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Time-Dependent One-Dimensional Transport Calculations Using the Streaming Ray Method

W. L. Filippone, B. D. Ganapol

Nuclear Science and Engineering

Volume 83 / Number 3 / March 1983 / Pages 366-373


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The streaming ray technique was developed as a method for solving two-dimensional stationary transport problems. A formulation for applying a similar approach to the solution of one-dimensional time-dependent problems is given. As in the stationary case, use is made of an SN-type grid and a second independent grid comprised of streaming rays. For time-dependent problems, the streaming ray grid enables accurate tracking of wave fronts, while the SN grid provides a mechanism for the calculation of the scattering source. Sample calculations are given, and the results are in excellent agreement with analytical benchmark solutions.

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