IMECH-IR  > 流固耦合系统力学重点实验室
Wave pressure acting on V-shaped floating breakwater in random seas
Yu Y; Ding N; Lin J; Hou JJ; Ding, N (reprint author), Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China.
Source PublicationJOURNAL OF OCEAN UNIVERSITY OF CHINA
2015-10
Volume14Issue:6Pages:975-981
ISSN1672-5182
AbstractWave 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.
KeywordRandom Seas V-shaped Floating Breakwater Wave Pressure Boundary Element Method Spectrum Analysis
DOI10.1007/s11802-015-2450-2
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000364572000006
WOS KeywordDIFFRACTION
WOS Research AreaOceanography
WOS SubjectOceanography
Funding OrganizationThis work was supported by the Science Fund for Creative Research Groups of the National Natural Science Foundation of China (Grant no. 51021004), the Research Fund of State Key Laboratory in Ocean Engineering of Shanghai Jiaotong University (Grant no. 1104), and the Scientific Research Foundation of Civil Aviation University of China (Grant no. 09QD08X).
ClassificationQ4
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58383
Collection流固耦合系统力学重点实验室
Corresponding AuthorDing, N (reprint author), Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China.
Recommended Citation
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,&Ding, N .(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.
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