代中子时间法求解点堆中子动力学方程  

Solving point reactor neutron kinetic equations by using generation of neutron time method

作　　者：蔡光明 阮良成 

机构地区：[1]中国核电福建福清核电有限公司,福建福清350318

出　　处：《核科学与工程》2012年第4期301-305,314,共6页Nuclear Science and Engineering

摘　　要：由于点堆中子动力学方程是个刚性方程,因此准确、快速、稳定地求解方程是困难的。得益于现代计算机技术的进步,本文直接采用代中子时间计算法求解点堆中子动力学方程,并用C++语言编制了计算程序。经过基准例题和动态-逆动态对比计算,验证了模型、程序计算的准确性和稳定性,而计算时间也是可接受的。As the point reactor neutron kinetic equations are stiff equations, it is difficult to solve these equations rapidly with a certain accuracy and stability. Due to the progress in modern computer technology, these equations can be solved directly by means of generation of neutron time method. In the meantime, we write a code by C＋ ＋ language to be applied in the calculation. With the kinetic-inverse kinetic contrast calculation, this model and code have been examined and proved to be accurate and stable, and the computing time is also acceptable.

关 键 词：点堆中子动力学 刚性 

分 类 号：TL327[核科学技术—核技术及应用]