Solution of two-dimensional neutron diffusion equation for triangular region by finite fourier transformation.
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概要
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A two-dimensional neutron diffusion equation for a triangular region is shown to be solved by the finite Fourier transformation. An application of the Fourier transforma-tion to the diffusion equation for triangular region yields equations whose unknowns are the expansion coefficients of the neutron flux and current in Fourier series or Legendre polynomials expansions only at the region boundary. Some numerical calculations have revealed that the present technique gives accurate results. It is shown also that the solution using the expansion in Legendre polynomials converges with relatively few terms even if the solution in Fourier series exhibits the Gibbs' phenomenon.
- 一般社団法人 日本原子力学会の論文
著者
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KOBAYASHI Keisuke
Department of Materials Science and Engineering, Kyoto University
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ISHIBASHI HIDEO
Department of Anatomy, Kurume University School of Medicine
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ISHIBASHI Hideo
Department of Nuclear Engineering, Kyoto University
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