基于二维特征线方法的模块化六角形几何预处理方法  

Preprocessing on Modular Hexagonal Geometry Based on 2D Method of Characteristics

作　　者：单浩栋 喻宏[1] 徐李[1] 

机构地区：[1]中国原子能科学研究院反应堆工程技术研究部,北京102413

出　　处：《原子能科学技术》2017年第2期193-199,共7页Atomic Energy Science and Technology

基　　金：国家自然科学基金资助项目(91326107)

摘　　要：本文采用模块化特征线跟踪的方法,借鉴矩形几何的处理方式,针对六角形几何开发了几何预处理算法,得到的几何信息为特征线计算提供前端输入。实际编程发现该方法耗时在ms级别,效率很高。同时扩展了对六角形阵列和组件的几何描述,针对该几何预处理方法,研究了对应的边界条件描述方法,为特征线计算程序的编写奠定了基础。Based on modular ray tracing for rectangle geometry in PWRs, the method of preprocessing for hexagonal geometry was researched, and the geometry information was used as input for the method of characteristics calculation. The code based on this method proved its efficiency as it costed only several milliseconds. In the meantime, the description of hexagonal cell array and assembly was provided, and the representations of different boundary conditions were researched as well. All the results have been applied to code the method of characteristics.

关 键 词：特征线方法 模块化特征线跟踪 六角形 边界条件 

分 类 号：TL329[核科学技术—核技术及应用]