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Cellular neural network to the spherical harmonics approximation of neutron transport equation inx–ygeometry. Part I: Modeling and verification for time-independent solution

Authors
Journal
Annals of Nuclear Energy
0306-4549
Publisher
Elsevier
Publication Date
Volume
38
Issue
6
Identifiers
DOI: 10.1016/j.anucene.2011.02.012
Keywords
  • Second-Order Neutron Transport Equation
  • Cellular Neural Network
  • Spherical Harmonics Approximation
Disciplines
  • Computer Science
  • Mathematics
  • Musicology

Abstract

Abstract This paper describes a novel method based on using cellular neural networks (CNN) coupled with spherical harmonics method ( P N ) to solve the time-independent neutron transport equation in x– y geometry. To achieve this, an equivalent electrical circuit based on second-order form of neutron transport equation and relevant boundary conditions is obtained using CNN method. We use the CNN model to simulate spatial response of scalar flux distribution in the steady state condition for different order of spherical harmonics approximations. The accuracy, stability, and capabilities of CNN model are examined in 2D Cartesian geometry for fixed source and criticality problems.

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