Estimation of higher-order eigenvalues from residual of power iteration

Nakase, Masahiko*; Chiba, Go; Saito, Masaki*

Higher-order eigenvalues can be useful indices for reactor core stability. Usually, higher-order eiganvalues are calculated with the subtraction method in which several numerical techniques are necessary. In this present study, we develop a simple method to estimate higher-order eigenvalues from a residual of power iteration. Through numerical calculations with the IAEA benchmark problem, the present method estimates higher-order eigenvalues up to the 5th order quite well.

Language	:	Japanese
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Meeting title	:	日本原子力学会2010年春の年会
Held date	:	2010/03
Location (city)	:	水戸
Location (country)	:	日本
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Registration No. : BB20092510
JAEA Abstracts No. :
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