摘要
本文根据方程εｙ＂＋Ｐ（ｘ）ｙ＇＋Ｑ（ｙ）＝０的渐近性质，提出了一种重点反映边界层的数值方法，并给出边界层厚度的近似估计式．数值实验的结果表明是有效的．
A numerical method is derived from the asymptotic properties of the equation εy' + p(x)y'+ Q(x)y = 0. Numerical experiments show that the thickness of the boundary tayer can beapproximated by εln .
出处
《武汉水利电力大学学报》
CSCD
1994年第4期473-476,共4页
Engineering Journal of Wuhan University
关键词
奇摄动
渐近数值解法
边界层
singular perturbation
boundary layer
numerical solutions
