ACCELERATION METHOD FOR NODAL EQUATION OF DIFFUSION EQUATION IN X-Y GEOMETRY DERIVED BY FINITE FOURIER TRANSFORMATION

被引：0

作者：

HIYAMA, N ^{[1
]}

KOBAYASHI, K ^{[1
]}

机构：

[1] KYOTO UNIV,DEPT NUCL ENGN YOSHIDA HON MACHI,SAKYO KU,KYOTO 606,JAPAN

来源：

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY | 1991年 / 28卷 / 01期

关键词：

ACCELERATION METHOD; OPTIMUM ACCELERATION FACTOR; INNER ITERATION; ALTERNATING DIRECTION IMPLICIT METHOD; DIFFUSION EQUATION; NODAL EQUATION; NODAL METHOD; X-Y GEOMETRY; FINITE FOURIER TRANSFORMATION;

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

It was found that the convergence rate of the alternating direction implicit method for the nodal equation for the diffusion equation in x-y geometry derived by the finite Fourier transformation became slow as the absorption cross section decreases. This difficulty was found to be removed by eliminating the leakage term from the equation. An acceleration method and a method to obtain an optimum acceleration factor were developed for the iteration method to solve this equation.

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页码：1 / 13

页数：13

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