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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
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号17期号:2页码:125-131
文章类型Article
摘要A 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.
关键词Numerical Model Internal Tide Model Split Semi-implicit Difference Scheme
收录类别SCI
语种英语
WOS记录号WOS:000208346500005
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32964
专题海洋环流与波动重点实验室
作者单位1.Ocean Univ Qingdao, Phys Oceanog Inst, Qingdao 266003, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
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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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