Comparison between COMSOL and RFSP-IST for a 2-D Benchmark ProblemG. Gomes
Atomic Energy of Canada Limited, Mississauga, Ontario, Canada
RFSP-IST (Reactor Fueling Simulation Program) is a computer code used for the full-core neutronics design and analysis of CANDU® reactors. RFSP-IST calculates the static flux and power distributions in the core by solving the neutron diffusion equation in two energy groups.
For validation purposes, results from RFSP-IST are often compared with those from other codes. This paper documents the comparison with the commercial finite element multiphysics software package COMSOL on a two-dimensional benchmark problem.
Normalized bundle powers from RFSP-IST compared favorably with those from COMSOL, with the largest difference being 0.3%.
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