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An Extension of the Non-negative Scattering Cross Section Generation Method for a Three Dimensional Geometry with Unstructured Tetrahedral Mesh
- Issue Date
- Aug-2011
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- highly anisotropic; incident beam; non-negative scattering cross sections; priority concept method; three dimensional geometry; DFEM
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.59, no.2, pp.2079 - 2083
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 59
- Number
- 2
- Start Page
- 2079
- End Page
- 2083
- ISSN
- 0374-4884
- Abstract
- In this paper, the priority concept method to generate non-negative scattering cross section is extended to a three-dimensional geometry. The generated non-negative scattering cross sections are tested with an S(N) solver which uses DFEM (Discontinuous Finite Element Method) with unstructured tetrahedral mesh. Two scalar fluxes that are calculated with non-negative scattering cross sections and conventional P(6) Legendre scattering cross sections are compared on an incident; neutron beam problem and the results are shown.
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Related Researcher
- Hong, Ser Gi
- COLLEGE OF ENGINEERING (DEPARTMENT OF NUCLEAR ENGINEERING)