JMCT3.0蒙特卡罗质子及低能光子/电子输运功能开发及检验

谭笑; 邓力; 张玲玉; 李瑞; 付元光; 史敦福; 刘鹏; 杨超

doi:10.11884/HPLPB202436.240117

JMCT3.0蒙特卡罗质子及低能光子/电子输运功能开发及检验

doi: 10.11884/HPLPB202436.240117

谭笑^1,,
邓力^2, ,,
张玲玉³,
李瑞³,
付元光³,
史敦福³,
刘鹏³,
杨超¹

1.
南华大学核科学与技术学院，湖南衡阳 421001
2.
北京应用物理与计算数学研究所，北京 100094
3.
中物院高性能数值模拟软件中心，北京 100088

基金项目: 国家自然科学基金项目（12275030, u23b2067）

详细信息

作者简介:
谭　笑，dbook1030@foxmail.com

通讯作者:
邓　力，deng_li@iapcm.ac.cn。

中图分类号: O571.51
计量
- 文章访问数: 77
- HTML全文浏览量: 31
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2024-04-03
- 修回日期: 2024-07-18
- 录用日期: 2024-07-18
- 网络出版日期: 2024-07-24
- 刊出日期: 2024-08-16

Development and tests of functions of proton, low-energy photon and electron transport in JMCT3.0 Monte Carlo particle transport program

1.
School of Nuclear Science and Technology, University of South China, Henyang 421001, China
2.
Institute of Applied Physics and Computational Mathematics, Beijing 100094, China
3.
CAEP Softwaer Center for High Performance Numerical Simulation, Beijing 100088, China

摘要

摘要: 高分辨率通用型三维多粒子输运蒙特卡罗软件JMCT能够模拟任意复杂几何系统的中子/光子/电子/质子/分子/光辐射/大气输运问题，支持数十万核的多级并行，已广泛用于辐射屏蔽、反应堆临界安全分析、核探测及核医学等领域。JMCT已升级到3.0版本，相比2.0版本，3.0版本新增了13项功能，改进发展了8种算法，通过对低层JCOGIN框架的优化，计算效率提高30%~600%。新功能主要用于图像诊断、闪光照相、光辐射及大气输运的模拟。JMCT3.0开发了质子、低能光子/电子及分子模拟功能，通过基准检验，验证了算法的正确有效性。
- 蒙特卡罗 /
- 质子 /
- 低能光子及电子输运 /
- 闪光照相 /
- JMCT
Abstract: The Monte Carlo code JMCT can simulate neutron/photon/electron/proton/molecule/light radiation/atmosphere transport problems in any complicated geometry system. It supports the multi-level parallelization in scale of over one hundred thousand cores. At present, JMCT has been widely applied in radiation shielding, critical safety analysis of reactor, nuclear detection and nuclear medicine etc. JMCT3.0 is a large-scale, high-fidelity, three-dimensional general multi-particle transport Monte Carlo (MC) program, and thirteen new functions and eight new algorithms have been developed based on JMCT2.0. The computing efficiency is enhanced 30%−600% by optimizing of JCOGIN infrastructure. This paper introduces the methods and new functions of proton, low-energy photon/ electron/molecule transport in JMCT3.0. The validity of algorithms has been proved by benchmarks. The new functions are mainly used for simulations of image diagnosis, flash radiography, light radiation and atmosphere transport.
- Monte Carlo /
- proton /
- low-energy photon and electron transport /
- flash radiography /
- JMCT

HTML全文

图 1 小步栅格示意图

Figure 1. Schematic diagram of small step bars

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图 2 MCNP6-inp030模型

Figure 2. Model of MCNP6-inp030

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图 3 水中电子体通量能谱比较

Figure 3. Comparison of energy spectrum of electron volume flux in water

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图 4 ICSBEP-heu-sol-therm-013模型

Figure 4. Model of ICSBEP-heu-sol-therm-013

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图 5 JMCT与MCNP小球光子体通量能谱比较

Figure 5. Comparison of energy spectrum of photon volume flux between JMCT and MCNP6 for small sphere

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图 6 ICSBEP-heu-met-fast-013模型

Figure 6. Model of ICSBEP-heu-met-fast-013

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图 7 JMCT与MCNP体3、体6光子体通量能谱比较

Figure 7. Comparison of energy spectrum between JMCT and MCNP6 for photon volume fluxes of body 3 and body 6

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表 1 水中光子体通量统计计数

Table 1. Statistical tallies of photon volume flux in water

energy/MeV	Φ_JMCT/cm⁻²	Φ_MCNP6/cm⁻²	relative deviation/%
6.0000E-04	6.99746E-11	6.99799E-11	−0.00757
1.0000E-03	5.20906E-09	5.20904E-09	0.000384
total	5.27903E-09	5.27902E-09	0.000189

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表 2 水中光子体通量能谱统计计数

Table 2. Statistical energy spectrum tallies of photon volume flux in water

energy/MeV	Ф_JMCT/cm⁻²	Ф_MCNP6/cm⁻²	relative deviation/%
9.18182E-05	4.23205E-12	4.23159E-12	0.01087
1.82636E-04	5.80115E-12	5.80077E-12	0.00655
2.73455E-04	6.19310E-12	6.19268E-12	0.00678
3.64273E-04	7.39524E-12	7.39533E-12	−0.00122
4.55091E-04	8.70878E-12	8.70836E-12	0.00482
5.45909E-04	9.99978E-12	1.00000E-11	−0.0022
6.36727E-04	1.13276E-11	1.13266E-11	0.00883
7.27545E-04	1.28006E-11	1.28008E-11	−0.00156
8.18364E-04	1.43628E-11	1.43626E-11	0.00139
9.09182E-04	1.60751E-11	1.60750E-11	0.000622
1.00000E-03	2.26673E-11	2.26676E-11	−0.00132
total	1.19563E-10	1.19561E-10	0.00167

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