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논문 기본 정보

자료유형
학술저널
저자정보
Xiafeng Zhou (Department of Nuclear Engineering and Technology, School of Energy and Power Engineering, Huazhong) Changming Zhong (Department of Nuclear Engineering and Technology, School of Energy and Power Engineering, Huazhong) Fu Li (Tsinghua University, Beijing)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제7호
발행연도
2021.7
수록면
2,084 - 2,094 (11page)
DOI
https://doi.org/10.1016/j.net.2020.12.026

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초록· 키워드

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Delta-form-based methods for solving high order spatial discretization schemes are introduced into thereactor SN transport equation. Due to the nature of the delta-form, the final numerical accuracy onlydepends on the residuals on the right side of the discrete equations and have nothing to do with the partson the left side. Therefore, various high order spatial discretization methods can be easily adopted foronly the transport term on the right side of the discrete equations. Then the simplest step or other robustschemes can be adopted to discretize the increment on the left hand side to ensure the good iterativeconvergence. The delta-form framework makes the sweeping and iterative strategies of various highorder spatial discretization methods be completely the same with those of the traditional SN codes, onlyby adding the residuals into the source terms. In this paper, the flux limiter method and weightedessentially non-oscillatory scheme are used for the verification purpose to only show the advantages ofthe introduction of delta-form-based solving methods and other high order spatial discretizationmethods can be also easily extended to solve the SN transport equations. Numerical solutions indicate thecorrectness and effectiveness of delta-form-based solving method

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