Extension and modification of discrete interaction approximation (DIA) for computing nonlinear energy transfer of gravity wave spectra

Noriaki Hashimoto, Koji Kawaguchi

Research output: Contribution to conferencePaperpeer-review

22 Citations (Scopus)

Abstract

We examined the validity and the effectiveness of the DIA on the basis of the accuracy of the computations of the nonlinear energy transfer for various directional spectra. Then, we proposed new methods, an extended DIA (EDIA) and a modified DIA (MDIA). The optimum parameters included in EDIA and MDIA were properly adjusted by minimizing the errors between the exact values and their approximate values for various directional spectra. The efficiency and accuracy of the EDIA and the MDIA were examined for various directional spectra and computational conditions.

Original languageEnglish
Pages530-539
Number of pages10
Publication statusPublished - Dec 1 2001
Externally publishedYes
EventProceedings of the Fourth International Symposium Waves 2001 - San Francisco, CA, United States
Duration: Sep 2 2001Sep 6 2001

Other

OtherProceedings of the Fourth International Symposium Waves 2001
CountryUnited States
CitySan Francisco, CA
Period9/2/019/6/01

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

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