Applied Mathematics and Mechanics (English Edition) ›› 1998, Vol. 19 ›› Issue (7): 677-686.

• 论文 • 上一篇    下一篇

NUMERICAL ANALYSIS AND CONSTRUCTION OF LIMITER OF HIGH RESOLUTION DIFFERENCE SCHEME

张梦萍, 刘儒勋   

  1. Department of Mathematics, University of Science and Technology of China, Hefei 230026, P.R.China
  • 收稿日期:1997-01-31 出版日期:1998-07-18 发布日期:1998-07-18
  • 通讯作者: Dai Shiqiang, Liu Ciqun

NUMERICAL ANALYSIS AND CONSTRUCTION OF LIMITER OF HIGH RESOLUTION DIFFERENCE SCHEME

Zhang Mengping, Liu Ruxun   

  1. Department of Mathematics, University of Science and Technology of China, Hefei 230026, P.R.China
  • Received:1997-01-31 Online:1998-07-18 Published:1998-07-18

摘要: In the paper, based on the theory of the remainder effects of difference schemes,some typical limiters are analysed and compared. For different limiters, the different strength of numerical dissipation and dispersion of schemes is the reason why theschemes show obvious different characteristics. After analysing and comparing thenumerical dissipation and dispersion of various schemes, a new kind of limiter isproposed. The new scheme has high resolution in sharp discontinuities, and avoids the "distortion" due to the stronger numerical dispersion in the relatively more smooth region. Numerical experiments show that the scheme has good properties.

Abstract: In the paper, based on the theory of the remainder effects of difference schemes,some typical limiters are analysed and compared. For different limiters, the different strength of numerical dissipation and dispersion of schemes is the reason why theschemes show obvious different characteristics. After analysing and comparing thenumerical dissipation and dispersion of various schemes, a new kind of limiter isproposed. The new scheme has high resolution in sharp discontinuities, and avoids the "distortion" due to the stronger numerical dispersion in the relatively more smooth region. Numerical experiments show that the scheme has good properties.

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