Wavelet analyses using parallel computing for plasma turbulence studies

A. Fujisawa, A. Shimizu, K. Itoh, Y. Nagashima, T. Yamada, S. Inagaki, K. Matsuoka, S. I. Itoh

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

The wavelet analyses have been carried out, using a cluster of personal computer, on the signal of electric field fluctuations measured with heavy ion beam probes in the compact helical system stellarator. The results have revealed the intermittent characteristics of turbulence and of the nonlinear couplings between elemental waves of turbulence. The usage of parallel computing is found to successfully reduce the calculation time as inversely proportional to the CPU number used the cluster, which shows the nature of "embarrassingly parallel computation." The present example of the wavelet analyses clearly demonstrates the importance of the advanced analyzing methods and the parallel computation for the modern studies of plasma turbulence.

本文言語英語
論文番号104503
ジャーナルPhysics of Plasmas
17
10
DOI
出版ステータス出版済み - 10 2010

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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