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Discussion of 'Local Scour Mechanism around Dynamically Active Marine Structures in Noncohesive Sediments and Unidirectional Current' by M. Al-Hammadi and R. R. Simons
| 题名： | Discussion of 'Local Scour Mechanism around Dynamically Active Marine Structures in Noncohesive Sediments and Unidirectional Current' by M. Al-Hammadi and R. R. Simons |
| 正文语种： | eng |
| 作者： | Dawei Guan;Yee-Meng Chiew |
| 作者单位： | Key Laboratory of Coastal Disaster and Defense (Hohai Univ.) Ministry of Education Nanjing 210098 China School of Civil and Environmental Engineering Nanyang Technological Univ. Singapore 639798 Singapore;School of Civil and Environmental Engineering Nanyang Technological Univ. Singapore 639798 Singapore |
| 摘要： | In their paper, the authors present the physics of the mechanism of local scour around a monopile subjected to both unidirectional current and forced vibrations. In advocating the need for the inclusion of dynamic motions induced by the structure in the scouring process, the authors correctly stated that this physical system is present in the foundation of a wind turbine monopile and should not be ignored. Such dynamic motions could be self-excited, e.g., that experienced by submarine pipelines (Guan et al. 2020) or forced, as is the case investigated in this paper. Similarities and differences between the effect of self-induced or forced vibrations on scour around coastal and offshore structures are present, and research studies in both these cases are needed. |
| 出版年： | 2021 |
| 期刊名称： | Journal of Waterway, Port, Coastal, and Ocean Engineering |
| 卷： | 147 |
| 期： | 1 |
| 页码： | 07020002.1-07020002.2 |
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