Abstract

The extension of the theory of a multigroup finite-element method of solving the neutron transport equation, to include general anisotropy of scattering and an anisotropic spatially-dependent source, is described. The method, based on a variational principle applied to the even-parity transport equation, employs spherical harmonics for the angular basis functions. To illustrate the development in the associated computer code, three test problems, all including energy-dependent anisotropy, are solved, and the results presented in the form of tables and graphs.

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