| 引用本文: | 王尚武.解稳态二维笛卡尔几何下中子输运方程的离散节块输运方法.[J].国防科技大学学报,1987,(1):19-26.[点击复制] |
| Wang Shangwu.A Discrete Nodal Transport Method Applied to Solve Two-Dimensional Neutron Transport Equation in Cartesian Geometry[J].Journal of National University of Defense Technology,1987,(1):19-26[点击复制] |
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| 解稳态二维笛卡尔几何下中子输运方程的离散节块输运方法 |
| 王尚武 |
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| 摘要: |
| 离散节块输运方法 (DNTM)是用来求解中子输运方程的一种高精度的粗网格输运理论方法。它的主要思想是，利用横向积分过程，将原来的二维方程转化为若干个耦合的一维方程。与传统的离散纵标法 (SN方法)相比，该方法所用空间网格可以粗一个量级以上，而计算结果的精度相当。DNTM对角度变量的处理与SN方法相同。本文介绍了利用平坦泄漏离散节块法数值求解二维笛卡尔几何下中子输运方程的理论和方法。在此基础上，发展了线性泄漏离散节块输运方法。针对这两种情况，分别编制了两个离散节块输运程序，并对几个一维和二维问题的本征值进行了计算，获得了令人满意的结果。 |
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| 投稿日期：1986-04-05 |
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| A Discrete Nodal Transport Method Applied to Solve Two-Dimensional Neutron Transport Equation in Cartesian Geometry |
| Wang Shangwu |
| Abstract: |
| In this paper，the theory and method are described in detail for solving two-dimensional neutron transport equation in cartesian geometry by using Flat Leakage Discrete Nodal Transport Method (FLDNTM). Based on this，a Linear Leakage Discrete Nodal Transport Method (LLDNTM)，more accurate than FLDNTM，is developed. Two computer codes-FLDNTM & LLDNTM，are created and applied to the calculations of one-and two-dimensional test problems，the excellent numerical results are obtained |
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