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Importance Estimation in Forward Monte Carlo Calculations

Thomas E. Booth, John S. Hendricks

Fusion Science and Technology

Volume 5 / Number 1 / January 1984 / Pages 90-100


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A method for estimating the importance function in forward Monte Carlo particle transport calculations is described. The importance function is estimated for every region of phase-space. Although subject to statistical fluctuations, the estimated importance function has proven to be a very valuable tool for selecting variance reduction parameters. Some deep penetration calculations are included to demonstrate applicability.

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