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Analysis of current induced by long internal solitary waves in stratified ocean
Zhang HQ(张会琴); Li JC(李家春); Zhang HQ
Source PublicationActa Mechanica Sinica
AbstractAn approximate theoretical expression for the current induced by long internal solitary waves is presented when the ocean is continuously or two-layer stratified. Particular attention is paid to characterizing velocity fields in terms of magnitude, flow components, and their temporal evolution/spatial distribution. For the two-layer case, the effects of the upper/lower layer depths and the relative layer density difference upon the induced current are further studied. The results show that the horizontal components are basically uniform in each layer with a shear at the interface. In contrast, the vertical counterparts vary monotonically in the direction of the water depth in each layer while they change sign across the interface or when the wave peak passes through. In addition, though the vertical components are generally one order of magnitude smaller than the horizontal ones, they can never be neglected in predicting the heave response of floating platforms in gravitationally neutral balance. Comparisons are made between the partial theoretical results and the observational field data. Future research directions regarding the internal wave induced flow field are also indicated.
KeywordInduced Current Internal Solitary Waves Stratified Flow Two-layer Fluid Asymptotic Analysis Solitons
Indexed BySCI
WOS IDWOS:000282089700001
WOS Research AreaEngineering ; Mechanics
WOS SubjectEngineering, Mechanical ; Mechanics
Funding OrganizationMinistry of Science and Technology (MST) of China ; Chinese Academy of Sciences (CAS) [2006AA09A103-4, KJCX-YW-L02]
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang HQ
Recommended Citation
GB/T 7714
Zhang HQ,Li JC,Zhang HQ. Analysis of current induced by long internal solitary waves in stratified ocean[J]. Acta Mechanica Sinica,2010,26(5):653-660.
APA 张会琴,李家春,&Zhang HQ.(2010).Analysis of current induced by long internal solitary waves in stratified ocean.Acta Mechanica Sinica,26(5),653-660.
MLA 张会琴,et al."Analysis of current induced by long internal solitary waves in stratified ocean".Acta Mechanica Sinica 26.5(2010):653-660.
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