Home / Store / Journals / Electronic Articles / Nuclear Science and Engineering / Volume 154 / Number 3 / Pages 328-352
Hikaru Hiruta, Dmitriy Y. Anistratov
Nuclear Science and Engineering / Volume 154 / Number 3 / Pages 328-352
Format:electronic copy (download)
In this paper, we develop a homogenization methodology for the two-dimensional low-order quasi-diffusion equations for full-core reactor calculations that is based on a family of spatially consistent coarse-mesh discretization methods. The coarse-mesh solution generated by these methods preserves a number of spatial moments of the fine-mesh transport solution over each assembly. The proposed method reproduces accurately the complicated large-scale behavior of the transport solution within assemblies. To demonstrate the performance of the developed methodology, we present the numerical results of several test problems that simulate mixed-oxide-uranium and assembly-reflector interfacial effects.
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