Development of repeat geometry function in reactor Monte Carlo code RMC
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摘要: 介绍了反应堆物理蒙特卡罗程序几何重复结构功能；以MCNP和反应堆用蒙特卡罗模拟程序RMC为例介绍了常见的重复结构输入及实现方式；简要介绍了三种用于几何层级、重复结构计算的加速功能；以大亚湾反应堆组件和全堆芯为例,比较了RMC和MCNP的计算时间，结果显示RMC相对于MCNP获得了3~9倍的加速效果。Abstract: This paper describes repeat geometry structure function and its application to reactor analysis Monte Carlo codes. Common repeat structure output and implementation is introduced using MCNP and RMC (RMC is a reactor Monte Carlo code developed by REAL team in Department of Engineering Physics, Tsinghua University) as examples, and three speed-up methods for layer geometry structure and repeat geometry structure in RMC are presented. Examples of the Daya Bay reactor are calculated for comparison between MCNP and RMC, and results show that RMC speeds up by 3-9 times, compared with MCNP.
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Key words:
- RMC /
- complex geometry /
- repeat structure /
- Monte Carlo
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