A layered numerical model for simulating the generation and propagation of internal tides over continental slope

Du Tao; Fang Guo-hong; Fang Xin-hua

doi:10.1007/BF02842710

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A layered numerical model for simulating the generation and propagation of internal tides over continental slope

OriginalPaper | Updated：2023-05-16

- A layered numerical model for simulating the generation and propagation of internal tides over continental slope
- A layered numerical model for simulating the generation and propagation of internal tides over continental slope
- 海洋湖沼学报（英文） 1999年17卷第2期页码：125-131
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. Physical Oceanography Institute Ocean University of Qingdao
- Author bio：
- Funds：
  
  Contribution No. 3588 from the Institute of Oceanology, Chinese Academy of Sciences.;Project 49676275 supported by NSFC and National Special Research Program 97-925-05-02.
- DOI：10.1007/BF02842710
  中图分类号：
- 纸质出版：1999
- Accepted：
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A layered numerical model for simulating the generation and propagation of internal tides over continental slope[J]. 海洋湖沼学报（英文）, 1999,17(2):125-131.

Tao, D., Guo-hong, F. & Xin-hua, F. A layered numerical model for simulating the generation and propagation of internal tides over continental slope., Chin. J. Ocean. Limnol. 17, 125–131 (1999). https://doi.org/10.1007/BF02842710
A layered numerical model for simulating the generation and propagation of internal tides over continental slope[J]. 海洋湖沼学报（英文）, 1999,17(2):125-131. DOI： 10.1007/BF02842710.

Tao, D., Guo-hong, F. & Xin-hua, F. A layered numerical model for simulating the generation and propagation of internal tides over continental slope., Chin. J. Ocean. Limnol. 17, 125–131 (1999). https://doi.org/10.1007/BF02842710 DOI：

摘要

Abstract

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.

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references

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