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RTk/SN Solutions of the Two-Dimensional Multigroup Transport Equations in Hexagonal Geometry

Edmundo del Valle, Ernest H. Mund

Nuclear Science and Engineering / Volume 148 / Number 1 / Pages 172-185

September 2004

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This paper describes an extension to the hexagonal geometry of some weakly discontinuous nodal finite element schemes developed by Hennart and del Valle for the two-dimensional discrete ordinates transport equation in quadrangular geometry. The extension is carried out in a way similar to the extension to the hexagonal geometry of nodal element schemes for the diffusion equation using a composite mapping technique suggested by Hennart, Mund, and del Valle. The combination of the weakly discontinuous nodal transport scheme and the composite mapping is new and is detailed in the main section of the paper. The algorithm efficiency is shown numerically through some benchmark calculations on classical problems widely referred to in the literature.

 
 
 
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