光子沉积能广泛地应用于放射医疗和辐射防护领域.MCNP程序中*F8功能统计的是进出网格的光子与电子能量差.*F8只能采用真实网格,计算效率较低.由于光子的能量沉积都是通过次级电子来完成的,对光子能量沉积的计算可转换为次级电子能量沉积的计算.文中据此给出了一种新的光子能量沉积统计方法,该方法只统计次级电子能量沉积,且可以采用虚拟网格计数.新方法若采用真实网格,计算精度与效率与*F8完全一样;若采用虚拟网格,新方法计算精度略低,但几何建模简单,计算效率较高.
参考文献
| [1] | Lin Hui,Wu Yican,Chen Yixue.Nuclear Physics Review,2006,23(2):237(in Chinese).(林辉,吴宜灿,陈义学.原子核物理评论,2006,23 (2):237.) |
| [2] | Zhao Pan,Chen Yixue,Lin Hui,et al.Nuclear Physics Review,2006,23(2):258(in Chinese).(赵攀,陈义学,林辉,等.原子核物理评论,2006,23(2):258.) |
| [3] | Lin Hui,Chen Dongying,Wu Dongsheng.Nuclear Physics Review,2008,25(2):154 (in Chinese).(林辉,陈冬颖,吴东升,等.原子核物理评论,2008,25(2):154.) |
| [4] | Lin Hui,Xu Liangfeng,Xu Yuanying,et al.Nuclear Physics Review,2007,24(4):299(in Chinese).(林辉,许良凤,徐元英,等.原子核物理评论,2007,24(4):299.) |
| [5] | Wang Tongquan,Wei Xiaodong,Li Hongjie,et al.Atomic Energy Science and Technology,2007,41(4):399 (in Chinese).(王同权,魏晓东,李宏杰,等.原子能科学技术,2007,41(4):399.) |
| [6] | Zhao Guomin,Zhang Ruoqi,Tang Wenhui.Explosion and Shock Waves,1996,16(3):259(in Chinese).(赵国民,张若棋,汤文辉.爆炸与冲击,1996,160):259.) |
| [7] | She Jinhu,Tang Wenhui.Atomic Energy Science and Technology,2009,43(9):839(in Chinese).(佘金虎,汤文辉.原子能科学技术,2009,43(9):839.) |
| [8] | Briesmeister J F(Editor).MCNP-A General Monte Carlo Code for N-Particle Transport Code,User' s Manual LA12625-M.Los Alamos;Los Alamos National Laboratory,2000. |
| [9] | Lu Xiting.Nuclear Physics.Beijing:Atomic Energy Press,2000,63一68(in Chinese).(卢希庭.主编.原子核物理.北京:原子能出版,2000,63-68.) |
| [10] | Du Shuhua.The Computer Simulation of Transport Problem.Changsha:Hunan Science and Technology Press,1988,648-662(in Chinese).(杜书华,编著.输运问题的计算机模拟.长沙:湖南科学技术出版社,1988,648-662.) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%