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Recent validation study of a Method of Characteristics based Neutron Transport Code

机译：最近的验证方法的研究基于特征的中子输运的代码

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摘要

We have reported the development of a computer code based on Method of Characteristics (MOC) to solve neutron transport equation for mainly lattice (i.e. assembly) level calculations with reflective and periodic boundary conditions and to some extent, core level calculation with vacuum boundary condition. Performance of the code has also been demonstrated with flat and linear source assumptions. In a subsequent work, we have implemented Krylov subspace iteration method for accelerating the MOC solution and in that context, introduced the concept of a matrix-free approach for using the code in solving large problems in effective manner. The acceleration technique is then used in combination with both kind of source assumptions, mentioned above, to solve a number of benchmark problems and demonstrate the capability and validity of the code. In continuation of the study, few more benchmark problems are selected from the literature to verify the performance of the code and their results are reported in the present paper.
机译：我们报道一个计算机的发展代码基于特征(商务部)的方法为主要求解中子输运方程计算与晶格(组装)水平反射和周期性边界条件在某种程度上,核心级计算真空边界条件。代码与平也得到了证实线性源的假设。我们实现了维子空间迭代加速商务部的解决方案和方法这种背景下,引入的概念matrix-free方法使用的代码以有效的方式解决大问题。然后使用加速技术结合两种来源的假设,上面所提到的,为了解决大量的基准问题和展示能力和代码的有效性。研究中,更多的基准选择问题从文学到验证的性能和他们的研究结果发表在的代码本文。

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