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A numerical and experimental study of internal solitary wave loads on semi-submersible platforms
Wang X(王旭); Zhou JF(周济福); Wang Z(王展); You YX
AbstractUsing a double-plate wave maker, a series of laboratory experiments of internal solitary wave (ISW) loads on semi-submersible platforms were conducted in a density stratified fluid tank. Combined with experimental results, a numerical flume based on the Navier-Stokes equations in a two-layer fluid is developed to simulate nonlinear interactions between ISWs and a semi-submersible platform. The numerical results of horizontal and vertical forces, as well as torques on the semi-submersible platform also agree well with the experimental measurements. Besides, the numerical results indicate that the horizontal and vertical forces on the semi-submersible platform due to ISWs can be divided into three components, namely the wave pressure-difference forces, viscous pressure difference forces, and the frictional force which is negligible. For the horizontal force, the wave and viscous pressure-difference components are of the same order, implying that the viscous effect is significant. For the vertical force, the contribution of the viscous pressure-difference is not important. Moreover, the diffraction effect is significant for horizontal force and insignificant for vertical force. Hence, it is feasible to estimate the vertical load using the Froude-Krylov approach.
KeywordInternal solitary waves Semi-submersible platform Wave loads
Indexed BySCI ; EI
WOS IDWOS:000425560200025
WOS Research AreaEngineering, Marine ; Engineering, Civil ; Engineering, Ocean ; Oceanography
WOS SubjectEngineering ; Oceanography
Funding OrganizationNational Key R&D Program of China [2017YFC1404202] ; National Natural Science Foundation of China [11602274, 11232012, 11572332, 11372184] ; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB22040203]
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.[Wang, Xu
2.Zhou, Ji-Fu
3.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China
4.[Zhou, Ji-Fu
5.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
6.Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
Recommended Citation
GB/T 7714
Wang X,Zhou JF,Wang Z,et al. A numerical and experimental study of internal solitary wave loads on semi-submersible platforms[J]. OCEAN ENGINEERING,2018,150:298-308.
APA 王旭,周济福,王展,&You YX.(2018).A numerical and experimental study of internal solitary wave loads on semi-submersible platforms.OCEAN ENGINEERING,150,298-308.
MLA 王旭,et al."A numerical and experimental study of internal solitary wave loads on semi-submersible platforms".OCEAN ENGINEERING 150(2018):298-308.
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