Exponentially fitted shape functions for advection-dominated flow problems in two dimensions

被引：6
|
作者：
Sacco, R [1 ]
机构：
[1] POLITECN MILAN,DIPARTIMENTO MATEMAT,I-20133 MILAN,ITALY
来源：
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 1996年 / 67卷 / 01期
关键词：
exponential fitting approximation; advection-diffusion equations; semiconductor device modelling;
D O I：
10.1016/0377-0427(95)00149-2
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We sketch out the basic properties of three novel exponentially fitted shape functions that generalize to two-dimensional triangular elements the one-dimensional functions used in the well-known Scharfetter-Gummel method. This scheme is widely employed in the finite element approximation of the drift-diffusion equations arising in semiconductor device modelling.
引用
收藏
页码：161 / 165
页数：5
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