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

页码：161 / 165

页数：5

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