Forces and torques exerted by internal solitons in shear flows on cylindrical piles
Cai, SQ; Long, XM; Wang, SG; caisq@scsio.ac.cn
2008
发表期刊APPLIED OCEAN RESEARCH
ISSN0141-1187
卷号30期号:1页码:72-77
摘要Without shear effect, Cai et al. [Cai S, Long X, Gan Z. A method to estimate the forces exerted by internal solitons on cylindrical piles. Ocean Eng 2003;30(5):673-89; Cai S, Wang S, Long X. A simple estimation of the force exerted by internal solitons on cylindrical piles. Ocean Eng 2006;33(7):974-80] introduced Morison's empirical formula and modal separation method to estimate the forces and torques exerted by internal solitons on cylindrical piles. However, due to the residual Currents, there always exist shear flows in the ocean. In this paper, the observational data recording a passage of the internal soliton near Dongsha Islands are used to compute the force and torque exerted by the internal soliton in shear flows on a supposed pile for comparison with the nonshear case. It is found that the effects of the shear on the computed wave speed, wave form, environmental parameters of the nonlinear internal wave, the corresponding force and torque on the cylindrical pile are important. When different modal waves are retained in the calculations, both forces and torques exerted by the internal soliton in a shear flow on the pile are larger than those without shear, especially for the estimated torques. The uncertainty of the estimates is also discussed. (C) 2008 Elsevier Ltd. All rights reserved.
部门归属[Cai, Shuqun; Long, Xiaomin; Wang, Shengan] Chinese Acad Sci, S China Sea Inst Oceanol, LED, Guangzhou 510301, Guangdong, Peoples R China
关键词Internal Solitary Wave Shear Flow Force Torque Pile Method
学科领域Engineering, Ocean ; Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000259930400008
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5961
专题热带海洋环境国家重点实验室(LTO)
通讯作者caisq@scsio.ac.cn
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Cai, SQ,Long, XM,Wang, SG,et al. Forces and torques exerted by internal solitons in shear flows on cylindrical piles[J]. APPLIED OCEAN RESEARCH,2008,30(1):72-77.
APA Cai, SQ,Long, XM,Wang, SG,&caisq@scsio.ac.cn.(2008).Forces and torques exerted by internal solitons in shear flows on cylindrical piles.APPLIED OCEAN RESEARCH,30(1),72-77.
MLA Cai, SQ,et al."Forces and torques exerted by internal solitons in shear flows on cylindrical piles".APPLIED OCEAN RESEARCH 30.1(2008):72-77.
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