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NUMERICAL SIMULATION OF THE XZ TAURI SUPERSONIC ASTROPHYSICAL JET

NUMERICAL SIMULATION OF THE XZ TAURI SUPERSONIC ASTROPHYSICAL JET
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摘要 Computational gas dynamical simulations using the WENO-LF method are applied to modeling the high Mach number astrophysical jet XZ Tauri, including the effects of radiative cooling. Mach 55 simulations of the pulsed proto-jet are presented and analyzed in terms of interacting nonlinear waves： terminal Mach disks, bow shocks, and Meshkov-Richtmyer instabilities of the leading jet contact boundary. Computational gas dynamical simulations using the WENO-LF method are applied to modeling the high Mach number astrophysical jet XZ Tauri, including the effects of radiative cooling. Mach 55 simulations of the pulsed proto-jet are presented and analyzed in terms of interacting nonlinear waves： terminal Mach disks, bow shocks, and Meshkov-Richtmyer instabilities of the leading jet contact boundary.
作者 Carl L. Gardner Steven J. Dwyer
机构地区 School of Mathematical and Statistical Sciences
出处 《Acta Mathematica Scientia》 SCIE CSCD 2009年第6期1677-1683,共7页 数学物理学报（B辑英文版）
关键词 astrophysical jets ENO. method gas dynamics astrophysical jets ENO. method gas dynamics
分类号 P14 [天文地球—天体物理]
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参考文献7

  • 1Ha Y, Gardner C L, Gelb A, Shu C -W. Numerical simulation of high Mach number astrophysical jets with radiative cooling. Journal of Scientific Computing, 2005, 24:29-44.
  • 2Ha Y, Gardner C L. Positive scheme numerical simulation of high Mach number astrophysical jets. Journal of Scientific Computing, 2008, 34:247-259.
  • 3Krist J E, Stapelfeldt K R, Burrows C J, et al. Hubble Space Telescope WFPC2 imaging of XZ Tauri: Time evolution of a Herbig-Haro bow shock. Astrophysical Journal, 1999, 515:L35-L38.
  • 4Krist J E, Stapelfeldt K R, Hester J J, et al. A multi-epoch HST study of the Herbig-Haro flow from XZ Tauri. Astronomical Journal, 2008, 136:1980-1994.
  • 5Schmutzler T, Tscharnuter W M. Effective radiative cooling in optically thin plasmas. Astronomy and Astrophysics, 1993, 273:318 -330.
  • 6Shu C -W. High order ENO and WENO schemes for computational fluid dynamics//High-Order Methods for Computational Physics. Lecture Notes in Computational Science and Engineering Vol 9. New York: Springer-Verlag, 1999:439- 582.
  • 7Hester J J, Stapelfeldt K R, Scowen P A. Hubble space telescope wide field planetary camera 2 observations of HH 1 -2. Astronomical Journal, 1998, 116:372-395.
Acta Mathematica Scientia
2009年 第6期

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