IMECH-IR  > 流固耦合系统力学重点实验室
Combined effects of topography and bottom friction on shoaling internal solitary waves in the South China Sea. Applied Mathematics and Mechanics
Tan DL(檀大林); Zhou JF(周济福); Wang X(王旭); Wang Z(王展)
Source PublicationApplied Mathematics and Mechanics
2019-04
Volume40Issue:4Pages:421-434
ISSN0253-4827
Abstract

A numerical study to a generalized Korteweg-de Vries (KdV) equation is adopted to model the propagation and disintegration of large-amplitude internal solitary waves (ISWs) in the South China Sea (SCS). Based on theoretical analysis and in situ measurements, the drag coefficient of the Chezy friction is regarded as inversely proportional to the initial amplitude of an ISW, rather than a constant as assumed in the previous studies. Numerical simulations of ISWs propagating from a deep basin to a continental shelf are performed with the generalized KdV model. It is found that the depression waves are disintegrated into several solitons on the continental shelf due to the variable topography. It turns out that the amplitude of the leading ISW reaches a maximum at the shelf break, which is consistent with the field observation in the SCS. Moreover, a dimensionless parameter defining the relative importance of the variable topography and friction is presented.

DOI10.1007/s10483-019-2465-8
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000463606000001
Classification二类/Q1
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78240
Collection流固耦合系统力学重点实验室
Recommended Citation
GB/T 7714
Tan DL,Zhou JF,Wang X,et al. Combined effects of topography and bottom friction on shoaling internal solitary waves in the South China Sea. Applied Mathematics and Mechanics[J]. Applied Mathematics and Mechanics,2019,40(4):421-434.
APA Tan DL,Zhou JF,Wang X,&Wang Z.(2019).Combined effects of topography and bottom friction on shoaling internal solitary waves in the South China Sea. Applied Mathematics and Mechanics.Applied Mathematics and Mechanics,40(4),421-434.
MLA Tan DL,et al."Combined effects of topography and bottom friction on shoaling internal solitary waves in the South China Sea. Applied Mathematics and Mechanics".Applied Mathematics and Mechanics 40.4(2019):421-434.
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