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A Linear Discontinuous Galerkin Approximation for the Continuous Slowing Down Operator

Maximo S. Lazo, J. E. Morel

Nuclear Science and Engineering

Volume 92 / Number 1 / January 1986 / Pages 98-109


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A linear discontinuous Galerkin treatment is developed for the continuous slowing down operator. Multigroup Legendre coefficients are derived that allow this treatment to be implemented in standard Sn codes, A synthetic acceleration scheme is developed to accelerate the outer iterations required by this treatment. A computational comparison between the diamond difference treatment and the linear discontinuous treatment is given.

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