Wave pressure acting on V-shaped floating breakwater in random seas

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Wave pressure acting on V-shaped floating breakwater in random seas
	Yu Y; Ding N; Lin J; Hou JJ
刊名	JOURNAL OF OCEAN UNIVERSITY OF CHINA
	2015-10
通讯作者邮箱	n_ding@163.com
卷号	14 期号:6 页码:975-981
关键词	random seas V-shaped floating breakwater wave pressure boundary element method spectrum analysis
ISSN号	1672-5182
通讯作者	Ding, N (reprint author), Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China.
产权排序	[Yu Yang] Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China; [Ding Ning] Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China; [Ding Ning] Inst Mil Transportat, Tianjin 300161, Peoples R China; [Lin Jie] Civil Aviat Univ China, Sino European Inst Aviat Engn, Tianjin 300300, Peoples R China; [Hou Jiajia] Tianjin Xingang Shipbuilding Heavy Ind Co Ltd, Business Dept, Tianjin 300452, Peoples R China
中文摘要	Wave pressure on the wet surface of a V-shaped floating breakwater in random seas is investigated. Considering the diffraction effect, the unit velocity potential caused by the single regular waves around the breakwater is solved using the finite-depth Green function and boundary element method, in which the Green function is solved by integral method. The Response-Amplitude Operator (RAO) of wave pressure is acquired according to the Longuet-Higgins' wave model and the linear Bernoulli equation. Furthermore, the wave pressure's response spectrum is calculated according to the wave spectrum by discretizing the frequency domain. The wave pressure's characteristic value corresponding to certain cumulative probability is determined according to the Rayleigh distribution of wave heights. The numerical results and field test results are compared, which indicates that the wave pressure calculated in random seas agrees with that of field measurements. It is found that the bigger angle between legs will cause the bigger pressure response, while the increase in leg length does not influence the pressure significantly. The pressure at the side of head sea is larger than that of back waves. When the incident wave angle changes from 0A degrees to 90A degrees, the pressure at the side of back waves decreases clearly, while at the side of head sea, the situation is more complicated and there seems no obvious tendency. The concentration of wave energy around low frequency (long wavelength) will induce bigger wave pressure, and more attention should be paid to this situation for the structure safety.
分类号	Q4
类目[WOS]	Oceanography
研究领域[WOS]	Oceanography
关键词[WOS]	DIFFRACTION
收录类别	SCI
原文出处	http://dx.doi.org/10.1007/s11802-015-2450-2
语种	英语
WOS记录号	WOS:000364572000006
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/58383]
专题	力学研究所_流固耦合系统力学重点实验室(2012-)
推荐引用方式 GB/T 7714	Yu Y,Ding N,Lin J,et al. Wave pressure acting on V-shaped floating breakwater in random seas[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2015,14(6):975-981.
APA	Yu Y,Ding N,Lin J,&Hou JJ.(2015).Wave pressure acting on V-shaped floating breakwater in random seas.JOURNAL OF OCEAN UNIVERSITY OF CHINA,14(6),975-981.
MLA	Yu Y,et al."Wave pressure acting on V-shaped floating breakwater in random seas".JOURNAL OF OCEAN UNIVERSITY OF CHINA 14.6(2015):975-981.