Space-frequency adaptive approximation for quantum hydrodynamic models

被引：2
|
作者：
Bertoluzza, S [1 ]
Pietra, P [1 ]
机构：
[1] CNR, Ist Anal Numer, I-27100 Pavia, Italy
来源：
TRANSPORT THEORY AND STATISTICAL PHYSICS | 2000年 / 29卷 / 3-5期
关键词：
D O I：
10.1080/00411450008205880
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We introduce two space-frequency adaptive strategies for the numerical approximation of the solutions of quantum hydrodynamic models for semiconductors, based respectively on wavelets and wavelet packets. The two strategies are compared on a test case, and wavelet packets perform better in approximating with fewer degrees of freedom the high frequency dispersive oscillations of the solution.
引用
收藏
页码：375 / 395
页数：21
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