Preliminary study on CAD-based method of characteristics for neutron transport calculation

被引：1
|
作者：
Chen Zhen-Ping [1 ,2 ]
Zheng Hua-Qing [2 ]
Sun Guang-Yao [1 ,2 ]
Song Jing [1 ,2 ]
Hao Li-Juan [2 ]
Hu Li-Qin [1 ,2 ]
Wu Yi-Can [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Hefei 230027, Peoples R China
[2] Chinese Acad Sci, Inst Nucl Energy Safety Technol, Hefei 230031, Peoples R China
来源：
CHINESE PHYSICS C | 2014年 / 38卷 / 05期
基金：
中国国家自然科学基金;
关键词：
method of characteristics; neutron transport calculation; CAD; geometry modeling; CODE;
D O I：
10.1088/1674-1137/38/5/058201
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Our new method makes use of a CAD-based automatic modeling tool, MCAM, for geometry modeling and ray tracing of particle transport in method of characteristics (MOC). It was found that it could considerably enhance the capability of MOC to deal with more complicated models for neutron transport calculation. In our study, the diamond-difference scheme was applied to MOC to reduce the spatial discretization errors of the flat flux approximation. Based on MCAM and MOC, a new 2D MOC code was developed and integrated into the SuperMC system, which is a Super Multi-function Computational system for neutronics and radiation simulation. The numerical results demonstrated the feasibility and effectiveness of the new method for neutron transport calculation in MOC.
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页数：7
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