ＭＨＤダイナモ

　地球磁場の成因を解明するために，電磁流体力学的（ＭＨＤ： magnetohydrodynamic）ダイナモの数値計算を行っている． 最初のコードの開発者は，ＯＢの飯島友邦氏． その後，棚橋芳生氏や佐藤淳子氏が受け継いだ． さらにその後，高橋　太氏が「地球シミュレータ」で計算するためのコードを開発した．
論文リスト
  1. Honkura, Y., T. Iijima, and M. Matsushima, Magnetic field reversal resulting from a dynamo process in a spherical shell, J. Geomag. Geoelectr., 44, 901-911, 1992.
  2. Honkura, Y., T. Iijima, M. Matsushima, and Y. Tanahashi, Effects of an inhomogeneous temperature distribution at the CMB on polarity reversals of the Earth's magnetic field, J. Geomag. Geoelectr., 45, 1591-1604, 1993.
  3. Tanahashi, Y., Y. Honkura, and M. Matsushima, On truncation levels in spherical harmonic expansion of magnetic and velocity fields in an MHD dynamo model, in The Earth's Central Part: Its Structure and Dynamics, edited by T. Yukutake, pp. 105-122, TERRAPUB, Tokyo, 1995.
  4. Katayama, J. S., M. Matsushima, and Y. Honkura, Some characteristics of magnetic field behavior in a model of MHD dynamo thermally driven in a rotating spherical shell, Phys. Earth Planet. Inter., 111, 141-159, 1999.
  5. Christensen, U. R., J. Aubert, P. Cardin, E. Dormy, S. Gibbons, G. A. Glatzmaier, E. Grote, Y. Honkura, C. Jones, M. Kono, M. Matsushima, A. Sakuraba, F. Takahashi, A. Tilgner, J. Wicht, and K. Zhang, A numerical dynamo benchmark, Phys. Earth Planet. Inter., 128, 25-34, 2001.
  6. Takahashi, F., J. S. Katayama, M. Matsushima, and Y. Honkura, Effects of boundary layers on magnetic field behavior in an MHD dynamo model, Phys. Earth Planet. Inter., 128, 149-161, 2001.
  7. Takahashi, F., M. Matsushima, and Y. Honkura, Dynamo action and its temporal variation inside tangent cylinder in MHD dynamo simulations, Phys. Earth Planet. Inter., 140, 53-71, 2003.
  8. Takahashi, F. and M. Matsushima, Dynamo action in a rotating spherical shell at high Rayleigh numbers, Phys. Fluids, 17, 076601, 2005.
  9. Takahashi, F., M. Matsushima, and Y. Honkura, Simulations of a quasi-Taylor state geomagnetic field including polarity reversals on the Earth Simulator, Science, 309, 459-461, 2005.
研究紹介
Masaki Matsushima

更新　2005年 8月17日