Variational acceleration for subspace iteration method. Application to nuclear power reactors

被引：0
|
作者：
Vidal, V
Verdu, G
Ginestar, D
Munoz-Cobo, JL
机构：
[1] Univ Politecn Valencia, Dept Ingn Quim & Nucl, E-46071 Valencia, Spain
[2] Univ Politecn Valencia, Dept Sistemas Informat & Computac, E-46071 Valencia, Spain
[3] Univ Politecn Valencia, Dept Matemat Aplicada, E-46071 Valencia, Spain
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 1998年 / 41卷 / 03期
关键词：
subspace iteration; variational acceleration; lambda modes;
D O I：
10.1002/(SICI)1097-0207(19980215)41:3<391::AID-NME289>3.3.CO;2-A
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Subspace Iteration Method is a popular approach to obtain the dominant eigenvalues and their corresponding eigenvectors of a given matrix. We have applied this method, making use of two Rayleigh-Ritz projections, to obtain the dominant Lambda Modes of a nuclear power reactor. Also, we have developed a variational acceleration technique for this method, and we have stated that this variational acceleration is very convenient, mainly, when the required number of eigenvalues is low. (C) 1998 John Wiley & Sons, Ltd.
引用
收藏
页码：391 / 407
页数：17
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