计算物理 ›› 2016, Vol. 33 ›› Issue (5): 570-580.

• 研究论文 • 上一篇    下一篇

基于VENUS-III国际基准模型的JMCT程序验证

刘雄国1,2,3, 邓力2,3, 胡泽华2,3, 李瑞2,3, 付元光2,3, 李刚2,3   

  1. 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
  • 收稿日期:2016-01-07 修回日期:2016-03-10 出版日期:2016-09-25 发布日期:2016-09-25
  • 通讯作者: 邓力,E-mail:deng_li@iapcm.ac.cn
  • 作者简介:刘雄国(1991-),男,研究生,研究方向:蒙特卡罗粒子输运方法及应用
  • 基金资助:
    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)资助

Simulation of VENUS-III Benchmark Experiment by JMCT Monte Carlo Code

LIU Xiongguo1,2,3, DENG Li2,3, HU Zehua2,3, LI Rui2,3, Fu Yuanguang2,3, LI Gang2,3   

  1. 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
  • Received:2016-01-07 Revised:2016-03-10 Online:2016-09-25 Published:2016-09-25

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.

关键词: 蒙特卡罗, JMCT, VENUS-III, 临界, 深穿透

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.

Key words: Monte Carlo, JMCT, VENUS-III, criticality, deep penetration

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