High Efficiency Monte Carlo Sample Method for Super-high Energy Neutrons

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2011, Vol. 28 ›› Issue (3): 323-328.

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High Efficiency Monte Carlo Sample Method for Super-high Energy Neutrons

LI Shu¹, TIAN Dongfeng², DENG Li¹

1. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;
2. China Academy of Engineering Physics, Mianyang 621900, China

Received:2010-04-08 Revised:2010-08-10 Online:2011-05-25 Published:2011-05-25

Abstract

Abstract: An adding weight sample method is developed for neutron transportation in inertial confinement fusion.It aims to increase samples in important zone and decrease samples in non-important zone.Weight of each sample is corrected for keeping calculated results non-bias.Typical model is simulated.It indicates that the method improves effectively neutron samples in fusion zone,while collisions between neutrons increase obviously.Calculation error of super-high energy neutron flux is decreased remarkably.Calculation efficiency of super-high energy neutrons is improved.

Key words: Monte Carlo method, super-high energy neutron, sample method, neutron transportation

CLC Number:

O571.5l

LI Shu, TIAN Dongfeng, DENG Li. High Efficiency Monte Carlo Sample Method for Super-high Energy Neutrons[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2011, 28(3): 323-328.

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High Efficiency Monte Carlo Sample Method for Super-high Energy Neutrons

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