Journal
JOURNAL OF COMPUTATIONAL PHYSICS
Volume 322, Issue -, Pages 905-919Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcp.2016.02.080
Keywords
Moment models; Minimum entropy; Kershaw closures; Kinetic transport equation
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This paper provides a new class of moment models for linear kinetic equations in slab geometry. These models can be evaluated cheaply while preserving the important realizability property, that is the fact that the underlying closure is non-negative. Several comparisons with the (expensive) state-of-the-art minimum-entropy models are made, showing the similarity in approximation quality of the two classes. (C) 2016 Elsevier Inc. All rights reserved.
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