12056

Research on GPU-accelerated algorithm in 3D finite difference neutron diffusion calculation method

Qi Xu, Gang-Lin Yu, Kan Wang, Jia-Long Sun
Department of Engineering Physics, Tsinghua University, Beijing 100084, China
Nuclear Science and Techniques, Vol. 25 Issue (1): 010501, 2014

@article{xu2014research,

   title={Research on GPU-accelerated algorithm in 3D finite difference neutron diffusion calculation method},

   author={XU, Qi and YU, Gang-Lin and WANG, Kan and SUN, Jia-Long},

   journal={Nuclear Science and Techniques},

   volume={25},

   pages={010501},

   year={2014}

}

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In this paper, the adaptability of the neutron diffusion numerical algorithm on GPUs was studied, and a GPUaccelerated multi-group 3D neutron diffusion code based on finite difference method was developed. The IAEA 3D PWR benchmark problem was calculated in the numerical test. The results demonstrate both high efficiency and adequate accuracy of the GPU implementation for neutron diffusion equation.
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