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A LAYERED NUMERICAL MODEL FOR SIMULATING THE GENERATION AND PROPAGATION OF INTERNAL TIDES OVER CONTINENTAL SLOPE I. MODEL DESIGN
Du Tao1,2; Fang Guo-hong2; Fang Xin-hua1
1999-06-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume17Issue:2Pages:125-131
SubtypeArticle
AbstractA layered three-dimensional nonlinear numerical model was constructed to simulate the generation and propagation of internal tides over the continental slope. The simulation was split into external mode computation (EMC) and internal mode computation (IMC) to minimize the computational load. IMC was carried out once after EMC was implemented N times. As to EMC, a semi-implicit numerical scheme was applied in such a way that the pressure gradient terms and the velocity divergence terms were discretized semi-implicitly, but the other terms were discretized explicitly. Eulerian-Lagrangian explicit discretization was applied to the convective terms simultaneously. As a result, the stability of EMC did not depend on the wave celerity and time step was not limited by the CFL condition. More than that, use of the conjugate gradient accelerated Jacobi method further improved the computational efficiency of the model.
KeywordNumerical Model Internal Tide Model Split Semi-implicit Difference Scheme
Indexed BySCI
Language英语
WOS IDWOS:000208346500005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/32964
Collection海洋环流与波动重点实验室
Affiliation1.Ocean Univ Qingdao, Phys Oceanog Inst, Qingdao 266003, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Du Tao,Fang Guo-hong,Fang Xin-hua. A LAYERED NUMERICAL MODEL FOR SIMULATING THE GENERATION AND PROPAGATION OF INTERNAL TIDES OVER CONTINENTAL SLOPE I. MODEL DESIGN[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,1999,17(2):125-131.
APA Du Tao,Fang Guo-hong,&Fang Xin-hua.(1999).A LAYERED NUMERICAL MODEL FOR SIMULATING THE GENERATION AND PROPAGATION OF INTERNAL TIDES OVER CONTINENTAL SLOPE I. MODEL DESIGN.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,17(2),125-131.
MLA Du Tao,et al."A LAYERED NUMERICAL MODEL FOR SIMULATING THE GENERATION AND PROPAGATION OF INTERNAL TIDES OVER CONTINENTAL SLOPE I. MODEL DESIGN".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 17.2(1999):125-131.
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