An analytical discrete ordinates nodal solution to the two-dimensional adjoint transport problem
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DOI: 10.1016/j.anucene.2019.106959
Abstract: Abstract A solution to the one-group discrete ordinates approximation of the adjoint to the transport equation in two-dimensional Cartesian geometry is developed in this work. Starting from an integration process over a region (node) of… read more here.
Keywords: analytical discrete; adjoint transport; discrete ordinates; solution ... See more keywords
Calculation of λ modes of the multi-group neutron transport equation using the discrete ordinates and Finite Difference Method
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DOI: 10.1016/j.anucene.2019.107077
Abstract: Abstract The method explained in this paper solves the steady-state of the neutron transport equation for 1D and 2D systems modeled with Cartesian geometry, by using the Discrete Ordinates method S N for the angular… read more here.
Keywords: discretization; method; equation; finite difference ... See more keywords
Solution-dependent predictor-corrector flux mapping algorithm for discrete ordinates calculation on multilevel discontinuous grids
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DOI: 10.1016/j.anucene.2020.108033
Abstract: Abstract The block-based and cell-based discontinuous Cartesian grid techniques have been one effective method to increase the geometric description accuracy for neutronics calculation codes using the discrete ordinates method. The reliability of the transport calculation… read more here.
Keywords: calculation multilevel; flux; discontinuous grids; multilevel discontinuous ... See more keywords
Multicollision source method for discrete ordinates neutron transport calculation
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DOI: 10.1016/j.anucene.2021.108216
Abstract: Abstract Discretization errors like ray effects and numerical diffusion are major shortcomings of SN calculation in shielding problems involving strong anisotropy. Especially in isolated point source shielding problems with cavities and ducts, the angular flux… read more here.
Keywords: calculation; method; multicollision; source ... See more keywords
ARES: A Parallel Discrete Ordinates Transport Code for Radiation Shielding Applications and Reactor Physics Analysis
Sign Up to like & getrecommendations! Published in 2017 at "Science and Technology of Nuclear Installations"
DOI: 10.1155/2017/2596727
Abstract: ARES is a multidimensional parallel discrete ordinates particle transport code with arbitrary order anisotropic scattering. It can be applied to a wide variety of radiation shielding calculations and reactor physics analysis. ARES uses state-of-the-art solution… read more here.
Keywords: code; physics; transport code; discrete ordinates ... See more keywords
Discrete Ordinates Quadratures Based on Linear and Quadratic Discontinuous Finite Elements over Spherical Quadrilaterals
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Science and Engineering"
DOI: 10.13182/nse16-28
Abstract: We present a new family of discrete ordinates (Sn) angular quadratures based on discontinuous finite elements (DFEMs) in angle. The angular domain is divided into spherical quadrilaterals (SQs) on the unit sphere surface. Linear discontinuous… read more here.
Keywords: discrete ordinates; finite elements; angular quadratures; quadratures based ... See more keywords