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Xue Long, Lu Liu and Shunying Ji
Self-excited vibrations of offshore structures interacting with sea ice, characterized by low frequency and high amplitudes, pose significant hazards to offshore wind turbines (OWTs) in cold seas. This study employs the discrete element method (DEM) with...
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Huiming Zhang, Dong Zhang, Yong Zhou, Mark E. J. Cutler, Dandan Cui and Zhuo Zhang
Offshore wind farms have developed rapidly in Jiangsu Province, China, over the last decade. The existence of offshore wind turbines will inevitably impact hydrological and sedimentary environments. In this paper, a digital elevation model (DEM) of the i...
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Yanjing Gao, Hongwei Liu, Yonggang Lin, Yajing Gu and Yiming Ni
The rivers connecting oceans generally carry sediment due to water and soil losses in China. Additionally, the maximum sediment concentration is 300 g/L, which is much higher than that of other countries. It is unknown whether seawater with sand particle...
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Radhya Sahal, Saeed H. Alsamhi, John G. Breslin, Kenneth N. Brown and Muhammad Intizar Ali
Digital twin (DT) plays a pivotal role in the vision of Industry 4.0. The idea is that the real product and its virtual counterpart are twins that travel a parallel journey from design and development to production and service life. The intelligence that...
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Hideyuki Suzuki, Yuta Sakai, Yasuo Yoshimura, Hidetaka Houtani, Lucas H. S. Carmo, Haruki Yoshimoto, Ken Kamizawa and Rodolfo T. Gonçalves
A shallow draft cylindrical barge type floater with footing close to the water surface was experimentally evaluated in waves to investigate non-linear motion characteristics. The floater was designed to be used as an option for FOWT?floating offshore win...
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Micol Pucci, Debora Bellafiore, Stefania Zanforlin, Benedetto Rocchio and Georg Umgiesser
Our aim was to embed a 2D analytical model of a cross-flow tidal turbine inside the open-source SHYFEM marine circulation code. Other studies on the environmental impact of Tidal Energy Converters use marine circulation codes with simplified approaches: ...
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Yen-Cheng Chiang, Yu-Cheng Hsu and Shiu-Wu Chau
This paper aims to demonstrate a simplified nonlinear wake model that fills the technical gap between the low-cost and less-accurate linear formulation and the high-cost and high-accuracy large eddy simulation, to offer a suitable balance between the pre...
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Nicolo? Lombardi, Stephanie Ordonez-Sanchez, Stefania Zanforlin and Cameron Johnstone
Tidal turbine array optimization is crucial for the further development of the marine sector. It has already been observed that tidal turbines within an array can be heavily affected by excessive aerodynamic interference, thus leading to performance dete...
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In wind farms, the interaction between turbines that operate close by experience some problems in terms of their power generation. Wakes caused by upstream turbines are mainly responsible of these interactions, and the phenomena involved in this case is ...
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Pasin Plodpradit, Van Nguyen Dinh and Ki-Du Kim
This paper presents theoretical aspects and an extensive numerical study of the coupled analysis of tripod support structures for offshore wind turbines (OWTs) by using X-SEA and FAST v8 programs. In a number of site conditions such as extreme and longer...
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