对流占优扩散方程的一种特征差分算法

作者：秦新强; 马逸尘对流占优扩散方程特征差分算法数值震荡边值问题局部截断误差

摘要：A new kind of characteristic-difference scheme for convection-diffusion equations is constructed by characteristic method and bilinear interpolation method. The convergence of the scheme is proved. The advantages of this scheme are to obtain the solutions of the convection diffusion equations with variable coefficient expediently and to reduce the numerical oscillations of the convectiondominanted diffusion equations effectively.

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