Radiative transfer with finite differences and finite elements

被引：2
|
作者：
Wehrse, R. [1 ]
机构：
[1] ZAH, Inst Theoret Astrophys, D-69120 Heidelberg, Germany
来源：
PERSPECTIVES IN RADIATIVE TRANSFER AND INTERFEROMETRY | 2008年 / 28卷
关键词：
D O I：
10.1051/eas:0828018
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Finite Difference and Finite Element algorithms for the solution of the radiative transfer equation as required for the modeling of modern high quality observations are briefly described and discussed. It is emphasized that in the Finite Element approach there is the possibility to obtain an a-posteriori error estimator, which allows to locally refine the grid and in this way to obtain numerical solutions that do not differ from the (unknown) analytical solutions by more than a prescribed tolerance.
引用
收藏
页码：129 / 134
页数：6
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