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Solution of the principal spectral problem for a system of multigroup diffusion equations. - MaRDI portal

Solution of the principal spectral problem for a system of multigroup diffusion equations. (Q1608238)

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scientific article; zbMATH DE number 1779274
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Solution of the principal spectral problem for a system of multigroup diffusion equations.
scientific article; zbMATH DE number 1779274

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    Solution of the principal spectral problem for a system of multigroup diffusion equations. (English)
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    12 August 2002
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    In this paper the authors propose two new iterative methods for solving the principal spectral problem for the system of multigroup diffusion equations describing the steady state of a nuclear reactor. The methods are described as implemented in a two-dimensional 26-group model of a BN-800 reactor. Some results illustrating the efficiency of the proposed algorithms and a comparison with the conventional source iteration method are presented.
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    principal spectral problem
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    diffusion equations
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    nuclear reactor
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    neutron distribution
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    iterative methods
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    multigrid
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    solutions
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