American Nuclear Society

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Interface Current Method for Cluster Geometry

G. Marleau, A. Hébert

Nuclear Science and Engineering

Volume 92 / Number 2 / February 1986 / Pages 240-246


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The interface current method is generally used in supercell codes to accelerate computation of the collision probabilities needed for resolution of the integral neutron transport equation. This method was used to compute all the collision probabilities for a cluster geometry. The resulting complete collision probabilities were then compared with those computed using a direct method. The interface current method was much faster than the direct method for computing collision probabilities, with a loss in precision within the limits of error acceptable for reactor design calculations.

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