blind Test Series 3 are presented. Participants, with numerical methods, ranging from low-fidelity linear models to high-fidelity Navier–Stokes (NS) solvers, simulate the interaction between focused waves and floatingstructures without prior access to the physical data. The waves are crest-focused NewWaves with various crest heights.Two structures are considered: a hemispherical-bottomed buoy and a truncated cylinder with a moon-pool; both are taut-moored with one linear spring mooring. To assess the predictive capability of each method, numerical results for heave,surge, pitch, and mooring load are compared against corresponding physical data. In general, the NS solvers appear topredict the behaviour of the structures better than the linearised methods, but there is considerable variation in the results(even between similar methods). Recommendations are made for future comparative studies and development of numericalmodelling standards.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: International Society of Offshore and Polar
ISSN: 1053-5381
Last Modified: 25 Jun 2020 19:37
URI: http://orca.cf.ac.uk/id/eprint/130066

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