Asymptotic solutions of numerical transport problems in optically thick, diffusive regimes. II (Q1825621)
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scientific article; zbMATH DE number 4121383
| Language | Label | Description | Also known as |
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| English | Asymptotic solutions of numerical transport problems in optically thick, diffusive regimes. II |
scientific article; zbMATH DE number 4121383 |
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Asymptotic solutions of numerical transport problems in optically thick, diffusive regimes. II (English)
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1989
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This paper continues the work of an earlier paper of the author, \textit{J. E. Morel}, and \textit{W. F. Miller jun.} [ibid. 69, 283-324 (1987; Zbl 0627.65146)] applying an asymptotic method to numerical approximations for the neutron transport equation in the case of optically thick meshes. Emphasis is placed here on improving performance in the boundary layers of the problem. An LD (linear discontinuous) method inspired from finite- element considerations is derived. Numerical calculations presented support claims for higher reliability of the method.
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diffusion
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radiative transfer
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numerical examples
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asymptotic method
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neutron transport equation
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optically thick meshes
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boundary layers
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(linear discontinuous) method
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finite-element
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