Recent Advances on the Application of a Spectral Nodal Numerical Method for the Solution of One-Dimensional Neutron Shielding Problems
DOI:
https://doi.org/10.14295/vetor.v31i1.13473Keywords:
Neutrons transport theory, Neutron shielding, Spectral nodal methods, Deterministic computational modelling, Computational neutronicsAbstract
In this work, it is presented the application of a spectral nodal method (coarse-mesh) in the solution of one-dimensional neutron shielding problems, in the discrete ordinates and energy multigroup formulations. This method, named Modifed Spectral Deterministic (MSD), represents a modification of the calculation structure of the neutron angular flux in the sweeping process used in the Spectral Deterministic Method (SDM). The numerical results for 3 model-problems are shown, with different dimensions, number of energy groups and types of boundary conditions in using a computational application developed in the programming language C++.
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