| 综合核方法求解辐射输运问题的求积组选取 |
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| 引用本文： | 高产,李茂生.综合核方法求解辐射输运问题的求积组选取[J].计算物理,2009,26(5):712-718. |
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| 作者姓名： | 高产 李茂生 |
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| 作者单位： | 1. 中国工程物理研究院核物理与化学研究所, 四川 绵阳 621900;2. 北京应用物理与计算数学研究所, 北京 100088 |
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| 摘 要： | 简要介绍求解辐射输运方程的综合核方法,分析计算误差和收敛性,提出新的求积组和误差修正方法,提高综合核方法的计算精度.通过对基准问题的计算比对表明,采用提出的求积组并通过误差修正,综合核方法在低阶时的结果具有较高的计算精度.
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| 关 键 词： | 综合核方法 辐射输运 求积组 误差分析 |
| 收稿时间： | 2008-03-31 |
| 修稿时间： | 2008-08-27 |
Quadrature Sets in Synthetic Kernel Method for Radiation Transport |
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| GAO Chan,LI Maosheng.Quadrature Sets in Synthetic Kernel Method for Radiation Transport[J].Chinese Journal of Computational Physics,2009,26(5):712-718. |
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| Authors: | GAO Chan LI Maosheng |
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| Institution: | 1. Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621900, China;2. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China |
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| Abstract: | We introduce briefly a synthetic kernel method for radiation transport equation and analyse computational error and convergence.Quadrature sets and error amendment technique are proposed to improve computational accuracy of synthetic kernel method.By using quadrature sets and error amendment technique synthetic kernel method yields accurate results even with low orders. |
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| Keywords: | synthetic kernel approximation radiation transport quadrature sets error amendment |
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