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Chinese Journal of Oceanology and Limnology

, Volume 34, Issue 4, pp 821–834 | Cite as

Experiments on exactly computing non-linear energy transfer rate in MASNUM-WAM

  • Xingjie Jiang (江兴杰)Email author
  • Daolong Wang (王道龙)
  • Dalu Gao (高大鲁)
  • Tingting Zhang (张婷婷)
Physics

Abstract

The Webb-Resio-Tracy (WRT) method for exact computation of the non-linear energy transfer rate was implemented in MASNUM-WAM, which is a third-generation wave model solving the discrete spectral balance equation. In this paper, we describe the transformation of the spectral space in the original WRT method. Four numerical procedures were developed in which the acceleration techniques in the original WRT method, such as geometric scaling, pre-calculating, and grid-searching, are all reorganized. A series of numerical experiments including two simulations based on real data were performed. The availability of such implementation in both serial and parallel versions of the wave model was proved, and a comparison of computation times showed that some of the developed procedures provided good efficacy. With exact computation of non-linear energy transfer, MASNUM-WAM now can be used to perform numerical experiments for research purposes, which augurs well for further developments of the model.

Keywords

nonlinear energy transfer the WRT method geometric scaling MASNUM-WAM 

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Copyright information

© Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Xingjie Jiang (江兴杰)
    • 1
    • 2
    Email author
  • Daolong Wang (王道龙)
    • 2
  • Dalu Gao (高大鲁)
    • 1
    • 2
  • Tingting Zhang (张婷婷)
    • 2
  1. 1.Ocean University of ChinaQingdaoChina
  2. 2.First Institute of OceanographyState Oceanic AdministrationQingdaoChina

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