| 基于VENUS-III国际基准模型的JMCT程序验证 |
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| 引用本文： | 刘雄国,邓力,胡泽华,李瑞,付元光,李刚. 基于VENUS-III国际基准模型的JMCT程序验证[J]. 计算物理, 2016, 33(5): 570-580. DOI: 10.3969/j.issn.1001-246X.2016.05.008 |
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| 作者姓名： | 刘雄国 邓力 胡泽华 李瑞 付元光 李刚 |
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| 作者单位： | 1. 中国工程物理研究院 北京研究生部, 北京 100088;2. 北京应用物理与计算数学研究所, 北京 100088;3. 中物院高性能数值模拟软件中心, 北京 100088 |
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| 基金项目： | 国防科工局核能开发项目(科工技[2012]1523)，科技部863专项(2012AA01A303)，能源局06重大专项(2015ZX06002008) |
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| 摘 要： | 基于自主研制的三维中子-光子耦合输运蒙特卡罗通用程序JMCT（J Monte Carlo Transport Code），采用连续点截面，对国际基准屏蔽VENUS-III模型开展精细建模和中子输运临界及屏蔽计算.临界计算得到系统keff、重要区域的通量及能谱.结果表明，JMCT和MCNP程序的重要区域体通量计数吻合较好，偏差均在1%以内.深穿透屏蔽计算采用外源模式，点探测器计数，JMCT计算值与实验测量值偏差在15%以内，满足屏蔽设计对误差的要求.初步验证了JMCT程序临界及屏蔽计算的可用性.
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| 关 键 词： | 蒙特卡罗 JMCT VENUS-III 临界 深穿透 |
| 收稿时间： | 2016-01-07 |
| 修稿时间： | 2016-03-10 |
Simulation of VENUS-III Benchmark Experiment by JMCT Monte Carlo Code |
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| LIU Xiongguo,DENG Li,HU Zehua,LI Rui,Fu Yuanguang,LI Gang. Simulation of VENUS-III Benchmark Experiment by JMCT Monte Carlo Code[J]. Chinese Journal of Computational Physics, 2016, 33(5): 570-580. DOI: 10.3969/j.issn.1001-246X.2016.05.008 |
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| Authors: | LIU Xiongguo DENG Li HU Zehua LI Rui Fu Yuanguang LI Gang |
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| Affiliation: | 1. Graduate School of China Academy of Engineering Physics, Beijing 100088, China;2. Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;3. CAEP Software Center for High Performance Numerical Simulation, Beijing 100088, China |
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| Abstract: | VENUS-III benchmark was simulated based on 3-D general-purpose Monte Carlo coupled neutron and photon transport code JMCT (J Monte Carlo Transport Code). It includes detailed modeling, criticality calculation and shielding calculation. Firstly, criticality calculation is done, in which keff eigenvalue, fluxes in importance regions and energy spectrums are calculated. Almost same results are achieved by JMCT and MCNP. Warp of keff is about 0.24% the flux warp is less than 1%. Then, deep penetration shielding is simulated, in which fixed source is used. Tally includes fluxes of detectors in different locations. Calculated results agree well with experimental data. The most warps of JMCT and tests are within target accuracy of ±15%. It satisfies requirement of shielding calculation. It shows that JMCT code suits well for criticality and shielding simulation. |
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| Keywords: | Monte Carlo JMCT VENUS-III criticality deep penetration |
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