基于特征线方法的三维中子输运程序(Ⅱ)——数值验证

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Three Dimension Neutron Transport Characteristics Method Code（Ⅱ）——Numerical Verification

1. Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;
2. National Key Laboratory of Reactor System Design Technology, Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 介绍了开发的三维中子输运特征线方法程序TCM,使用数值实例对TCM的准确性进行了验证,同时比较了不同插值阶数、离散角度数目和网格大小对计算结果的影响。结果表明,三维特征线方法程序TCM能够求解任意几何形状及反射边界条件的中子输运问题,计算结果具有较高的精度。
- 输运方程 /
- 特征线方法 /
- 反射边界条件 /
- 插值 /
- 基准题
Abstract: Three dimensional characteristics method code TCM is introduced and verified in this paper.And the influence of boundary interpolation,quadrature set and mesh size on accuracy of results are given.It is shown that TCM,using interpolation treatment of boundary condition,can calculate the neutron transport problems accurately,of which geometry and reflective boundary are arbitrary.
- Neutron transport equation,Method of characteristics,Reflective boundary condition /
- Interpolation,Benchmark /