高次端点浮动法—解点堆中子动力学方程  

High-Order End Floating Method──for Solving Point Reactor Neutron Kinetics Equations

作　　者：袁红球[1] 胡大璞[1] 

机构地区：[1]清华大学,北京清华大学工程物理系

出　　处：《核动力工程》1995年第2期124-128,共5页Nuclear Power Engineering

摘　　要：本文介绍了解点堆中子动力学方程的高次多项式近似的“端点浮动法”，该方法不但具有克服方程刚性和灵活应用的优点，而且能够推广应用于刚性不显著或消失时的大反应性情况。由于近似多项式次数的提高、截断误差的减少、计算的精度有进一步的提高。The End Floating Method with High-order Polynomial Approximation for solving thePoint Reactor neutron Kinetics Equations is presented. This method has the advantage for overcoming the stiffness of equation with the flexibility in application. Furthermore, this method canbe extented to be applied to the great reactivity condition where the stiffness of equation is notsignificant or dissppeared.Due to the increase of the order of polynomial for approximation,thetruncation error is decreased,and hence the calculating exactness is increased furthermore.

关 键 词：点堆中子 动力学方程 端点浮动法 

分 类 号：O571.5[理学—粒子物理与原子核物理] TL31[理学—物理]