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Showing 1 to 2 of 2 for “"nonlinear diffusion acceleration"”.
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Monte Carlo and thermal hydraulic coupling using low-order nonlinear diffusion acceleration
… as a benchmark tool for other transport and diffusion methods. In this work, we identify and resolve a few of the issues associated with using MC as a reactor design tool. It is widely thought that MC tallies converge at an ideal rate proportional to the inverse of the square root of the …
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Efficient Multiphysics Coupling for Fast Burst Reactors in Slab Geometry
… a tightly coupled multiphysics algorithm of diffusion neutronics and linear. An implicit-explicit (IMEX) algorithm was used to follow the dynamical time-scale of the problem. However, as noted by him and his co-authors, the diffusion model does not adequately represent the neutronics of the …