基于并行技术的人体外照射实时精确剂量评估方法
为了精确评估核辐射环境下人体及器官受照剂量，FDS团队基于中国高精度辐射虚拟人模型Rad-HUMAN发展了体素级人体外照射剂量评估方法。但由于计算量巨大，现有计算流程和计算方法难以满足虚拟仿真对剂量评估实时性的要求。为了解决这一问题，本文借助OpenMP和MPI并行计算技术，发展了基于并行计算的体素级人体外照射剂量评估方法，实现了百万量级体素外照射剂量实时计算。以加速器驱动铅铋冷却反应堆堆顶包容小室内维修作业人体受照剂量评估为例的测试结果表明，该方法满足了体素级剂量实时评估计算的需求，对考虑到器官剂量限制的人体外照射剂量实时精确评估有重要意义。...
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| Published in | 辐射研究与辐射工艺学报 Vol. 32; no. 4; pp. 54 - 59 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国科学院核能安全技术研究所 合肥230031
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-3436 |
| DOI | 10.11889/j.1000-3436.2014.rrj.32.040502 |
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| Abstract | 为了精确评估核辐射环境下人体及器官受照剂量，FDS团队基于中国高精度辐射虚拟人模型Rad-HUMAN发展了体素级人体外照射剂量评估方法。但由于计算量巨大，现有计算流程和计算方法难以满足虚拟仿真对剂量评估实时性的要求。为了解决这一问题，本文借助OpenMP和MPI并行计算技术，发展了基于并行计算的体素级人体外照射剂量评估方法，实现了百万量级体素外照射剂量实时计算。以加速器驱动铅铋冷却反应堆堆顶包容小室内维修作业人体受照剂量评估为例的测试结果表明，该方法满足了体素级剂量实时评估计算的需求，对考虑到器官剂量限制的人体外照射剂量实时精确评估有重要意义。 |
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| AbstractList | TL75+2.2%TL72; 为了精确评估核辐射环境下人体及器官受照剂量,FDS团队基于中国高精度辐射虚拟人模型Rad-HUMAN发展了体素级人体外照射剂量评估方法.但由于计算量巨大,现有计算流程和计算方法难以满足虚拟仿真对剂量评估实时性的要求.为了解决这一问题,本文借助OpenMP和MPI并行计算技术,发展了基于并行计算的体素级人体外照射剂量评估方法,实现了百万量级体素外照射剂量实时计算.以加速器驱动铅铋冷却反应堆堆顶包容小室内维修作业人体受照剂量评估为例的测试结果表明,该方法满足了体素级剂量实时评估计算的需求,对考虑到器官剂量限制的人体外照射剂量实时精确评估有重要意义. 为了精确评估核辐射环境下人体及器官受照剂量，FDS团队基于中国高精度辐射虚拟人模型Rad-HUMAN发展了体素级人体外照射剂量评估方法。但由于计算量巨大，现有计算流程和计算方法难以满足虚拟仿真对剂量评估实时性的要求。为了解决这一问题，本文借助OpenMP和MPI并行计算技术，发展了基于并行计算的体素级人体外照射剂量评估方法，实现了百万量级体素外照射剂量实时计算。以加速器驱动铅铋冷却反应堆堆顶包容小室内维修作业人体受照剂量评估为例的测试结果表明，该方法满足了体素级剂量实时评估计算的需求，对考虑到器官剂量限制的人体外照射剂量实时精确评估有重要意义。 |
| Author | 尚雷明 李廷 何桃 龙鹏程 胡丽琴 吴宜灿 FDS团队 |
| AuthorAffiliation | 中国科学院核能安全技术研究所，合肥230031 |
| AuthorAffiliation_xml | – name: 中国科学院核能安全技术研究所 合肥230031 |
| Author_FL | WU Yican HE Tao LI Ting LONG Pengcheng HU Liqin SHANG Leiming FDS Team |
| Author_FL_xml | – sequence: 1 fullname: SHANG Leiming – sequence: 2 fullname: LI Ting – sequence: 3 fullname: HE Tao – sequence: 4 fullname: LONG Pengcheng – sequence: 5 fullname: HU Liqin – sequence: 6 fullname: WU Yican – sequence: 7 fullname: FDS Team |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.11889/j.1000-3436.2014.rrj.32.040502 |
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| DocumentTitleAlternate | Dose assessment method for real-time external radiation based on parallel technology |
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| Keywords | Rad-HUMAN Parallel computing 体素模型 实时剂量评估 精确剂量评估 Voxel model 并行计算 Real-time dose assessment |
| Language | Chinese |
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| Notes | Based on the accurately whole-body computational phantom of Chinese adult （Rad-HUMAN）, an accuracy external radiation dose assessment method was developed for the purpose of radiation protection. Due to the large amount of calculation, the existing computing method of the method mentioned above cannot meet the real-time requirement of virtual simulation. Based on parallel technology, a voxel model-based parallel external radiation dose assessment method has been developed. The method has been used in the dose assessment of accelerator driven lead-bismuth cooled reactor target＇s replace. The results showed that the proposed method could real-timely assess accurate radiation dose based on voxel model. SHANG Leiming LI Ting HE Tao LONG Pengcheng HU Liqin WU Yican FDS Team （Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei 230031, China） 31-1258/TL Voxel model, Real-time dose assessment, Parallel computing, Rad-HUMAN |
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| PublicationTitle | 辐射研究与辐射工艺学报 |
| PublicationTitleAlternate | Journal of Radiation Research and Radiation Processing |
| PublicationTitle_FL | Journal of Radiation Research and Radiation Processing |
| PublicationYear | 2014 |
| Publisher | 中国科学院核能安全技术研究所 合肥230031 |
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| Snippet | 为了精确评估核辐射环境下人体及器官受照剂量，FDS团队基于中国高精度辐射虚拟人模型Rad-HUMAN发展了体素级人体外照射剂量评估方法。但由于计算量巨大，现有计算流程和计算... TL75+2.2%TL72; 为了精确评估核辐射环境下人体及器官受照剂量,FDS团队基于中国高精度辐射虚拟人模型Rad-HUMAN发展了体素级人体外照射剂量评估方法.但由于计算量巨大,现有... |
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| SubjectTerms | Rad-HUMAN 体素模型 实时剂量评估 并行计算 精确剂量评估 |
| Title | 基于并行技术的人体外照射实时精确剂量评估方法 |
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