Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides

doi:10.19596/j.cnki.1001-246x.7894

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2019, Vol. 36 ›› Issue (4): 457-464.DOI: 10.19596/j.cnki.1001-246x.7894

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Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides

ZHANG Binhang^1,2, YUAN Xianbao^1,2, ZHANG Yonghong^1,2, TANG Haibo^1,2

1. College of Mechanical & Power Engineering, China Three Gorges University, Yichang Hubei 443002, China;
2. Hubei Key Laboratory of Hydroelectric Machinery Design & Maintenance, China Three Gorges University, Yichang Hubei 443002, China

Received:2018-05-07 Revised:2018-07-04 Online:2019-07-25 Published:2019-07-25

Abstract

Abstract: AMY is a newly-developed code of handling neutron induced transmutation and activation in materials. The code is based on Chebyshev rational approximation method (CRAM) to solve Bateman equations and to deal with complex pattern of chains produced by sequences of neutron reaction processes.Varieties of material activation properties are provided in AMY, including activity, decay heat, biological hazard, dose rate, clearance index and gamma source spectra. In order to verify the code, basic nuclear database in handbook of activation data was selected for comparing with FISPACT-2007. It shows that results of AMY are in good agreement with FISPACT-2007, and calculation efficiency of AMY is slightly higher than FISPACT-2007.

Key words: activation calculation, activation properties, CRAM, handbook of activation data

CLC Number:

TL329.2

ZHANG Binhang, YUAN Xianbao, ZHANG Yonghong, TANG Haibo. Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2019, 36(4): 457-464.

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Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides

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